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C. Dunaigre 4.79 Carat Paraiba Tourmaline & Diamond Ring
C. Dunaigre 4.79 Carat Paraiba Tourmaline & Diamond Ring

C. Dunaigre 4.79 Carat Paraiba Tourmaline & Diamond Ring

Located in Chicago, IL

C. Dunaigre 4.79 Carat Paraiba Tourmaline & Diamond Ring This breathtaking ring showcases a C.

Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Sapphire, Tourmaline, Paraiba, Platinum

C. Dunaigre-Certified 7 Carat Vivid Green Emerald Ring
C. Dunaigre-Certified 7 Carat Vivid Green Emerald Ring

C. Dunaigre-Certified 7 Carat Vivid Green Emerald Ring

Located in Chicago, IL

C. Dunaigre-Certified 7 Carat Vivid Green Emerald Ring in Platinum with Trapezoid Diamonds This exceptional 7.00 carat natural emerald is certified by C.

Category

2010s American Contemporary Three-Stone Rings

Materials

Diamond, Emerald, Platinum

C. Dunaigre Certified 11.17 Carat Vivid Green Colombian Emerald Ring
C. Dunaigre Certified 11.17 Carat Vivid Green Colombian Emerald Ring

C. Dunaigre Certified 11.17 Carat Vivid Green Colombian Emerald Ring

By Antinori Fine Jewels

Located in Chicago, IL

C. Dunaigre Certified 11.17 Carat Vivid Green Colombian Emerald & Diamond Ring – Minor Oil – 18K Yellow Gold & Platinum Presenting an extraordinary jewel that represents the pinnacl...

Category

2010s American Contemporary Solitaire Rings

Materials

Diamond, Emerald, Gold, 18k Gold, Platinum

7.00 Carat Vivid Green No Oil Emerald Ring – C. Dunaigre Certified
7.00 Carat Vivid Green No Oil Emerald Ring – C. Dunaigre Certified

7.00 Carat Vivid Green No Oil Emerald Ring – C. Dunaigre Certified

By Antinori Fine Jewels

Located in Chicago, IL

7.00 Carat Vivid Green No Oil Emerald Ring – C. Dunaigre Certified An extraordinary investment-grade emerald, weighing 7.00 carats, with no oil and no treatment of any kind, certifi...

Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Emerald, Platinum, 18k Gold, Yellow Gold

Exceptional C. Dunaigre-Certified 9.06 Carat Ceylon Vivid Blue Sapphire Pendant
Exceptional C. Dunaigre-Certified 9.06 Carat Ceylon Vivid Blue Sapphire Pendant

Exceptional C. Dunaigre-Certified 9.06 Carat Ceylon Vivid Blue Sapphire Pendant

Located in Chicago, IL

Exceptional C. Dunaigre-Certified 9.06 Carat Ceylon Vivid Blue Sapphire Pendant An exquisite showcase of elegance and rarity, this captivating pendant features a C.

Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, Sapphire, Blue Sapphire, 18k Gold, Yellow Gold

3.34ct Ruby Red Ruby Ring — GRS & C. Dunaigre Certified
3.34ct Ruby Red Ruby Ring — GRS & C. Dunaigre Certified

3.34ct Ruby Red Ruby Ring — GRS & C. Dunaigre Certified

Located in Ramat Gan, IL

Specifications Center Stone: 3.34 Carat Natural Ruby Color: Ruby Red Treatment: Unheated & Untreated Certifications: GRS & C. Dunaigre Metal: 950 Platinum Accent Diamonds: A...

Category

21st Century and Contemporary American Modern Fashion Rings

Materials

Ruby, Platinum

C. Dunaigre 5 Ct. Colombian Green Emerald Diamond Platinum Ring
C. Dunaigre 5 Ct. Colombian Green Emerald Diamond Platinum Ring

C. Dunaigre 5 Ct. Colombian Green Emerald Diamond Platinum Ring

Located in Chicago, IL

Centering a cushion-shaped emerald, flanked by two trapezoids shaped diamonds and a pave of round brilliant cut diamonds emerald weighing 6.15 carats Size 6 Platinum Accompanied by ...

Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Emerald, Platinum

C. Dunaigre Certified 4.52 Carat Colombian Emerald Platinum Ring
C. Dunaigre Certified 4.52 Carat Colombian Emerald Platinum Ring

C. Dunaigre Certified 4.52 Carat Colombian Emerald Platinum Ring

By Antinori Fine Jewels

Located in Chicago, IL

C. Dunaigre Certified 4.52 Carat Colombian Emerald Platinum Ring with Trillion Diamonds Description: A spectacular platinum ring showcasing a vivid green Colombian emerald weighing ...

Category

2010s Italian Modern Solitaire Rings

Materials

Diamond, Emerald, Platinum

C.Dunaigre Certified 6.84 Carat UNTREATED MUZO COLOMBIAN Emerald Ring
C.Dunaigre Certified 6.84 Carat UNTREATED MUZO COLOMBIAN Emerald Ring

C.Dunaigre Certified 6.84 Carat UNTREATED MUZO COLOMBIAN Emerald Ring

Located in Chicago, IL

Captivating Muzo Green Emerald Ring – C. Dunaigre Certified, Untreated 6.84 Carats An extraordinary treasure of nature, this vibrant 6.84 carat round emerald—certified by C.

Category

2010s American Contemporary Solitaire Rings

Materials

Diamond, White Diamond, Emerald, Platinum

C. Dunaigre 4 Carat Colombian Emerald Octagon and White Diamond Ring
C. Dunaigre 4 Carat Colombian Emerald Octagon and White Diamond Ring

C. Dunaigre 4 Carat Colombian Emerald Octagon and White Diamond Ring

Located in Los Angeles, CA

Gorgeous 4.34 ct. C. Dunaigre certified Colombian emerald emerald cut with good quality, white, and bright diamond trapezoids, baguettes, and rounds.

Category

21st Century and Contemporary Cocktail Rings

Materials

White Diamond, Emerald, 18k Gold

C. Dunaigre Certified 8.89 Carat Muzo Emerald Diamond Platinum Ring
C. Dunaigre Certified 8.89 Carat Muzo Emerald Diamond Platinum Ring

C. Dunaigre Certified 8.89 Carat Muzo Emerald Diamond Platinum Ring

Located in Chicago, IL

Indulge in timeless elegance with this breathtaking ring, featuring a substantial 8.89-carat emerald cut emerald certified by C. Dunaigre. Sourced from the legendary mines of Muzo—re...

Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Emerald, Platinum

C. Dunaigre 8-carat untreated Paraiba tourmaline pendant
C. Dunaigre 8-carat untreated Paraiba tourmaline pendant

C. Dunaigre 8-carat untreated Paraiba tourmaline pendant

Located in Chicago, IL

C. Dunaigre 8-carat untreated Paraiba tourmaline pendant, elegantly set in a platinum chain.

Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, Tourmaline, Paraiba, Platinum

C. Dunaigre 17.29 Ct. Paraiba Tourmaline Diamond Ring
C. Dunaigre 17.29 Ct. Paraiba Tourmaline Diamond Ring

C. Dunaigre 17.29 Ct. Paraiba Tourmaline Diamond Ring

Located in Chicago, IL

C. Dunaigre 17.29 Carat Paraiba Tourmaline Diamond Ring, a stunning showcase of luxury and artistry.

Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Tourmaline, Paraiba, Platinum

C. Dunaigre Certified 13.91 Carat Total Colombian Emerald and Diamond Earrings
C. Dunaigre Certified 13.91 Carat Total Colombian Emerald and Diamond Earrings

C. Dunaigre Certified 13.91 Carat Total Colombian Emerald and Diamond Earrings

Located in Chicago, IL

C. Dunaigre Certified 13.91 Carat Total Colombian Emerald and Diamond Earrings in Platinum A magnificent pair of earrings featuring two vivid green Colombian emeralds, certified by C.

Category

2010s American Art Deco Clip-on Earrings

Materials

Diamond, White Diamond, Emerald, Gold, 18k Gold, Yellow Gold

C. Dunaigre 13 Carat Heart Shape Minor Oil Emerald Diamond Pendant Necklace
C. Dunaigre 13 Carat Heart Shape Minor Oil Emerald Diamond Pendant Necklace

C. Dunaigre 13 Carat Heart Shape Minor Oil Emerald Diamond Pendant Necklace

By Tiffany & Co.

Located in Chicago, IL

An exquisite 13 carat heart shape emerald certified by C.Dunaigre as minor oil set in a bezel necklace with a halo of round brilliant cut diamonds.

Category

2010s American Pendant Necklaces

Materials

Diamond, White Diamond, Emerald, Platinum

C. Dunaigre Heart Shape Blue Sapphire and Diamond Halo Pendant Necklace
C. Dunaigre Heart Shape Blue Sapphire and Diamond Halo Pendant Necklace

C. Dunaigre Heart Shape Blue Sapphire and Diamond Halo Pendant Necklace

Located in New York, NY

Blue Sapphire weighs 2.77 carats and is certified by C.Dunaigre as vivid blue color, Sri Lanka origin.

Category

21st Century and Contemporary American Contemporary Pendant Necklaces

Materials

Diamond, Blue Sapphire, Platinum

C. DUNAIGRE Oval Sapphire Diamond Halo Cocktail Ring 6.85 Carats Platinum
C. DUNAIGRE Oval Sapphire Diamond Halo Cocktail Ring 6.85 Carats Platinum

C. DUNAIGRE Oval Sapphire Diamond Halo Cocktail Ring 6.85 Carats Platinum

By Harbor Diamonds

Located in New York, NY

Set in Platinum this exquisite ring showcases a stunning 6.50 carat oval-cut deep blue sapphire, certified by renowned gemological laboratory C. Dunaigre, ensuring its authenticity a...

Category

2010s Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Platinum

5.06 Carat Oval Blue Sapphire and Diamond Engagement Ring C.Dunaigre Certified.
5.06 Carat Oval Blue Sapphire and Diamond Engagement Ring C.Dunaigre Certified.

5.06 Carat Oval Blue Sapphire and Diamond Engagement Ring C.Dunaigre Certified.

By MOGULDIAM INC

Located in New York, NY

C. Dunaigre certified Gorgeous Blue Sapphire and Diamond engagement ring handcrafted in 18k white gold.

Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Blue Sapphire, White Gold

C. Dunaigre Certified 6.84 Carat Colombian Emerald Diamond Ring
C. Dunaigre Certified 6.84 Carat Colombian Emerald Diamond Ring

C. Dunaigre Certified 6.84 Carat Colombian Emerald Diamond Ring

By Antinori Fine Jewels

Located in Chicago, IL

Exquisite 22-Carat Zambian Emerald and Diamond Ring – AGL Certified This breathtaking ring showcases a spectacular 6.84-carat Colombian emerald of vivid, rich green color, C. Dunaig...

Category

2010s American Contemporary Solitaire Rings

Materials

Diamond, Emerald, Gold, 18k Gold, White Gold

C. Dunaigre Certified 2.11 Carat Pink Heart Sapphire White Gold Necklace
C. Dunaigre Certified 2.11 Carat Pink Heart Sapphire White Gold Necklace

C. Dunaigre Certified 2.11 Carat Pink Heart Sapphire White Gold Necklace

By Antinori Fine Jewels

Located in Chicago, IL

Accompanied by a gemological report from C. Dunaigre. Expertly crafted in White Gold, this necklace pairs a timeless silhouette with the rich colour of a fine natural sapphire, makin...

Category

2010s Pendant Necklaces

Materials

Pink Sapphire, Sapphire, White Gold

Spectra Fine Jewelry C. Dunaigre Certified Colombian Emerald Drop Earrings
Spectra Fine Jewelry C. Dunaigre Certified Colombian Emerald Drop Earrings

Spectra Fine Jewelry C. Dunaigre Certified Colombian Emerald Drop Earrings

By Spectra Fine Jewelry

Located in New York, NY

The top of the earrings are adorned with two cushion-shaped emeralds, while the bottom boasts two pear-shaped emeralds, all certified by the esteemed C. Dunaigre laboratory as Colomb...

Category

21st Century and Contemporary American Contemporary Drop Earrings

Materials

Emerald, 18k Gold, Yellow Gold

GRS & C.Dunaigre Certified 38.16 CT Vivid Green Zambian Emerald Dangle Earrings
GRS & C.Dunaigre Certified 38.16 CT Vivid Green Zambian Emerald Dangle Earrings

GRS & C.Dunaigre Certified 38.16 CT Vivid Green Zambian Emerald Dangle Earrings

Located in Chicago, IL

They elegantly suspend from two round-cut Zambian emeralds totaling 5.21 carats (C. Dunaigre Certified). Every stone radiates a deep, mesmerizing color with only minor clarity enhanc...

Category

2010s North American Contemporary Dangle Earrings

Materials

Emerald, 18k Gold

C. DUNAIGRE Certified 12.72 Carat Vivid blue Octagonal/step cut Sapphire Ring
C. DUNAIGRE Certified 12.72 Carat Vivid blue Octagonal/step cut Sapphire Ring

C. DUNAIGRE Certified 12.72 Carat Vivid blue Octagonal/step cut Sapphire Ring

Located in Chicago, IL

Accompanied by a gemological report from C. DUNAIGRE. Expertly crafted in Platinum, this ring pairs a timeless silhouette with the rich colour of a fine natural sapphire, making it a...

Category

2010s North American Contemporary Three-Stone Rings

Materials

Blue Sapphire, Sapphire, Platinum

Spectra Fine Jewelry C.Dunaigre Certified Ceylon Sapphire Diamond Bracelet
Spectra Fine Jewelry C.Dunaigre Certified Ceylon Sapphire Diamond Bracelet

Spectra Fine Jewelry C.Dunaigre Certified Ceylon Sapphire Diamond Bracelet

By Spectra Fine Jewelry

Located in New York, NY

Five of the seven gemstones are accompanied by four reports from C. Dunaigre stating that they are natural corundum sapphires of vivid blue (Royal blue) color and of Sri Lanka (Ceylo...

Category

21st Century and Contemporary American Contemporary More Bracelets

Materials

Diamond, Sapphire, Platinum

C. Dunaigre Certified 6.74 Carat Vivid green Oval/mod. cut Emerald Ring
C. Dunaigre Certified 6.74 Carat Vivid green Oval/mod. cut Emerald Ring

C. Dunaigre Certified 6.74 Carat Vivid green Oval/mod. cut Emerald Ring

Located in Chicago, IL

Accompanied by a gemological report from C. Dunaigre. Expertly crafted in White Gold, this ring pairs a timeless silhouette with the rich colour of a fine natural emerald, making it ...

Category

2010s Three-Stone Rings

Materials

Emerald, White Gold

40.08 Carat Unheated Burma Ruby Diamond Pendant Necklace C. Dunaigre Certified
40.08 Carat Unheated Burma Ruby Diamond Pendant Necklace C. Dunaigre Certified

40.08 Carat Unheated Burma Ruby Diamond Pendant Necklace C. Dunaigre Certified

By Antinori Fine Jewels

Located in Chicago, IL

An exceptional high jewelry necklace centered by a remarkable 40.08 carat natural Burmese ruby, accompanied by a C. Dunaigre gemstone report confirming its Burma (Myanmar) origin and...

Category

2010s Pendant Necklaces

Materials

Ruby, Diamond, White Gold

C. DUNAIGRE Certified 4.12 Carat Blue Cushion-shape/mixed cut Sapphire Ring
C. DUNAIGRE Certified 4.12 Carat Blue Cushion-shape/mixed cut Sapphire Ring

C. DUNAIGRE Certified 4.12 Carat Blue Cushion-shape/mixed cut Sapphire Ring

By Antinori Fine Jewels

Located in Chicago, IL

Accompanied by a gemological report from C. DUNAIGRE. Expertly crafted in White Gold, this ring pairs a timeless silhouette with the rich colour of a fine natural sapphire, making it...

Category

2010s Three-Stone Rings

Materials

Blue Sapphire, Sapphire, White Gold

Mozambique NO HEAT “Pigeon Blood” Ruby & Diamond Drop Earrings With C. Dunaigre
Mozambique NO HEAT “Pigeon Blood” Ruby & Diamond Drop Earrings With C. Dunaigre

Mozambique NO HEAT “Pigeon Blood” Ruby & Diamond Drop Earrings With C. Dunaigre

Located in Chicago, IL

A masterpiece of color and craftsmanship, these exceptional drop earrings showcase a perfectly matched pair of vivid red Mozambique rubies, each certified by C. Dunaigre Switzerland ...

Category

2010s American Dangle Earrings

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

C.Dunaigre Certified Brazilian Emerald and 38 Ct Diamond 3 Piece Set in Platinum
C.Dunaigre Certified Brazilian Emerald and 38 Ct Diamond 3 Piece Set in Platinum

C.Dunaigre Certified Brazilian Emerald and 38 Ct Diamond 3 Piece Set in Platinum

Located in New York, NY

This set includes the original C. Dunaigre certificate confirming authenticity and gemological details, making it an extraordinary acquisition for collectors seeking rarity, craftsma...

Category

21st Century and Contemporary Indian Art Deco Link Necklaces

Materials

Diamond, White Diamond, Emerald, Green Beryl, Platinum

C.Dunaigre 11 Carat Colombian Minor Oil Heart Cut Emerald Diamond Platinum Ring
C.Dunaigre 11 Carat Colombian Minor Oil Heart Cut Emerald Diamond Platinum Ring

C.Dunaigre 11 Carat Colombian Minor Oil Heart Cut Emerald Diamond Platinum Ring

Located in Chicago, IL

Indulge in timeless elegance with this breathtaking ring, featuring a substantial 11-carat heart-cut emerald, certified by C.Dunaigre. Sourced from the legendary mines of Muzo Colomb...

Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Emerald, Platinum

C.Dunaigre Certified 5.81 Carat Brazilian Green Emerald Diamonds Engagement Ring
C.Dunaigre Certified 5.81 Carat Brazilian Green Emerald Diamonds Engagement Ring

C.Dunaigre Certified 5.81 Carat Brazilian Green Emerald Diamonds Engagement Ring

By SCALA GIOIELLI

Located in Marcianise, IT

A stunning and rare engagement ring showcasing a 5.81 carat oval brilliant cut green emerald, 12 round brilliant diamonds accent the center stone that continues on to the shank.Diamo...

Category

21st Century and Contemporary Italian Artisan Engagement Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

C. Dunaigre 4.61 Carat Paraiba Tourmaline Diamond Trillion Pendant Necklace
C. Dunaigre 4.61 Carat Paraiba Tourmaline Diamond Trillion Pendant Necklace

C. Dunaigre 4.61 Carat Paraiba Tourmaline Diamond Trillion Pendant Necklace

By Antinori Fine Jewels

Located in Chicago, IL

The center stone measures approximately 11.34 x 11.78 x 6.17 mm and is certified by C. Dunaigre Switzerland, confirming its identification as natural Paraiba tourmaline (natural elba...

Category

2010s American Pendant Necklaces

Materials

Diamond, White Diamond, Tourmaline, Paraiba, Platinum

C. Dunaigre 4.96 Carat Colombian Emerald and Diamond Cluster Ring
C. Dunaigre 4.96 Carat Colombian Emerald and Diamond Cluster Ring

C. Dunaigre 4.96 Carat Colombian Emerald and Diamond Cluster Ring

By Antinori Fine Jewels

Located in Chicago, IL

An exceptional emerald and diamond ring centered by a 4.96 carat natural Colombian emerald, accompanied by a C. Dunaigre Switzerland Gemstone Report (No. CDC 2307429).

Category

2010s Italian Contemporary Cocktail Rings

Materials

Diamond, Emerald, Platinum

C.Dunaigre Certified 8.89 Carat Vivid Green Colombian Emerald Diamond Ring
C.Dunaigre Certified 8.89 Carat Vivid Green Colombian Emerald Diamond Ring

C.Dunaigre Certified 8.89 Carat Vivid Green Colombian Emerald Diamond Ring

By Antinori Fine Jewels

Located in Chicago, IL

This exceptional three-stone ring is centered by a magnificent 8.89-carat natural Colombian emerald, expertly fashioned in a classic octagonal step cut. Accompanied by a C. Dunaigre ...

Category

2010s Contemporary Engagement Rings

Materials

Diamond, Emerald, White Diamond, Platinum

14k White Gold C. Dunaigre 1.33ct No Heat Vivid Red Round Ruby Diamond Halo Ring
14k White Gold C. Dunaigre 1.33ct No Heat Vivid Red Round Ruby Diamond Halo Ring

14k White Gold C. Dunaigre 1.33ct No Heat Vivid Red Round Ruby Diamond Halo Ring

Located in Montclair, NJ

Width: 9.6mm (0.38") (top of ring, at the halo, north to south), 2.1mm (bottom of shank) Height: 7.4mm rise off the finger Condition: Like new. Comes with original C. Dunaigre Switze...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, Gold, 14k Gold, White Gold

C. Dunaigre Certified 56.63 Carat Total No Heat Seven-Stone Yellow Sapphire Lot
C. Dunaigre Certified 56.63 Carat Total No Heat Seven-Stone Yellow Sapphire Lot

C. Dunaigre Certified 56.63 Carat Total No Heat Seven-Stone Yellow Sapphire Lot

Located in New York, NY

Each sapphire is accompanied by a C. Dunaigre Report. All sapphires are certified as NO HEAT Treatment and of Ceylon Origin. 3.98 Carat Cushion, Yellow color, 10.65 x 8.16 x 5.11 mm...

Category

21st Century and Contemporary Sri Lankan More Jewelry

Materials

Sapphire, Yellow Sapphire

C.Dunaigre Colombian Emerald Diamond Ring
C.Dunaigre Colombian Emerald Diamond Ring

C.Dunaigre Colombian Emerald Diamond Ring

Located in Chicago, IL

This stunning ring features a certified natural emerald weighing 3 carats, complemented by elegant trapeze-cut diamonds on either side. The vibrant green of the emerald is beautifull...

Category

2010s American Contemporary Cocktail Rings

Materials

Emerald, Platinum

Diana M. Platinum ruby and diamond ring featuring a 6.06 ct C.Dunaigre certified
Diana M. Platinum ruby and diamond ring featuring a 6.06 ct C.Dunaigre certified

Diana M. Platinum ruby and diamond ring featuring a 6.06 ct C.Dunaigre certified

By Diana M. Jewels

Located in New York, NY

Platinum ruby and diamond ring featuring a 6.06 ct C.Dunaigre certified oval cut ruby surrounded by 2.50 cts tw of diamonds.

Category

21st Century and Contemporary American Modern Fashion Rings

Materials

Ruby, Diamond, Platinum

Diana M. 18 kt white gold sapphire diamond ring featuring a 3.26 ct C.Dunaigre
Diana M. 18 kt white gold sapphire diamond ring featuring a 3.26 ct C.Dunaigre

Diana M. 18 kt white gold sapphire diamond ring featuring a 3.26 ct C.Dunaigre

By Diana M. Jewels

Located in New York, NY

18 kt white gold sapphire diamond ring featuring a 3.26 ct C.Dunaigre certified oval cut unheated sapphire with 0.60 cts tw of micropave diamonds in a halo setting.

Category

21st Century and Contemporary American Modern Fashion Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

C. Dunaigre 6.82 Carat Minor Oil EMERALD Diamond Ring
C. Dunaigre 6.82 Carat Minor Oil EMERALD Diamond Ring

C. Dunaigre 6.82 Carat Minor Oil EMERALD Diamond Ring

Located in Chicago, IL

stunning natural 6.82 carat minor oil emerald with tapered baguette diamonds, weighing an impressive 1 ct. This exceptional emerald features fire that captures the eye. Set in a lux...

Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Emerald, Platinum

C. Dunaigre 3.65 Ct. Minor Oil Emerald Diamond Necklace
C. Dunaigre 3.65 Ct. Minor Oil Emerald Diamond Necklace

C. Dunaigre 3.65 Ct. Minor Oil Emerald Diamond Necklace

Located in Chicago, IL

Composed of baguette, calf's head, cushion-cut and trapezoid-shaped diamonds suspending a cushion-cut emerald Sapphire weighing 3.65 carats Diamonds weighing a total of approximatel...

Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, Emerald, Platinum

Natural columbian octogan 8.72 carat pair certified by C.dunaigre.
Natural columbian octogan 8.72 carat pair certified by C.dunaigre.

Natural columbian octogan 8.72 carat pair certified by C.dunaigre.

Located in New York, NY

Natural Colombian 8.72 carat octogan pair Colombian Emeralds A striking pair of natural Colombian emeralds, beautifully cut in an elegant octagonal emerald cut. They display a ric...

Category

2010s Loose Gemstones

Materials

Emerald

Natural columbian octogan 8.72 carat pair certified by C.dunaigre.
Natural columbian octogan 8.72 carat pair certified by C.dunaigre.

Natural columbian octogan 8.72 carat pair certified by C.dunaigre.

Located in jaipur, IN

Natural Colombian 8.72 carat octogan pair Colombian Emeralds A striking pair of natural Colombian emeralds, beautifully cut in an elegant octagonal emerald cut. They display a ric...

Category

2010s Colombian Stud Earrings

Spectra Fine Jewelry C.Dunaigre Certified Colombian Emerald Diamond Necklace
Spectra Fine Jewelry C.Dunaigre Certified Colombian Emerald Diamond Necklace

Spectra Fine Jewelry C.Dunaigre Certified Colombian Emerald Diamond Necklace

By Spectra Fine Jewelry

Located in New York, NY

Indulge in unparalleled elegance with this exquisite necklace, featuring 18 graduated Sugarloaf Cabochon Colombian Emeralds, collectively weighing an impressive 141.04 carats. Certif...

Category

21st Century and Contemporary American Contemporary Choker Necklaces

Materials

Diamond, Emerald, 18k Gold

C. Dunaigre Switzerland Heart Shape Pink Sapphire Diamond Pendant Necklace
C. Dunaigre Switzerland Heart Shape Pink Sapphire Diamond Pendant Necklace

C. Dunaigre Switzerland Heart Shape Pink Sapphire Diamond Pendant Necklace

By Antinori Fine Jewels

Located in Chicago, IL

An exquisite 10.11 carat Ceylon Sri-Lanka pink sapphire set in 18 carats rose gold the pendant have a halo of round brilliant cut diamonds F in color and VS clarity the carat weig...

Category

2010s Italian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Pink Sapphire, Gold, 18k Gold, Rose Gold

C. Dunaigre Certified 6.84 Carat Colombian Minor Oil Round Emerald Ring
C. Dunaigre Certified 6.84 Carat Colombian Minor Oil Round Emerald Ring

C. Dunaigre Certified 6.84 Carat Colombian Minor Oil Round Emerald Ring

Located in Chicago, IL

6.84 carat Colombian minor oil round emerald set in solid platinum and accented with round natural diamonds of E color and VVS clarity is an exquisite and luxurious piece. The solid ...

Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Emerald, Platinum

C. DUNAIGRE Certified Sapphire Diamond Halo Cocktail Ring 15.31 Carats F VS
C. DUNAIGRE Certified Sapphire Diamond Halo Cocktail Ring 15.31 Carats F VS

C. DUNAIGRE Certified Sapphire Diamond Halo Cocktail Ring 15.31 Carats F VS

By Harbor Diamonds

Located in New York, NY

Princess Diane inspired cocktail ring featuring one GIA Certified Oval Sapphire weighing 12.06 carats flanked with 14 round brilliants weighing 3.25, crafted in Platinum. Sapphire: ...

Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Ruby Cabochon burma no heat and Diamond Engagement Ring C. Dunaigre Certified.
Ruby Cabochon burma no heat and Diamond Engagement Ring C. Dunaigre Certified.

Ruby Cabochon burma no heat and Diamond Engagement Ring C. Dunaigre Certified.

By MOGULDIAM INC

Located in New York, NY

Very pretty C.D certified burma no heat ruby cabochon and white diamond ring hand crafted in 18k white gold. The details are as follows : Ruby cabochon weight : 3.71 carats Ring si...

Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Ruby, White Gold

C. Dunaigre Zambian Emerald and Diamond Cocktail Ring in 18k Rose Gold
C. Dunaigre Zambian Emerald and Diamond Cocktail Ring in 18k Rose Gold

C. Dunaigre Zambian Emerald and Diamond Cocktail Ring in 18k Rose Gold

Located in Los Angeles, CA

Gorgeous 4.33 ct. bright green Zambian emerald octagon with good quality white diamond rounds. Handmade in 18k rose gold. Ring size 7.75.

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Emerald, Rose Gold

5.87 Carat Total Weight C Dunaigre Natural Emerald Cut & Half Moon Emerald Ring
5.87 Carat Total Weight C Dunaigre Natural Emerald Cut & Half Moon Emerald Ring

5.87 Carat Total Weight C Dunaigre Natural Emerald Cut & Half Moon Emerald Ring

Located in Houston, TX

This elegant ring showcases a vibrant 5.87 carat total weight in a natural emerald cut and two half moon emeralds and adorned with 0.62 carats of sparkling Round Diamonds. Set in pol...

Category

2010s American Cocktail Rings

Materials

Emerald, Platinum

C. Dunaigre 5.90 Carat Cushion Cut Emerald & Diamond 18 Karat Gold Cocktail Ring
C. Dunaigre 5.90 Carat Cushion Cut Emerald & Diamond 18 Karat Gold Cocktail Ring

C. Dunaigre 5.90 Carat Cushion Cut Emerald & Diamond 18 Karat Gold Cocktail Ring

Located in Houston, TX

This spectacular split shank ring showcases a remarkable 5.90 carat cushion-shaped emerald accented by 2.02 carats of natural pear and round diamonds. It is set in luxurious polished...

Category

2010s American Cocktail Rings

Materials

Diamond, Emerald, Gold, 18k Gold, White Gold

C. Dunaigre 6.85 Carat Oval Ruby Diamond Halo Pendant Necklace 14K White Gold
C. Dunaigre 6.85 Carat Oval Ruby Diamond Halo Pendant Necklace 14K White Gold

C. Dunaigre 6.85 Carat Oval Ruby Diamond Halo Pendant Necklace 14K White Gold

By Harbor Diamonds

Located in New York, NY

Elegant and timeless, this striking ruby and diamond pendant necklace is crafted in 14 karat white gold and showcases a vibrant oval cut ruby weighing approximately 6.85 carats. The ...

Category

2010s Pendant Necklaces

Materials

Diamond, Ruby, 14k Gold, White Gold

C. Dunaigre 18K Gold 5.23 Carat Oval Ruby and Cadillac Diamond Three-Stone Ring
C. Dunaigre 18K Gold 5.23 Carat Oval Ruby and Cadillac Diamond Three-Stone Ring

C. Dunaigre 18K Gold 5.23 Carat Oval Ruby and Cadillac Diamond Three-Stone Ring

By Harbor Diamonds

Located in New York, NY

This elegant three-stone ring is crafted in 18K yellow gold and features a striking 5.23 carat oval ruby as the centerpiece, flanked by two Cadillac-cut diamonds totaling 0.68 carats...

Category

2010s Cocktail Rings

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

C. Dunaigre Oval Ruby Diamond Halo Cocktail Ring 8.48 CTTW 18 Karat White Gold
C. Dunaigre Oval Ruby Diamond Halo Cocktail Ring 8.48 CTTW 18 Karat White Gold

C. Dunaigre Oval Ruby Diamond Halo Cocktail Ring 8.48 CTTW 18 Karat White Gold

By Harbor Diamonds

Located in New York, NY

An elegant and striking statement ring crafted in 18K white gold, showcasing a vivid 7.32-carat oval-cut natural ruby with rich red saturation. The center stone is framed by a refine...

Category

2010s Contemporary Cocktail Rings

Materials

Ruby, Diamond, 18k Gold, White Gold

C. Dunaigre 9.56 Carat Oval Ruby Ring with Hidden Diamond Halo in 14K White Gold
C. Dunaigre 9.56 Carat Oval Ruby Ring with Hidden Diamond Halo in 14K White Gold

C. Dunaigre 9.56 Carat Oval Ruby Ring with Hidden Diamond Halo in 14K White Gold

By Harbor Diamonds

Located in New York, NY

A striking and sophisticated statement ring featuring a vivid 9.56 carat oval-cut ruby, set in luxurious 14K white gold. The richly saturated ruby displays a bold, captivating presen...

Category

2010s Contemporary Cocktail Rings

Materials

Diamond, Ruby, 14k Gold, White Gold

C. Dunaigre 8.36 Carat Oval Ruby, Half Moon Diamond Halo Ring 18K Two-Tone Gold
C. Dunaigre 8.36 Carat Oval Ruby, Half Moon Diamond Halo Ring 18K Two-Tone Gold

C. Dunaigre 8.36 Carat Oval Ruby, Half Moon Diamond Halo Ring 18K Two-Tone Gold

By Harbor Diamonds

Located in New York, NY

An exceptional and substantial three-stone ring centered by a magnificent 8.36 carat oval ruby, displaying a rich and vibrant red hue. The impressive center stone is elegantly set in...

Category

2010s Contemporary Cocktail Rings

Materials

Diamond, Ruby, Gold, 18k Gold, White Gold

Diana M. Certified 34.51 Carat Zambian Emerald and Diamond Necklace
Diana M. Certified 34.51 Carat Zambian Emerald and Diamond Necklace

Diana M. Certified 34.51 Carat Zambian Emerald and Diamond Necklace

By Diana M. Jewels

Located in New York, NY

Platinum fasion necklace 11 zambian pear shape emeralds 34.51 cts with 32.40 cts diamonds certified C. Dunaigre

Category

21st Century and Contemporary Choker Necklaces

Materials

Diamond, Emerald, Platinum

Colombian Emerald Briolette Drops Diamond Pave Princess Necklace
Colombian Emerald Briolette Drops Diamond Pave Princess Necklace

Colombian Emerald Briolette Drops Diamond Pave Princess Necklace

Located in Fairfax, VA

950 Platinum, 30cts Emeralds, 6cts Dia. 1980s estimated origin Very Rare Colombian Emerald Shapes CERTIFICATE by C. Dunaigre Switzerland

Category

Vintage 1980s American Modern Link Necklaces

Materials

Diamond, Emerald, Platinum

Diana M. Certified 32.19 Carat Emerald and Diamond Drop Necklace
Diana M. Certified 32.19 Carat Emerald and Diamond Drop Necklace

Diana M. Certified 32.19 Carat Emerald and Diamond Drop Necklace

By Diana M. Jewels

Located in New York, NY

18kt white gold diamond necklace features 32.19 cts pear shape emeralds and 16.80 cts white diamonds. C. Dunaigre Certified

Category

21st Century and Contemporary Drop Necklaces

Materials

Diamond, Emerald, 18k Gold, White Gold

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C. Dunaigre Certified 4.27 Carat Colombian Emerald Ring
C. Dunaigre Certified 4.27 Carat Colombian Emerald Ring

C. Dunaigre Certified 4.27 Carat Colombian Emerald Ring

By Shreve, Crump & Low

Located in Chestnut Hill, MA

Platinum set 4.27 carat cushion cut Colombian emerald with a C. Dunaigre gemstone report rating the stone as very good quality and having very minor clarity enhancements.

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Emerald, Platinum

Siam Marquise Ruby Ring 2.95 Cts Heated C.Dunaigre Certified Unworn
Siam Marquise Ruby Ring 2.95 Cts Heated C.Dunaigre Certified Unworn

Siam Marquise Ruby Ring 2.95 Cts Heated C.Dunaigre Certified Unworn

Located in Geneva, CH

Intense Siam Marquise Ruby 2.95 carats ring unworn Mounted in an 18K White Gold ring The ring size is 53 The total weight of the ring is 6.4 grams Set with 84 Round Diamonds for a to...

Category

2010s Swiss Art Deco Bridal Rings

Materials

White Diamond, Ruby, 18k Gold, White Gold

Zambian Oval Emerald Ring 3.93 Carats Insignificant C.Dunaigre Certified Unworn
Zambian Oval Emerald Ring 3.93 Carats Insignificant C.Dunaigre Certified Unworn

Zambian Oval Emerald Ring 3.93 Carats Insignificant C.Dunaigre Certified Unworn

Located in Geneva, CH

Very pretty Zambian Oval Emerald 3.93 carats ring Unworn Mounted in an 18K White Gold ring The ring size is 53.5 The total weight of the ring is 7.1 grams Set with 104 Round Diamonds...

Category

2010s Swiss Art Deco Bridal Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

Zambian Em-Cut Emerald Ring 5.23 Carats Minor C.Dunaigre Certified Unworn
Zambian Em-Cut Emerald Ring 5.23 Carats Minor C.Dunaigre Certified Unworn

Zambian Em-Cut Emerald Ring 5.23 Carats Minor C.Dunaigre Certified Unworn

Located in Geneva, CH

Fabulous Zambian Em-Cut Emerald 5.23 carats ring Unworn Mounted in an 18K White Gold ring The ring size is 52.5 The total weight of the ring is 6.3 grams Set with 91 Round Diamonds f...

Category

2010s Swiss Art Deco Bridal Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

Colombian Em-Cut Emerald Ring 7.66 Carats Minor C.Dunaigre Certified Unworn
Colombian Em-Cut Emerald Ring 7.66 Carats Minor C.Dunaigre Certified Unworn

Colombian Em-Cut Emerald Ring 7.66 Carats Minor C.Dunaigre Certified Unworn

Located in Geneva, CH

Gorgeous Colombian Em-Cut Emerald 7.66 carats ring unworn Mounted in an 18K White Gold ring The ring size is 52/5 The total weight of the ring is 10.7 grams Set with 66 Round Diamon...

Category

2010s Swiss Art Deco Bridal Rings

Materials

White Diamond, Emerald, 18k Gold, White Gold

Panjshir Em-cut Emerald Ring 3.05 Cts Insignificant C.Dunaigre Certified Unworn
Panjshir Em-cut Emerald Ring 3.05 Cts Insignificant C.Dunaigre Certified Unworn

Panjshir Em-cut Emerald Ring 3.05 Cts Insignificant C.Dunaigre Certified Unworn

Located in Geneva, CH

Gorgeous Panjshir Em-cut Emerald 3.05 carats ring Unworn Mounted in a 18K White Gold ring The ring size is 52.5 The total weight of the ring is 6.8 grams Set with 78 Round Diamonds ...

Category

2010s Swiss Art Deco Bridal Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

C. Dunaigre Certified 140.81 Carat Zambian Emerald Pear Shaped Earring
C. Dunaigre Certified 140.81 Carat Zambian Emerald Pear Shaped Earring

C. Dunaigre Certified 140.81 Carat Zambian Emerald Pear Shaped Earring

Located in Kowloon, HK

Exquisite Zambian Emerald Ear Pendants, C. Dunaigre Certified, 140.81 Carats Total Weight Command attention with this magnificent pair of "18K" white gold ear-pendants, featuring a ...

Category

2010s Modern Drop Earrings

Materials

Emerald, 18k Gold

Ceylon Oval Cut Yellow Sapphire 35.34 Carat Total Diamond Platinum Ring
Ceylon Oval Cut Yellow Sapphire 35.34 Carat Total Diamond Platinum Ring

Ceylon Oval Cut Yellow Sapphire 35.34 Carat Total Diamond Platinum Ring

Located in New York, NY

Not Heated. Natural. C.Dunaigre Switzerland Certified. Accented by 78 round white diamonds 2.35 carat total.

Category

2010s American Contemporary Stud Earrings

Materials

White Diamond, Yellow Sapphire, Diamond, Platinum

Natural Beryl Zambian Pear Shape Emerald Ring
Natural Beryl Zambian Pear Shape Emerald Ring

Natural Beryl Zambian Pear Shape Emerald Ring

Located in Dallas, TX

Ring Size: 6 18K yellow gold 11.24CT Natural Beryl Zambian Pear Shape Emerald 8.29ctw I-J/VS Pear Shape, Marquis Cut, and Round Brilliant Diamonds Includes de Boulle box, C. DUNAIGRE...

Category

21st Century and Contemporary Zambian Contemporary Solitaire Rings

Materials

Diamond, Emerald, Yellow Gold

Pear Colombian Emerald Diamond Platinum Three-Stone Ring
Pear Colombian Emerald Diamond Platinum Three-Stone Ring

Pear Colombian Emerald Diamond Platinum Three-Stone Ring

Located in New York, NY

Includes Gemstone Report by C.Dunaigre, Switzerland. Ring US Size 6 *Complimentary resizing service*

Category

2010s Three-Stone Rings

Materials

Diamond, Emerald, Platinum

Heart Shaped Emerald Diamond 18 Karat Gold Solitaire Ring
Heart Shaped Emerald Diamond 18 Karat Gold Solitaire Ring

Heart Shaped Emerald Diamond 18 Karat Gold Solitaire Ring

Located in New York, NY

Includes Gemstone Report by C.Dunaigre, Switzerland. Ring US Size 6.5 *Complimentary resizing service*

Category

2010s Modern Engagement Rings

Materials

Diamond, Emerald, 18k Gold

27.43 Carat Certified Peridot and Diamond Ring
27.43 Carat Certified Peridot and Diamond Ring

27.43 Carat Certified Peridot and Diamond Ring

By Shreve, Crump & Low

Located in Chestnut Hill, MA

18 Karat pink and white gold ring featuring one natural 27.43 carat cushion cut Peridot C. Dunaigre certified. The Russian Peridot is surrounded by a halo of round brilliant cut whit...

Category

21st Century and Contemporary Russian Contemporary Cocktail Rings

Materials

Diamond, Pink Diamond, Peridot, 18k Gold

8.61 Carat Oval Cabochon Emerald Diamond Cocktail Ring
8.61 Carat Oval Cabochon Emerald Diamond Cocktail Ring

8.61 Carat Oval Cabochon Emerald Diamond Cocktail Ring

Located in New York, NY

Includes Gemstone Report by C.Dunaigre, Switzerland. Ring US size 6.5 *Complimentary resizing service*

Category

2010s Cocktail Rings

N.V. Milano Colombian Cushion Cut Emerald Gold Ring
N.V. Milano Colombian Cushion Cut Emerald Gold Ring

N.V. Milano Colombian Cushion Cut Emerald Gold Ring

Located in Milano, Lombardia

Gemstone Report N. CDC 1509842 C. Dunaigre Switzerland stating the 4,02 Emerald of Vivid Green color and Minor Oil clarity enhancement

Category

21st Century and Contemporary Italian Engagement Rings

Materials

Emerald, 18k Gold

21.49 Carat Oval Cabochon Emerald Diamond Ring
21.49 Carat Oval Cabochon Emerald Diamond Ring

21.49 Carat Oval Cabochon Emerald Diamond Ring

Located in New York, NY

Includes Gemstone Report by C.Dunaigre, Switzerland. Ring US size 6.5 *Complimentary resizing service*

Category

2010s Thai Modern Cocktail Rings

Materials

Diamond, Emerald, 18k Gold

5.29 Carat Cushion Ceylon Blue Sapphire Diamond 18 Karat Gold Engagement Ring
5.29 Carat Cushion Ceylon Blue Sapphire Diamond 18 Karat Gold Engagement Ring

5.29 Carat Cushion Ceylon Blue Sapphire Diamond 18 Karat Gold Engagement Ring

Located in New York, NY

Includes Gemstone Report by C.Dunaigre, Switzerland. Ring US Size 6.5 *Complimentary resizing service*

Category

2010s Thai Modern Engagement Rings

Materials

Diamond, Blue Sapphire, 18k Gold

3.54 Carat Emerald .77 Carat Diamonds Platinum Three-Stone Ring
3.54 Carat Emerald .77 Carat Diamonds Platinum Three-Stone Ring

3.54 Carat Emerald .77 Carat Diamonds Platinum Three-Stone Ring

By Shreve, Crump & Low

Located in Chestnut Hill, MA

This beautiful Platinum and 18 karat yellow gold 3 stone ring featuring one 3.54 carat certified by C. Dunaigre Emerald cut Natural Colombian emerald.

Category

20th Century Three-Stone Rings

Materials

Diamond, Emerald, White Diamond, 18k Gold, Platinum, Yellow Gold

Certified Royal Blue Sapphire Ring with Round Diamonds in 18k Rose Gold
Certified Royal Blue Sapphire Ring with Round Diamonds in 18k Rose Gold

Certified Royal Blue Sapphire Ring with Round Diamonds in 18k Rose Gold

By Avanti

Located in Carrollton, TX

This royal blue sapphire is heated from Ceylon and has a certificate from C. Dunaigre Laboratory . The stone has an amazing life of fire that is accented by the GIA Certified round ...

Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Blue Sapphire, 18k Gold, Rose Gold

Van Cleef & Arpels Yellow Gold, Diamonds and Sapphire Earrings
Van Cleef & Arpels Yellow Gold, Diamonds and Sapphire Earrings

Van Cleef & Arpels Yellow Gold, Diamonds and Sapphire Earrings

By Van Cleef & Arpels

Located in Monaco, MC

Weight of sapphires: 2,10 cts and 1,90 cts Signed: Van Cleef & Arpels, numbered: CS 148595 (Special Order) Certificate of sapphire: C. Dunaigre -CH- stating sapphires are not heate...

Category

Vintage 1970s French Clip-on Earrings

Materials

Diamond, Sapphire, Yellow Gold

15.74 Carat Pear Cabochon Emerald Diamond 18 Karat Gold Drop Earrings
15.74 Carat Pear Cabochon Emerald Diamond 18 Karat Gold Drop Earrings

15.74 Carat Pear Cabochon Emerald Diamond 18 Karat Gold Drop Earrings

Located in New York, NY

Includes Gemstone Report by C.Dunaigre, Switzerland.

Category

2010s Thai Contemporary Drop Earrings

Materials

Diamond, Emerald, 18k Gold

Certified Natural 3.78 Carat Emerald Cut Sapphire Diamond Art Deco Cocktail Ring
Certified Natural 3.78 Carat Emerald Cut Sapphire Diamond Art Deco Cocktail Ring

Certified Natural 3.78 Carat Emerald Cut Sapphire Diamond Art Deco Cocktail Ring

Located in Sydney, NSW

Set with one Exceptional Emerald cut 3.78ct "Vivid Blue" Sapphire as per C. Dunaigre report # CDC 1708352 Set in 18k rose gold claws, surrounded by 26 = 0.50ct white brilliant cut di...

Category

21st Century and Contemporary Australian Art Deco Cocktail Rings

Materials

Diamond, Blue Sapphire, 18k Gold

Andreoli CDC Certified 6.31 Carat Ceylon Blue Sapphire Diamond Platinum Ring
Andreoli CDC Certified 6.31 Carat Ceylon Blue Sapphire Diamond Platinum Ring

Andreoli CDC Certified 6.31 Carat Ceylon Blue Sapphire Diamond Platinum Ring

By Andreoli

Located in New York, NY

This ring features a 6.31 carat vivid blue cushion Ceylon blue sapphire certified by C. Dunaigre Consulting Switzerland surrounded with 0.56 carats of round brilliant diamonds F-G-H ...

Category

2010s Italian Contemporary Engagement Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

7.87 Carat Oval Ruby with 1.62 Carat of Diamond White and Yellow Gold Ring
7.87 Carat Oval Ruby with 1.62 Carat of Diamond White and Yellow Gold Ring

7.87 Carat Oval Ruby with 1.62 Carat of Diamond White and Yellow Gold Ring

By Piranesi

Located in New York, NY

Size: 7 Features: This ring is accompanied by a C. Dunaigre Gemstone Report. Certificate available upon request.

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Ruby, 18k Gold, White Gold, Yellow Gold

Emerald-Cut Emerald and Diamond Drop Earrings CDC Certified Platinum Andreoli
Emerald-Cut Emerald and Diamond Drop Earrings CDC Certified Platinum Andreoli

Emerald-Cut Emerald and Diamond Drop Earrings CDC Certified Platinum Andreoli

By Andreoli

Located in New York, NY

The emerald is certified by the prestigious Switzerland laboratory, C. Dunaigre. Emerald origin from Zambia. Specifications: 13.20 carat Emerald 1.47 carat Diamond (G-H, VS-SI) 6.27...

Category

2010s American Drop Earrings

Materials

Diamond, Emerald, Platinum

Bayco CDC Certified 10.42 Carat Unheated Green Sapphire Platinum Cocktail Ring
Bayco CDC Certified 10.42 Carat Unheated Green Sapphire Platinum Cocktail Ring

Bayco CDC Certified 10.42 Carat Unheated Green Sapphire Platinum Cocktail Ring

By Bayco

Located in New York, NY

A Platinum ring centered upon a 10.42 carat natural unheated emerald-cut green sapphire, certified by C. Dunaigre Consulting. Finding the right melange of colors is the skill of a m...

Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Sapphire, Green Sapphire, Platinum

Bayco 14.99 Carat Emerald-Cut Ruby Platinum Eternity Ring
Bayco 14.99 Carat Emerald-Cut Ruby Platinum Eternity Ring

Bayco 14.99 Carat Emerald-Cut Ruby Platinum Eternity Ring

By Bayco

Located in New York, NY

A platinum eternity band consisting of 14 perfectly matched emerald-cut Burma rubies weighing 14.99 carats total, certified by C.Dunaigre. Everyday jewels for the modern and sophist...

Category

21st Century and Contemporary American Modern Band Rings

Materials

Ruby, Platinum

Bayco 49.18 Total Carat Ruby Diamond Platinum Bracelet
Bayco 49.18 Total Carat Ruby Diamond Platinum Bracelet

Bayco 49.18 Total Carat Ruby Diamond Platinum Bracelet

By Bayco

Located in New York, NY

A beautiful platinum bracelet set with 25 emerald-cut Burma rubies weighing 45.36 carats total, accompanied by a C. Dunaigre Consulting report, and 6 hexagon-cut colorless diamonds w...

Category

21st Century and Contemporary American Modern Tennis Bracelets

Materials

Diamond, White Diamond, Ruby, Platinum

Bayco CDC Certified 10.45 TCW Cushion Mozambique Ruby Diamond Platinum Earrings
Bayco CDC Certified 10.45 TCW Cushion Mozambique Ruby Diamond Platinum Earrings

Bayco CDC Certified 10.45 TCW Cushion Mozambique Ruby Diamond Platinum Earrings

By Bayco

Located in New York, NY

A beautiful pair of platinum ear clips centered upon a 10.45 carat pair of cushion Mozambique rubies, certified by C. Dunaigre Consulting, set within an oval colorless diamond and ba...

Category

21st Century and Contemporary American Modern Clip-on Earrings

Materials

Diamond, White Diamond, Ruby, Platinum

Andreoli Burma Ruby CDC Certified Diamond Statement Earrings 18 Karat White Gold
Andreoli Burma Ruby CDC Certified Diamond Statement Earrings 18 Karat White Gold

Andreoli Burma Ruby CDC Certified Diamond Statement Earrings 18 Karat White Gold

By Andreoli

Located in New York, NY

These earrings feature 12.54 carats of Burma oval shaped rubies certified by C.Dunaigre swiss lab. Accented with 4.34 carats of full round brilliant cut diamonds F-G-H Color VS-SI Cl...

Category

21st Century and Contemporary Italian Contemporary Chandelier Earrings

Materials

Diamond, White Diamond, Ruby, Gold, 18k Gold, White Gold

Andreoli Burma Ruby CDC Certified Diamond Statement Necklace 18 Karat White Gold
Andreoli Burma Ruby CDC Certified Diamond Statement Necklace 18 Karat White Gold

Andreoli Burma Ruby CDC Certified Diamond Statement Necklace 18 Karat White Gold

By Andreoli

Located in New York, NY

This necklace features 65.37 carats of Burma oval shaped rubies certified by C.Dunaigre swiss lab. Accented with 20.63 carats of full round brilliant cut diamonds F-G-H Color VS-SI ...

Category

21st Century and Contemporary Italian Contemporary More Necklaces

Materials

Diamond, White Diamond, Ruby, Gold, 18k Gold, White Gold

Burma Sapphire No Heat & Diamonds Earrings in 18K White Gold 4.55 Cts Unworn
Burma Sapphire No Heat & Diamonds Earrings in 18K White Gold 4.55 Cts Unworn

Burma Sapphire No Heat & Diamonds Earrings in 18K White Gold 4.55 Cts Unworn

Located in Geneva, CH

Burmese Sapphire 2.39 cts The total weight of the Diamonds is 2.11 cts 6 pcs Marquise 1.45 cts 2 pcs Pearshape 0.49 cts 2 pcs Round 0.27 cts The Sapphires matching pair is accompani...

Category

2010s Swiss Modern Dangle Earrings

Materials

Diamond, Sapphire, 18k Gold, White Gold

Bayco CDC Certified 7.60 Carat Green Sapphire Platinum Cocktail Ring
Bayco CDC Certified 7.60 Carat Green Sapphire Platinum Cocktail Ring

Bayco CDC Certified 7.60 Carat Green Sapphire Platinum Cocktail Ring

By Bayco

Located in New York, NY

A Platinum vertical ring centered upon a 5.19 carat natural unheated oval green sapphire, certified by C. Dunaigre Consulting, set with two natural unheated pear-shaped green sapphir...

Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Sapphire, Green Sapphire, Platinum

Bayco CDC Certified 4.07 Carat Unheated Purple Sapphire Diamond Platinum
Bayco CDC Certified 4.07 Carat Unheated Purple Sapphire Diamond Platinum

Bayco CDC Certified 4.07 Carat Unheated Purple Sapphire Diamond Platinum

By Bayco

Located in New York, NY

A platinum solitaire ring centered upon a 4.07 carat natural unheated cushion purple sapphire, certified by C. Dunaigre Consulting, set with colorless diamond micropavé on the shank.

Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, White Diamond, Sapphire, Platinum

Bayco 3.97 Carat Ceylon Sapphire Diamond 18 Karat Black Gold Cocktail Ring
Bayco 3.97 Carat Ceylon Sapphire Diamond 18 Karat Black Gold Cocktail Ring

Bayco 3.97 Carat Ceylon Sapphire Diamond 18 Karat Black Gold Cocktail Ring

By Bayco

Located in New York, NY

An 18kt blackened gold solitaire ring centered upon a 3.97 carat rectangular brilliant-cut Ceylon sapphire, certified by C.Dunaigre Consulting, set with colorless diamond micropavé o...

Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, 18k Gold, Rhodium

Bayco 4.03 Carat Natural Unheated Mozambique Ruby Diamond Platinum Pendant
Bayco 4.03 Carat Natural Unheated Mozambique Ruby Diamond Platinum Pendant

Bayco 4.03 Carat Natural Unheated Mozambique Ruby Diamond Platinum Pendant

By Bayco

Located in New York, NY

A platinum pendant centered upon an exceptional 4.03 carat pear-shaped natural unheated Mozambique ruby, certified as "pigeon's blood" by GRS and "imperial red" by C.Dunaigre Consult...

Category

21st Century and Contemporary American Modern Pendant Necklaces

Materials

Diamond, White Diamond, Ruby, Platinum

Bayco 90.69 Carat Pink Sapphire Black Gold Monochrome Bracelet
Bayco 90.69 Carat Pink Sapphire Black Gold Monochrome Bracelet

Bayco 90.69 Carat Pink Sapphire Black Gold Monochrome Bracelet

By Bayco

Located in New York, NY

A spectacular and very flexible 18kt blackened gold bracelet set with 646 perfectly matched round brilliant-cut pink sapphires weighing 90.69 carts total and certified by C. Dunaigre...

Category

21st Century and Contemporary American Modern Cuff Bracelets

Materials

Pink Sapphire, 18k Gold, Rhodium

Bayco 68.61 Carat No Heat Yellow Sapphire 18 Karat Gold Bracelet
Bayco 68.61 Carat No Heat Yellow Sapphire 18 Karat Gold Bracelet

Bayco 68.61 Carat No Heat Yellow Sapphire 18 Karat Gold Bracelet

By Bayco

Located in New York, NY

A spectacular bracelet comprised of 494 perfectly matched round brilliant-cut natural unheated yellow sapphires weighing 68.61 carats total, certified by C.Dunaigre, set in a very fl...

Category

21st Century and Contemporary American Modern Cuff Bracelets

Materials

Sapphire, Yellow Sapphire, 18k Gold, Yellow Gold

Bayco 5.58 Carat Cushion Pink Sapphire Diamond 18 Karat Rose Gold Ring
Bayco 5.58 Carat Cushion Pink Sapphire Diamond 18 Karat Rose Gold Ring

Bayco 5.58 Carat Cushion Pink Sapphire Diamond 18 Karat Rose Gold Ring

By Bayco

Located in New York, NY

An 18kt rose gold ring centered upon a magnificent 5.58 carat cushion pink sapphire, certified by GIA and C. Dunaigre, flanked by kite diamonds and set with an intricate diamond micr...

Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, White Diamond, Sapphire, Pink Sapphire, 18k Gold, Rose Gold

Bayco GRS Certified "Pigeon's Blood" 5.03 Oval Burma Ruby Diamond Platinum Ring
Bayco GRS Certified "Pigeon's Blood" 5.03 Oval Burma Ruby Diamond Platinum Ring

Bayco GRS Certified "Pigeon's Blood" 5.03 Oval Burma Ruby Diamond Platinum Ring

By Bayco

Located in New York, NY

A platinum ring centered upon a 5.03 carat oval "pigeon's blood" Burma ruby, certified by GRS and C. Dunaigre, flanked by colorless epaulet diamonds weighing 0.95 carats total.

Category

21st Century and Contemporary American Modern Three-Stone Rings

Materials

Diamond, White Diamond, Ruby, Platinum

Bayco 6.34 Carat Pair of Madagascar Natural Unheated Diamond Platinum Earrings
Bayco 6.34 Carat Pair of Madagascar Natural Unheated Diamond Platinum Earrings

Bayco 6.34 Carat Pair of Madagascar Natural Unheated Diamond Platinum Earrings

By Bayco

Located in New York, NY

A pair of platinum ear-pendants centered upon a perfectly matched pair of natural unheated oval Madagascar sapphires weighing 6.34 carats total weight, accompanied by C. Dunaigre Con...

Category

21st Century and Contemporary American Modern Dangle Earrings

Materials

Diamond, White Diamond, Blue Sapphire, Platinum

Bayco 7.60 Carat Burma No Heat Sapphire Diamond Platinum Ring
Bayco 7.60 Carat Burma No Heat Sapphire Diamond Platinum Ring

Bayco 7.60 Carat Burma No Heat Sapphire Diamond Platinum Ring

By Bayco

Located in New York, NY

A platinum ring centered upon a rare 7.60 carat natural unheated cushion Burma sapphire, certified by GIA and C.Dunaigre, flanked by epaulet diamonds all set within a delicate diamon...

Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Bayco CDC Certified 3.51 Carat Pink Blue Sapphire Diamond Rose Gold Ring
Bayco CDC Certified 3.51 Carat Pink Blue Sapphire Diamond Rose Gold Ring

Bayco CDC Certified 3.51 Carat Pink Blue Sapphire Diamond Rose Gold Ring

By Bayco

Located in New York, NY

An 18kt rose-gold ring centered upon a 2.07 carat cushion pink sapphire flanked by two cushion blue sapphires weighing 1.44 carats total, certified by C. Dunaigre Consulting, set wit...

Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Pink Sapphire, 18k Gold...

Bayco AGL Certified 56.07 Carat, Burma Sapphire Diamond Platinum Bracelet
Bayco AGL Certified 56.07 Carat, Burma Sapphire Diamond Platinum Bracelet

Bayco AGL Certified 56.07 Carat, Burma Sapphire Diamond Platinum Bracelet

By Bayco

Located in New York, NY

A unique platinum bracelet set with 7 perfectly matched natural unheated cushion-cut Burma sapphires weighing 26.40 carats total, certified by AGL and C. Dunaigre, each set within ...

Category

21st Century and Contemporary American Modern Modern Bracelets

Materials

Diamond, White Diamond, Blue Sapphire, Platinum

Bayco 14.26 Carat Emerald Cut Ceylon Sapphire Diamond Gold Cocktail Ring
Bayco 14.26 Carat Emerald Cut Ceylon Sapphire Diamond Gold Cocktail Ring

Bayco 14.26 Carat Emerald Cut Ceylon Sapphire Diamond Gold Cocktail Ring

By Bayco

Located in New York, NY

An 18kt blackened gold Monochome ring centered upon a beautiful 14.26 carat emerald-cut Ceylon sapphire, certified by C. Dunaigre, set within elaborate blue sapphire micropavé claw p...

Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, White Diamond, Blue Sapphire, 18k Gold, Rhodium

Certified 7.86 carat Emerald and 1 Carat Diamonds Snake ring , Minor.
Certified 7.86 carat Emerald and 1 Carat Diamonds Snake ring , Minor.

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Located in Miami, FL

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21st Century and Contemporary American Modern Cocktail Rings

Materials

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Materials

Diamond, White Diamond, Sapphire, 18k Gold, Platinum

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Bayco 47.05 Carat Cabochon Colombian Emerald Diamond Platinum Silver Ring

Bayco 47.05 Carat Cabochon Colombian Emerald Diamond Platinum Silver Ring

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Located in New York, NY

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21st Century and Contemporary American Modern Cocktail Rings

Materials

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Bayco 7.12 Carat Pink Sapphire Diamond 18 Karat Gold Oxidized Silver Lotus Ring

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Located in New York, NY

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21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, White Diamond, Pink Sapphire, 18k Gold, Rose Gold, Silver

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Bayco 11.28 Carat Sugarloaf Cabochon Colombian Emerald Diamond Gold Silver Ring

Bayco 11.28 Carat Sugarloaf Cabochon Colombian Emerald Diamond Gold Silver Ring

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Located in New York, NY

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21st Century and Contemporary American Modern Cocktail Rings

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Bayco 6.85 Carat Un-Enhanced Old-Mine Colombian Emerald Diamond Platinum Ring

Bayco 6.85 Carat Un-Enhanced Old-Mine Colombian Emerald Diamond Platinum Ring

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Located in New York, NY

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Located in New York, NY

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Fabergé Emerald Step Cut Ring, US Clients

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21st Century and Contemporary American Modern Cocktail Rings

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Diamond, White Diamond, Ruby, Platinum

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. ***** Details: ►Metal: Platinum ►Natural Gemstone: Natural Sapphire ►Gemstone Weight: 3.68 ►Gemstone Color: Blue ►Gemstone Origin: Ceylon ►Natural Diamonds: 0.42 carat ►Gem Certif...

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C Dunaigre For Sale on 1stDibs

On 1stDibs, you can find the most appropriate c dunaigre for your needs in our varied inventory. Frequently made of platinum, gold and 18k gold, this item was constructed with great care. Find an antique version now, or shop for 34 vintage or 372 modern creation for a more contemporary example of these cherished accessories. Making the right choice when shopping for a c dunaigre may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. For this particular piece, 1.5 carat and 2 carat are consistently popular carat weights. There have been many well-made iterations of the classic c dunaigre over the years, but those made by Emilio!, Bayco and Takat are often thought to be among the most beautiful. Take a look at a c dunaigre featuring diamond from our inventory today to add the perfect touch to your look. A cushion cut version of this piece has appeal, but there are also oval cut and emerald cut versions for sale. When shopping for a c dunaigre, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a C Dunaigre?

On average, a c dunaigre at 1stDibs sells for $55,617, while they’re typically $2,200 on the low end and $5,000,000 for the highest priced versions of this item.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement rings, vintage engagement rings or Art Deco engagement rings. 

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.