C Dunaigre

Type: Cocktail Ring Era / Style: Retro Metal: Yellow Gold Metal Purity: 18K Setting Style: Prong Band Style: Plain Finish: High Polish Gemstone: Natural Blue Sapphire Origin: Burma (...

Showcasing a gorgeous 7.74ct cushion cut Genuine Ceylon Sapphire Certified by C.Dunaigre. The Sapphire color is medium blue and the stone has a lot of sparkle.

Marked platinum, circa 1950, accompanied by C.Dunaigre Switzerland report #CDC1410639 stating 'Royal Blue' and American Gemological Laboratories report #CS64419.

This exquisite pair of earrings are beautifully crafted with Platinum weighing 18.9 grams C. Dunaigre Switzerland Certified 6.79 Ct Colombian Minor Emerald Diamond Earrings Platin...

Both these magnificent gems are certified by C. Dunaigre as having received no heat treatment meaning that the colors radiating from these jewels are completely natural.

Platinum sapphire and diamond ring an 11.98 ct unheated oval certified natural Ceylon blue sapphire with 2 trillion cut diamonds on side totaling 1.27 cts certified C. DUNAIGRE D...

Platinum sapphire and emerald ring with a spiral design featuring a 2.98 ct pear shaped sapphire and 2.85 ct pear shaped emerald surrounded by 6.02 cts of diamonds (C.Dunaigre certif...

Platinum sapphire diamond ring featuring a 6.99 ct Sri Lanka natural cushion cut ceylon sapphire (C.DUNAIGRE CERTIFIED#CDC2108201)set with 1.64 cts tw of diamonds in a halo setting.

Platinum sapphire diamond Princess Diana ring featuring a 6.00 ct cushion cut sapphire (C.Dunaigre certified) surrounded by 3.02 cts tw of diamonds in a flower design.

Platinum emerald and diamond ring featuring a center 13.50 ct oval cut emerald with 2 half moon shaped diamonds on the side totaling 2.50 cts of diamonds (C.Dunaigre certified). Dia...

18 kt white gold sapphire diamond ring featuring a 6.24 ct Sri Lanka natural cushion cut sapphire (REPORT CDC#1801445) with 2.56 cts tw of diamonds around (C.Dunaigre certified-10.29...

18 kt white gold sapphire and diamond ring featuring a 2.97 ct cushion cut yellow orange sapphire center with 2 emerald cut diamonds on the side totaling 0.85 cts of diamonds (C.Duna...

Type: Cocktail Ring Era / Style: Mid-Century Metal: Yellow Gold Metal Purity: 18K Setting Style: Prong Band Style: Plain Finish: High Polish Gemstone: Natural Blue Sapphire Origin: B...

Showcasing a gorgeous 6.35ct Pear shape Genuine Emerald Certified by C.Dunaigre as Colombian origin. The emerald color is also certified as “Vivid Green” which is very rare in Colomb...

Not only impressive in its size and rich verdant hue, this emerald also exhibits a truly exceptional clarity that is certified by C. Dunaigre as almost completely nature-made. Most e...

Platinum emerald and diamond ring featuring a 2.15 ct emerald and a 2.03 ct white diamond offset from each other surrounded by long baguette cut diamonds totaling 2.00 cts tw of diam...

Ring total weight: 12.92ct Ring dimensions: 19mm long x 24mm wide total frontage Includes Gemstone Report by C.Dunaigre, Switzerland *Complimentary resizing service Our brand is p...

Metal / Materials: 18K Yellow Gold and Platinum (stamped 18K, Plat) Gemstones: Numerous Round Rubies — Burmese (Myanmar); indications of heating Numerous Round Emeralds — Brazilian; ...

Type: Cocktail Ring Era / Style: Mid-Century Metal: Yellow Gold Metal Purity: 18K Setting Style: Prong Band Style: Plain Finish: High Polish Gemstone: Natural Ruby Origin: Tanzania C...

The emeralds are certified by C. Dunaigre lab, stating that the weight of each is 22.23 carats and 24.84 carats, Colombian with minor clarity enhancement.

Showcasing a gorgeous cushion 3.44ct Genuine cushion Cut Sapphire Certified by C.Dunaigre. The Sapphire color is certified as vivid blue also known as Royal blue, the most desirable ...

Showcasing a gorgeous 4.62ct oval Genuine Sapphire Certified by C.Dunaigre. The Sapphire color is a very true rich blue color, and the emerald cut shape is perfect.

These two Genuine Emeralds certified by C.Dunaigre as Zambian origin. The color has been certified as Vivid green, the most desirable color in emeralds.

Cut in an elegant emerald shape, the gem originates from Ceylon, a source renowned for producing sapphires of extraordinary brilliance, clarity and saturation. Its accompanying C. Du...

Includes Gemstone Report by C.Dunaigre, Switzerland. Ring US size 7 *Complimentary resizing service.

Showcasing a gorgeous 11.64ct Emerald cut Genuine Emerald Certified by C.Dunaigre.The emerald color is also certified as “Vivid Green” which is the most desirable color.

Showcasing a gorgeous 6.98ct round Genuine Ceylon Sapphire Certified by C.Dunaigre. The Sapphire color is a medium to rich blue and has a lot of sparkle.

An exceptional statement of rarity and brilliance, this remarkable ring centers on a 3.06 carat natural Mozambique ruby of extraordinary presence and color. Certified by C. Dunaigre ...

Showcasing a gorgeous cushion 10.16ct Genuine Emerald Certified by C.Dunaigre as Colombian origin. Based on emerald grading methodology the clarity of the emerald is vvs1-vvs2 with m...

The emerald is elegantly cut in an octagonal step cut, showcasing remarkable depth, transparency, and rich saturation associated with the finest Colombian stones. Certified by C. Du...

Crafted in platinum/18k white gold (adjust if needed), the ring embodies sophisticated understated luxury and classic high-jewelry design. Accompanied by a C. Dunaigre Switzerland g...

At the heart of the piece sits a 4 carat natural emerald, documented in a gemstone report by C. Dunaigre Switzerland. The stone displays a rich vivid green hue, one of the most desir...

The emerald is accompanied by a gemstone report from C. Dunaigre Consulting, Switzerland, identifying it as a natural emerald of Colombian origin, with minor clarity enhancement, a s...

This refined high-jewelry ring showcases a natural cushion-shaped blue sapphire weighing 4.06 carats, certified by C. Dunaigre Consulting GmbH. The sapphire displays an elegant, viv...

The sapphire is certified by C. Dunaigre (Report no. CDC 21081361) as a natural sapphire of Sri Lankan (Ceylon) origin, with no indications of heating, weighing 8.10 carats, cushion-...

Emerald - Weight: 3.87 carats - Size: 10.44x8.31x6.66mm - Cut: Brilliant/step - Shape: Cushion - Color: Vivid green - Oil: Insignificant - GRS Certified (Report attached to images) -...

Accompanied by individual C. Dunaigre Switzerland gemstone reports confirming the emeralds as natural beryl of Colombian origin with indications of minor clarity enhancement, the sta...

Crafted in platinum and accented with yellow gold prongs, the design combines timeless sophistication with contemporary elegance. Accompanied by a C. Dunaigre Switzerland gemstone r...

An exceptional and highly desirable natural sapphire ring, centered with a remarkable 9.76 carat unheated blue sapphire of Sri Lankan (Ceylon) origin, certified by C. Dunaigre Switze...

Showcasing a gorgeous cushion 11.49ct Genuine Emerald Certified by C.Dunaigre. The emerald color is certified as Vivid Green which is the most desirable color.

Emilio Jewelry Certified Vivid Green 17.08 Carat Emerald Diamond Ring Showcasing a gorgeous Emerald cut Genuine Emerald Certified by C.Dunaigre. The emerald color is certified as Viv...

Showcasing a gorgeous oval cut 16.27ct Genuine Emerald Certified by C.Dunaigre. The emerald color is certified as Vivid green, the most desirable color in emeralds.

This striking high-jewelry ring centers on an exceptional 11.06 carat heart-shaped emerald, identified as natural beryl (emerald) and certified by C. Dunaigre Consulting GmbH. The e...

Emilio Jewelry Certified 6.70 Carat Vivid Green Colombian Emerald Earrings Showcasing a gorgeous pear of pear shape Genuine colombian Emeralds weighing 5.45cts Certified by C.Dunaigr...

Showcasing a gorgeous 3.96ct pear shape Genuine Emerald Certified by C. Dunaigre as minor oil and of Colombian origin.

Showcasing a gorgeous pear shape 2.66ct Genuine Emerald Certified by C.Dunaigre. The emerald color is certified as Vivid green, the most desirable color in emeralds.

Suspended from a delicate yellow gold chain, the minimalist design emphasizes the impressive gemstone and creates a sophisticated look suitable for both everyday luxury and formal oc...

If you require all Platinum we can do that, Includes Gemstone Report by C.Dunaigre, Switzerland. For your piece of mind we are a proud Top Selling dealer on 1stdibs with 5 star rev...

A bold and sophisticated ring centered by a remarkable 13.38 carat natural sapphire, accompanied by a gemstone report from C. Dunaigre Switzerland. The sapphire displays a rich and ...

This striking pendant necklace features a natural heart-shaped emerald weighing 13.00 carats, beautifully set in 18K white gold and accompanied by an independent gemstone report issu...

The emerald is accompanied by a C. Dunaigre Switzerland gemstone report #CDC 1501433 dated February 2, 2015.

At the heart of the design is a 6.39-carat oval aquamarine, prized for its exceptional clarity and vivid blue hue. The gem is graded by C. Dunaigre as having a natural beryl composit...

The emerald's vivid green hue, confirmed by a C. Dunaigre and Gubelin report, is a testament to its rarity and exclusivity.

The centerpiece is beautifully surrounded by a halo of brilliant-cut diamonds, amplifying the ruby’s natural allure and elegance. Accompanied by a C. Dunaigre certificate, this exqui...

All the emeralds are certified by C. Dunaigre Switzerland Colombian provenance, Imperial Green with insignificant to minor treatment.

This pink is of Madagascar origin, accompanied by a C. Dunaigre laboratory report no. CDC 1401279.

Showcasing an emerald cut 16.14ct Genuine Emerald certified by C.Dunaigre as intense Green color. Based on emerald grading methodology the clarity of the emerald is Internally flawle...