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Old Cut Diamond

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35 Carat Platinum Old-Cut Round Diamond Openwork Bracelet
35 Carat Platinum Old-Cut Round Diamond Openwork Bracelet

35 Carat Platinum Old-Cut Round Diamond Openwork Bracelet

Located in New York, NY

Crafted in 1940's this is a platinum openwork bracelet set with 316 old-cut diamonds. This

Category

20th Century Unknown Modern Modern Bracelets

Materials

Diamond, Platinum

Antique 3.12ct Old Cut Bezel Set Diamond Ring in 18k Yellow Gold
Antique 3.12ct Old Cut Bezel Set Diamond Ring in 18k Yellow Gold

Antique 3.12ct Old Cut Bezel Set Diamond Ring in 18k Yellow Gold

Located in London, GB

A beautiful antique 3.12ct old cut bezel set diamond ring set in 18k yellow gold. The piece is

Category

Antique Early 1900s British Modern Cocktail Rings

Materials

Diamond, 18k Gold, Yellow Gold

Exceptional gold ring with a diamond in an old brilliant cut 0.89 ct.
Exceptional gold ring with a diamond in an old brilliant cut 0.89 ct.

Exceptional gold ring with a diamond in an old brilliant cut 0.89 ct.

Located in Chorzów, PL

Solitaire ring with an old-cut diamond. The ring is crafted from 14-karat yellow gold (0.585

Category

Early 20th Century European Art Deco Solitaire Rings

Materials

Diamond, Gold, 14k Gold, Platinum

1.28ct Old Mine Cut Diamond Platinum Engagement Ring
1.28ct Old Mine Cut Diamond Platinum Engagement Ring

1.28ct Old Mine Cut Diamond Platinum Engagement Ring

By Tobi Gem Setting

Located in London, GB

brings together an old cut diamond with a more modern, vintage-style ring. A gorgeous original 1.28ct

Category

2010s English Engagement Rings

Materials

Diamond, Platinum

PANIM Three Piece Old Mine Cut Diamond 18k White Gold Ring
PANIM Three Piece Old Mine Cut Diamond 18k White Gold Ring

PANIM Three Piece Old Mine Cut Diamond 18k White Gold Ring

By PANIM

Located in Tsim Sha Tsui, Hong Kong

PANIM Three Piece Old Mine Cut Diamond 18k White Gold Ring A stunning 18k white gold three stone

Category

21st Century and Contemporary Indian Modern Three-Stone Rings

Materials

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

Boucheron 5.03 Carat Old European Cut Diamond Ring, circa 1925
Boucheron 5.03 Carat Old European Cut Diamond Ring, circa 1925

Boucheron 5.03 Carat Old European Cut Diamond Ring, circa 1925

By Boucheron

Located in London, GB

Boucheron old cut diamond ring. Set with an impressive round old cut diamond, E colour, VS2 clarity

Category

Vintage 1920s French Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Ruby and Old-Cut ring
Antique Ruby and Old-Cut ring

Antique Ruby and Old-Cut ring

Located in Firenze, FI

( Thailand ) and central old-cut diamond of the weight 0.90 carats .

Category

Vintage 1930s Artisan Cocktail Rings

Materials

Ruby, 10k Gold, Silver

Antique Platinum 2.26ctw Old European Cut Diamond Palmette Drop Earrings
Antique Platinum 2.26ctw Old European Cut Diamond Palmette Drop Earrings

Antique Platinum 2.26ctw Old European Cut Diamond Palmette Drop Earrings

Located in Staines-Upon-Thames, GB

A pair of antique diamond, platinum, and white gold earrings, each comprising twenty-six old cut

Category

Early 20th Century British Edwardian Drop Earrings

Materials

Diamond, White Gold, Platinum

Deco old cut and rose cut diamond drop earrings
Deco old cut and rose cut diamond drop earrings

Deco old cut and rose cut diamond drop earrings

Located in Milano, MI

setting - Old cut and rose cut diamonds - Lever back fastening Measurements - Length 3cm x width 0.9cm

Category

Vintage 1920s Lever-Back Earrings

Materials

Diamond, 18k Gold

Antique Circa 1900s 18k Gold Natural Old Cut And Rose Cut Diamond Brooch
Antique Circa 1900s 18k Gold Natural Old Cut And Rose Cut Diamond Brooch

Antique Circa 1900s 18k Gold Natural Old Cut And Rose Cut Diamond Brooch

Located in Fatih/İstanbul, 34

In very good condition. Total weight is 3.7 grams. Totally is old cut diamond 0.25 ct. Totally is

Category

Antique Early 1900s European Victorian Brooches

Materials

Diamond, 18k Gold

Vintage Diamond Starburst Ring Old Cut White Gold
Vintage Diamond Starburst Ring Old Cut White Gold

Vintage Diamond Starburst Ring Old Cut White Gold

Located in Chicago, IL

approximately 2.70 carats total weight of natural diamonds. At its center sits a commanding old cut diamond

Category

Mid-20th Century American Retro Cocktail Rings

Materials

Diamond, White Gold

Hancocks 2.49ct Old European Cut Diamond Ring
Hancocks 2.49ct Old European Cut Diamond Ring

Hancocks 2.49ct Old European Cut Diamond Ring

By Hancocks

Located in London, GB

Maker: Hancocks Summary: 2.49ct Old European Cut Diamond Ring Description: 2.49ct I VS2 Old

Category

21st Century and Contemporary British Engagement Rings

Materials

White Diamond, Platinum

1.88 Carat Old European Cut Diamond Stud Earrings
1.88 Carat Old European Cut Diamond Stud Earrings

1.88 Carat Old European Cut Diamond Stud Earrings

Located in Montgomery, AL

We are always searching for vintage old cut diamonds. Finding a matched pair made into studs is

Category

20th Century Stud Earrings

Materials

Diamond, Gold, 14k Gold, White Gold

Antique Old Mine Cut Diamond Gold Locket Pendant
Antique Old Mine Cut Diamond Gold Locket Pendant

Antique Old Mine Cut Diamond Gold Locket Pendant

Located in Cairo, EG

Antique russian 14k gold locket pendant in anchour old cut diamond designe on front with estimate

Category

Antique Early 1900s Pendant Necklaces

Platinum & Gold Art Nouveau Antique Pendant 2.70 Ct Old Mine Cut Diamonds
Platinum & Gold Art Nouveau Antique Pendant 2.70 Ct Old Mine Cut Diamonds

Platinum & Gold Art Nouveau Antique Pendant 2.70 Ct Old Mine Cut Diamonds

Located in Antwerp, BE

Platinum & Gold Art Nouveau Antique Pendant With 2.70 ct Old Mine Cut Diamonds Diamonds: Old cut

Category

Antique 19th Century European Art Nouveau More Necklaces

Materials

Diamond, 18k Gold, Gold, Platinum

Antique 3.42 Carat Old Cushion Cut Diamond Engagement Ring, circa 1910
Antique 3.42 Carat Old Cushion Cut Diamond Engagement Ring, circa 1910

Antique 3.42 Carat Old Cushion Cut Diamond Engagement Ring, circa 1910

Located in London, GB

Beautiful antique engagement ring set with a cushion shaped old cut diamond weighing 3.42 carats

Category

Vintage 1910s English Edwardian Engagement Rings

Materials

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

Art Deco 14K Gold Bar Brooch with Old-Cut and Rose-Cut Diamonds
Art Deco 14K Gold Bar Brooch with Old-Cut and Rose-Cut Diamonds

Art Deco 14K Gold Bar Brooch with Old-Cut and Rose-Cut Diamonds

Located in Rotterdam, NL

Central Stone: Old-cut diamond, approx. 0.2 ct Accent Stones: Rose-cut diamonds set in loop motifs

Category

Early 20th Century European Art Deco Brooches

Materials

Diamond, 14k Gold

Antique French Old Mine Cut Diamond Gold Bangle Braclete
Antique French Old Mine Cut Diamond Gold Bangle Braclete

Antique French Old Mine Cut Diamond Gold Bangle Braclete

Located in Cairo, EG

Antique french 14k white gold old cut diamond cuff bracelete with estimate weight of 5 carats H

Category

Antique Early 1900s Cuff Bracelets

Antique Diamond and Emerald Ring Old European Cuts 1.50 Carat
Antique Diamond and Emerald Ring Old European Cuts 1.50 Carat

Antique Diamond and Emerald Ring Old European Cuts 1.50 Carat

Located in San Diego, CA

Cut 0.98 cts F color, SI1 clarity Accent Diamonds: 16 Old Cut Diamonds F color, SI clarity Emeralds

Category

21st Century and Contemporary Art Deco Bridal Rings

Materials

Diamond, Emerald, 14k Gold, White Gold, Platinum

Edwardian 2.26ct Old Mine Cut Diamond Platinum Engagement Ring, Circa 1910
Edwardian 2.26ct Old Mine Cut Diamond Platinum Engagement Ring, Circa 1910

Edwardian 2.26ct Old Mine Cut Diamond Platinum Engagement Ring, Circa 1910

Located in London, GB

This original antique engagement ring features a beautiful old mine cushion cut diamond weighing

Category

Vintage 1910s English Edwardian Engagement Rings

Materials

Diamond, Platinum

Old European Diamond Green Emeralds 1.80 Carat Old European Cut Diamond Ring
Old European Diamond Green Emeralds 1.80 Carat Old European Cut Diamond Ring

Old European Diamond Green Emeralds 1.80 Carat Old European Cut Diamond Ring

Located in Chicago, IL

old cut diamond center and spring green calibre cut emerald accents! Highlights: - 1.89ct EGL-USA

Category

Vintage 1940s Italian Art Deco Engagement Rings

Materials

Diamond, White Diamond, Emerald, Platinum

Vintage Old-Cut 0.75 Carats E VS1 Diamond and Platinum Solitaire Ring
Vintage Old-Cut 0.75 Carats E VS1 Diamond and Platinum Solitaire Ring

Vintage Old-Cut 0.75 Carats E VS1 Diamond and Platinum Solitaire Ring

Located in London, GB

A vintage diamond ring set with an old-cut diamond weighing 0.75 carats, of E colour and VS1

Category

Vintage 1940s American Engagement Rings

Materials

Diamond, Platinum

French marquise cluster diamond ring,  18K yellow gold 1.50 ct old-cut
French marquise cluster diamond ring,  18K yellow gold 1.50 ct old-cut

French marquise cluster diamond ring, 18K yellow gold 1.50 ct old-cut

Located in MONTMORENCY, FR

elegant ring presents fifteen old-cut diamonds set closely together to create a luminous, elongated

Category

Antique Late 19th Century French Victorian Cluster Rings

Materials

Diamond, Yellow Gold

Art Deco Old European Cut Diamond Engagement Ring
Art Deco Old European Cut Diamond Engagement Ring

Art Deco Old European Cut Diamond Engagement Ring

Located in New York, NY

milligrain work throughout the gallery and shank. Embellished by small round old cut diamonds, the center Old

Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Diamond and Silver-Upon-Gold Flower Earrings Circa 1880, 9.00 Carats
Antique Diamond and Silver-Upon-Gold Flower Earrings Circa 1880, 9.00 Carats

Antique Diamond and Silver-Upon-Gold Flower Earrings Circa 1880, 9.00 Carats

Located in London, GB

A pair of antique diamond flower earrings, set with approximately 9.00ct of old-cut diamonds, in

Category

Antique 1880s Victorian More Earrings

Materials

Diamond, Gold, Silver

Diamond Bow Motif Earrings with Old Cut and Baguette Diamonds
Diamond Bow Motif Earrings with Old Cut and Baguette Diamonds

Diamond Bow Motif Earrings with Old Cut and Baguette Diamonds

Located in New York, NY

Diamond Bow Motif Earrings with Old Cut and Baguette Diamonds Description: A sculptural and

Category

20th Century Unknown Retro Drop Earrings

Materials

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

Retro lily of the valley diamond brooch, 18k flower with old mine cut
Retro lily of the valley diamond brooch, 18k flower with old mine cut

Retro lily of the valley diamond brooch, 18k flower with old mine cut

Located in PARIS, FR

valley set with old-cut diamonds, including seven diamonds for the flowers and eleven diamonds for the

Category

Vintage 1940s French Retro Brooches

Materials

Diamond, 18k Gold, White Gold

Victorian 0.85ct Old Cushion Cut Diamond Signet Ring, 1880s.
Victorian 0.85ct Old Cushion Cut Diamond Signet Ring, 1880s.

Victorian 0.85ct Old Cushion Cut Diamond Signet Ring, 1880s.

Located in London, GB

This Victorian signet ring centres around a characterful old cushion cut diamond. The 0.85 carat

Category

Antique 1880s Unknown Victorian Signet Rings

Materials

Diamond, 18k Gold, Yellow Gold, Silver

Antique Old Mine Cut Diamond Sapphire and Ruby Gold Ring
Antique Old Mine Cut Diamond Sapphire and Ruby Gold Ring

Antique Old Mine Cut Diamond Sapphire and Ruby Gold Ring

Located in Cairo, EG

Antique 14k gold ring centered with 3 large stones Old mine cut diamond H colour white vs clearity

Category

Vintage 1910s Cluster Rings

Antique 1.60 Carat Old Diamond Heart Ring
Antique 1.60 Carat Old Diamond Heart Ring

Antique 1.60 Carat Old Diamond Heart Ring

Located in London, GB

This is a Vintage diamond heart ring. The ring has been set with a large central old cut diamond

Category

Antique 19th Century Victorian Cluster Rings

Materials

Diamond, 18k Gold, Yellow Gold, Silver

French Antique Fraumont Diamond, Silver and Gold Necklace and Earrings Suite
French Antique Fraumont Diamond, Silver and Gold Necklace and Earrings Suite

French Antique Fraumont Diamond, Silver and Gold Necklace and Earrings Suite

Located in London, GB

old-cut diamonds, with three suspended old-cut diamond drops, the necklace is set with bars of grain

Category

Antique 1850s French Napoleon III Pendant Necklaces

Materials

Diamond, Gold, Silver

Diamond Club Brooch, late 19th Century
Diamond Club Brooch, late 19th Century

Diamond Club Brooch, late 19th Century

Located in London, GB

rose-cut and old-cut diamonds, the estimated weight of the old-cut diamond is 0.3 carats, G-H colour

Category

Antique Late 19th Century Brooches

Materials

Diamond

0.40ct Diamond Old Cut Solitaire Engagement Ring In 18ct Yellow Gold
0.40ct Diamond Old Cut Solitaire Engagement Ring In 18ct Yellow Gold

0.40ct Diamond Old Cut Solitaire Engagement Ring In 18ct Yellow Gold

Located in London, GB

0.40ct Diamond Old Cut Solitaire Engagement Ring In 18ct Yellow Gold 0.40ct Old cut diamond round

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Yellow Gold

GIA Cert. 5.01 Carat Old Euro Cut Diamond Edwardian Antique Platinum Ring
GIA Cert. 5.01 Carat Old Euro Cut Diamond Edwardian Antique Platinum Ring

GIA Cert. 5.01 Carat Old Euro Cut Diamond Edwardian Antique Platinum Ring

Located in Miami, FL

European cut diamond surrounded by a dazzling halo of 38 old-cut cascading diamonds. Details: Item Type

Category

Antique Early 1900s Edwardian Engagement Rings

Materials

Diamond, Platinum

An Antique 18K Gold and Diamond Cluster Ring
An Antique 18K Gold and Diamond Cluster Ring

An Antique 18K Gold and Diamond Cluster Ring

Located in Amsterdam, NL

An 18k rose gold cluster ring featuring an old-cut diamond (0.91 carats, G, VS1) with an entourage

Category

Antique 1890s French Victorian Cluster Rings

Materials

Diamond, 18k Gold

Old Cut Three-Stone Twist 18 Carat Gold and Platinum Ring, circa 1920s
Old Cut Three-Stone Twist 18 Carat Gold and Platinum Ring, circa 1920s

Old Cut Three-Stone Twist 18 Carat Gold and Platinum Ring, circa 1920s

Located in London, GB

Original antique twist engagement ring set with three old cut diamonds weighing approximately

Category

Vintage 1920s English Art Deco Three-Stone Rings

Materials

Diamond, Gold, 18k Gold, Platinum

Antique Star Diamond Dangle Earrings
Antique Star Diamond Dangle Earrings

Antique Star Diamond Dangle Earrings

$3,758

W 0.99 in L 0.99 in

Antique Star Diamond Dangle Earrings

Located in London, GB

Antique platinum and old cut diamond stud earrings with a suspended star-shaped pendant consisting

Category

20th Century Dangle Earrings

Materials

Diamond, Platinum

2.44 Carat Three Stone Old European Cut Diamond Gypsy Set Ring
2.44 Carat Three Stone Old European Cut Diamond Gypsy Set Ring

2.44 Carat Three Stone Old European Cut Diamond Gypsy Set Ring

Located in Chicago, IL

This gorgeous gypsy ring contains three burnish set old cut diamonds with the center old mine cut

Category

Vintage 1960s Three-Stone Rings

Materials

Diamond, 14k Gold, Yellow Gold

GIA Certified Paraiba Tourmaline and Old Mine Cut Diamond Pendant Necklace
GIA Certified Paraiba Tourmaline and Old Mine Cut Diamond Pendant Necklace

GIA Certified Paraiba Tourmaline and Old Mine Cut Diamond Pendant Necklace

Located in beverly hills, CA

, surrounded by a combination of old cut diamonds and rose cut heart and round diamonds. These diamonds form a

Category

21st Century and Contemporary Drop Necklaces

Materials

Diamond, Tourmaline, Paraiba, 14k Gold, Rose Gold

Antique 3 Carats French Old Mine Cut Gold Earrings
Antique 3 Carats French Old Mine Cut Gold Earrings

Antique 3 Carats French Old Mine Cut Gold Earrings

Located in Cairo, EG

Antique french 18k gold earrings topped with silver floral designe with an estimate old cut diamond

Category

Antique 1880s Dangle Earrings

Edwardian Old European Cut Diamond and Ruby Plaque Ring 14k Rose Gold
Edwardian Old European Cut Diamond and Ruby Plaque Ring 14k Rose Gold

Edwardian Old European Cut Diamond and Ruby Plaque Ring 14k Rose Gold

Located in beverly hills, CA

design is an old cut diamond, approximately 0.45 carats, with F-G color and VS clarity. Surrounding the

Category

Early 20th Century Edwardian Cocktail Rings

Materials

Diamond, Ruby, Rose Gold

Drop Earrings 2.10ct Old Brilliant Cut Diamonds Circa 1930s
Drop Earrings 2.10ct Old Brilliant Cut Diamonds Circa 1930s

Drop Earrings 2.10ct Old Brilliant Cut Diamonds Circa 1930s

Located in Firenze, IT

The earrings are set with "old" brilliant-cut diamonds weighing approximately 2.10 ct. The

Category

Early 20th Century Italian Art Nouveau Drop Earrings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Old Original Vintage Circa 1960s Platinum Natural Diamond Decorated Ring
Old Original Vintage Circa 1960s Platinum Natural Diamond Decorated Ring

Old Original Vintage Circa 1960s Platinum Natural Diamond Decorated Ring

Located in Fatih/İstanbul, 34

In very good condition. Total weight is 4.9 grams. Totally is center old cut diamond about 0.45 ct

Category

Vintage 1960s European Retro Cluster Rings

Materials

Diamond, Platinum

Gold and Silver Earrings with Diamonds
Gold and Silver Earrings with Diamonds

Gold and Silver Earrings with Diamonds

Located in Amsterdam, NL

diamonds on the hook and a detachable pear shaped element of old cut diamonds, descending in size and one

Category

Antique 19th Century French Dangle Earrings

Materials

Diamond, Rose Gold, Gold, Silver

1950s Art Deco Platinum Diamond & Ruby Ring — Old Cut ~0.60 ct
1950s Art Deco Platinum Diamond & Ruby Ring — Old Cut ~0.60 ct

1950s Art Deco Platinum Diamond & Ruby Ring — Old Cut ~0.60 ct

Located in MONTMORENCY, FR

luminous sparkle. At its heart sits an old-cut diamond (estimated ~0.60 carat) bezel-set within a square

Category

Mid-20th Century French Art Deco Cocktail Rings

Materials

Diamond, Ruby, Platinum

Vintage White Gold 1.26tcw Old Euro Cut Diamond Bow Ring
Vintage White Gold 1.26tcw Old Euro Cut Diamond Bow Ring

Vintage White Gold 1.26tcw Old Euro Cut Diamond Bow Ring

Located in New York, NY

diamonds, arranged in an elegant bow motif. The old cut diamonds display soft brilliance and depth

Category

20th Century Engagement Rings

Materials

Diamond, White Gold

Elegant Art Deco Necklace with Diamonds
Elegant Art Deco Necklace with Diamonds

Elegant Art Deco Necklace with Diamonds

Located in Milano, MI

cut and old cut diamonds. Highlights - 18ct gold and platinum - Rose cut and old cut diamonds

Category

Vintage 1920s Art Deco Drop Necklaces

Materials

Diamond, 18k Gold, Platinum

Victorian Diamond Crescent Brooch, with Sapphire, Ruby and Diamond Inserts
Victorian Diamond Crescent Brooch, with Sapphire, Ruby and Diamond Inserts

Victorian Diamond Crescent Brooch, with Sapphire, Ruby and Diamond Inserts

Located in London, GB

, removable, old-cut diamond and ruby inserts, with the sapphire and the rubies mounted in gold and the

Category

Antique 1890s British Victorian Brooches

Materials

Diamond, Ruby, Sapphire, Gold, Silver

Art Deco Diamond and Platinum Drop Earrings, Circa 1920
Art Deco Diamond and Platinum Drop Earrings, Circa 1920

Art Deco Diamond and Platinum Drop Earrings, Circa 1920

Located in London, GB

baguette and old-cut diamonds, in rub over and grain settings, with three, old-cut diamonds suspended below

Category

Vintage 1920s European Art Deco Drop Earrings

Materials

Diamond, Platinum

Late Victorian 1.45 Carat Old Cut Five-Stone Diamond Ring, circa 1900s
Late Victorian 1.45 Carat Old Cut Five-Stone Diamond Ring, circa 1900s

Late Victorian 1.45 Carat Old Cut Five-Stone Diamond Ring, circa 1900s

Located in London, GB

From the late Victorian years comes this five stone old cut diamond ring centring a 0.45 carat

Category

Antique Early 1900s Unknown Victorian Engagement Rings

Materials

Diamond, 18k Gold

Edwardian 0.60 Carat Diamond Cluster Ring, circa 1910s
Edwardian 0.60 Carat Diamond Cluster Ring, circa 1910s

Edwardian 0.60 Carat Diamond Cluster Ring, circa 1910s

Located in London, GB

This pretty Edwardian ring features old cut diamonds in a delicate pattern. The centre old cut

Category

Vintage 1910s Unknown Edwardian Cluster Rings

Materials

Diamond, 18k Gold, Platinum

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Old Cut Diamond For Sale on 1stDibs

Surely you’ll find the exact old cut diamond you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Each design created in this style — which was crafted with great care and often made from Gold, Platinum and 18k Gold — can elevate any look. You can easily find a 4135 antique edition and 972 modern creations to choose from as well. If you’re looking for an old cut diamond from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 18th Century while another version may have been produced as recently as the 21st Century. For this particular accessory, there are many different carat weights to choose from, but .5 Carat and 1 Carat versions are of considerable interest. An old cut diamond from Single Stone, Hancocks and Mark Broumand — each of whom created a beautiful version of this treasured accessory — is worth considering. Today, if you’re looking for an old european cut version of this piece and are unable to find the perfect match, our selection also includes old mine cut and round cut alternatives. If you’re browsing our inventory for an old cut diamond, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is an Old Cut Diamond?

On average, an old cut diamond at 1stDibs sells for $7,495, while they’re typically $200 on the low end and $1,400,000 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 ringsvintage engagement rings or Art Deco engagement rings

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