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Tiffany Co. Yellow Gold Schlumberger Green Enamel Diamond Bracelet
By Jean Schlumberger for Tiffany Co.
Located in New York, NY
Designed as a dark green paillonne enamel hinged bangle, decorated with collet-set diamonds and
Category

20th Century American Modern Bangles

Materials

Diamond, Yellow Gold, Enamel

JAEGER LECOULTRE Art Deco Platinum, Sapphire and Diamond Watch.
By Jaeger-LeCoultre
Located in New York, NY
diamonds in total weigh approximately 11.10 carats. The diamonds and sapphires are collet set and pave in
Category

Early 20th Century Swiss Art Deco Wrist Watches

Materials

Diamond, Sapphire, Platinum

Rene Boivin Yellow Gold Diamond and Ruby Retro Jabot Pin
By René Boivin
Located in Beverly Hills, CA
accented by 6 rose-cut diamonds, edged by 6 collet-set cushion-shaped intensely red rubies. Dimensions: 2
Category

Vintage 1940s French Retro Brooches

Materials

Diamond, Ruby, 18k Gold

Art Deco 0.55ct Diamond Solitaire Ring, c.1920s
Located in London, GB
glitters, at its centre, claw set in a platinum collet. The diamond has a colour of G and clarity of SI2. A
Category

Vintage 1920s British Art Deco Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

19th century sapphire and diamond cluster ring, English c.1880
Located in Firenze, IT
claw set with an oval faceted sapphire, bordered by cushion cut diamonds, cut-down collet set
Category

Antique Late 19th Century English Victorian Cluster Rings

Materials

Diamond, Sapphire, 18k Gold

Georgian 15kt / Sterling Table Cut Diamond Cross 3ctw
Located in Narberth, PA
diamonds within silver-topped collet settings. The diamonds, weighing an approximate 3ctw, are absolutely
Category

Antique 1750s English Georgian Necklace Enhancers

Materials

Diamond, 15k Gold, Sterling Silver, Mixed Metal

Antique 1.25Ct Sapphire 2.34Ct Diamond and Platinum Brooch Circa 1925
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive 1.25 carat sapphire and 2.34 carat diamond, platinum brooch; part of our
Category

Vintage 1920s Brooches

Materials

Diamond, Sapphire, Platinum

GIA Certified Platinum Old Mine Brilliant Cut Diamond Engagement Ring 2.71 Carat
Located in Mayfair, London, London
bespoke platinum 4 claw setting featuring pave set round brilliant cut diamonds throughout the collet. The
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, Platinum

Victorian Diamond, Ruby, Sapphire and Gold Bar Brooch
Located in Jesmond, Newcastle Upon Tyne
Old European round cut diamond, individually collet set to the design. The terminals of the bar
Category

Antique Early 1900s Unknown Brooches

Materials

Diamond, Ruby, Sapphire, Blue Sapphire, Platinum, Gold, 15k Gold, Yellow...

Ladies Platinum Diamond Cocktail manual wind Wristwatch, 1930s
Located in Jesmond, Newcastle Upon Tyne
eight-cut diamonds and six collet set baguette cut diamonds. The sides of the platinum watch case are
Category

Vintage 1930s British Art Deco Wrist Watches

Materials

Diamond, Platinum

Antique Art Deco 11.75Ct Diamond and Platinum Bracelet Circa 1920
Located in Jesmond, Newcastle Upon Tyne
addition to a collet set trapezoid cut diamond terminating the aforementioned linear formation. The
Category

Vintage 1920s Art Deco Link Bracelets

Materials

Diamond, Platinum

Amethyst Diamond Ring 11 Carats, Victorian Circa 1890s Unisex
Located in Northampton, MA
, each set into its own silver collet. Together the diamonds weigh approximately .50 carats -but it's
Category

Antique 1880s Unknown Victorian Cocktail Rings

Materials

Diamond, Amethyst, 15k Gold

Art Deco 1.85 Carat Carre Cut Diamond Ring, circa 1920s
Located in London, GB
collet. The sparkling diamond weigh 1.85 carats and has been certified by an independent company called
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, 18k Gold

Victorian Colombian Emerald and Diamond Three-Stone, circa 1900s
Located in London, GB
made collets. The diamonds are set within platinum, whilst the Emerald is in 18 carat yellow gold
Category

Antique Early 1900s Unknown Victorian Three-Stone Rings

Materials

Diamond, Emerald, 18k Gold, Platinum

Antique Art Deco 12.64 Carat Diamond and Platinum Brooch
Located in Jesmond, Newcastle Upon Tyne
pavé set and twenty individually collet set diamonds, in a combination of transitional modern brilliant
Category

Vintage 1930s Unknown Art Deco Brooches

Materials

Diamond, Platinum

1910s Antique Diamond and Yellow Gold Marquise Ring
Located in Jesmond, Newcastle Upon Tyne
decorated marquise shaped frame displays three feature Old European round cut diamonds independently collet
Category

Vintage 1910s Cocktail Rings

Materials

Diamond, 18k Gold, Yellow Gold

Antique 16.31ct Ceylon Sapphire and Diamond Platinum Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
scalloped border is encircled by a further sixteen impressive individually collet set diamonds. The subtly
Category

Vintage 1930s Cocktail Rings

Materials

Diamond, Sapphire, Platinum

1920s 1.50 Carat Diamond and Platinum Solitaire Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
cut, a mine cut and two eight cut diamonds in a combination of collet and pavé settings. The plain
Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

Late Deco Diamond Three-Stone Twist Ring, circa 1940s
Located in London, GB
shoulders are grain set with rose cut diamonds. All the collets are made in platinum whilst shank is in 18
Category

Vintage 1940s Unknown Art Deco Engagement Rings

Materials

Diamond, 18k Gold, Platinum

Tiffany Co. Schlumberger Platinum, Yellow Gold Black Enamel Diamond Bracelet
By Jean Schlumberger for Tiffany Co.
Located in New York, NY
with 108 collet-set round diamonds approximately 5.60 cts., signed Tiffany & Co., Schlumberger, France
Category

20th Century French Modern Bangles

Materials

Diamond, Yellow Gold, Platinum, Enamel

Antique 1.55 Carat Diamond and White Gold Butterfly Brooch
Located in Jesmond, Newcastle Upon Tyne
, in addition to two further collet set diamonds representing the eyes. The brooch secures to the
Category

Vintage 1920s Unknown Brooches

Materials

Diamond, 15k Gold, White Gold

1910s Antique Ruby, Diamond, Pearl and White Gold Pendant
Located in Jesmond, Newcastle Upon Tyne
round cut diamond individually collet set within a millegrain decorated frame. The feature diamond is
Category

Early 20th Century Unknown Pendant Necklaces

Materials

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

Bulgari Pink and Blue Sapphire and Diamond Ring
By Bulgari
Located in New York, NY
BULGARI Pink & Blue Sapphire & Diamond ring, collet-set with a heart shaped sapphire stated to
Category

Antique 15th Century and Earlier Italian Artist Fashion Rings

Materials

Diamond, Blue Sapphire, Pink Sapphire, 18k Gold

21st Century 2.55 Carats Fancy Yellow Pink Diamond 18k Gold Link Bracelet
Located in Miami, FL
his diamond bracelet of unsurpassed refinement and delicate aesthetic is crafted in 18K pink
Category

21st Century and Contemporary American Modern Tennis Bracelets

Materials

Yellow Diamond, Pink Diamond, 18k Gold

Antique Victorian Natural Pearl and Diamond Cluster Earrings, C 1880
Located in Firenze, IT
back claw and grain settings and 8 smaller rose cuts in raised collets, 44 diamonds total with a
Category

Antique 1880s European Victorian Lever-Back Earrings

Materials

Diamond, Pearl, 18k Gold

Georgian Diamond Chandelier Earrings
Located in Stamford, CT
collet. Beneath each diamond is a paper thin slice of metal or foil, typical of the manner in which
Category

English Chandelier Earrings

Late Deco 1.10 Carat Diamond Solitaire Engagement Ring, circa 1940s
Located in London, GB
cushion cut diamond in the centre. Set within a double pronged collet, the dazzling diamond weighs 1.10
Category

Vintage 1940s Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

Antique Victorian 3.20 Carat Diamond and Silver Set Pendant
Located in Jesmond, Newcastle Upon Tyne
feature collet set 0.88Ct Old European cut diamond. The surrounding petal and leaf shaped settings are
Category

Antique 1880s Unknown Victorian Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold, Silver

Edwardian Seed Pearl and Diamond Choker with Earrings En Suite
Located in New York, NY
diamond plaque with diamond-set collets and leaves, bordered by four vertical diamond spacers (atw. 2.22
Category

20th Century British Edwardian Choker Necklaces

Materials

Diamond, Natural Pearl, Platinum

Pearl and Diamond Drop Pendant in 18 Karat White Gold
Located in London, England
set in a collet which leads to a square four diamond set collet. Approximately 16" in length for the
Category

21st Century and Contemporary British Contemporary Pendant Necklaces

Materials

Diamond, Cultured Pearl, 18k Gold, White Gold

Antique and Contemporary 4.88 Carat Diamond and Platinum Halo Ring
Located in Jesmond, Newcastle Upon Tyne
, contemporary setting features an antique 4.16ct Old European cushion cut diamond (circa 1890) collet set to the
Category

Antique 1890s Unknown Engagement Rings

Materials

Diamond, Platinum

GIA Certified Boodles 3.02 Carat D/VS2 Oval Cut Diamond Platinum Ring
By Boodles
Located in Mayfair, London, London
An exquisite diamond ring in platinum by Boodles. Set to the centre with a 3.02ct oval cut diamond
Category

Early 2000s Engagement Rings

Materials

Diamond, Platinum

1.68 Carat Diamond and Sapphire Target Ring Platinum and Yellow Gold
Located in London, England
18-karat yellow gold. The ring's collet features a GIA-certified emerald-cut diamond millegrain-set
Category

20th Century British Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

1920s Antique Diamond and Yellow Gold Platinum Set Bracelet
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive antique 0.51 carat diamond and 9 karat yellow gold, platinum set bracelet
Category

Vintage 1920s Unknown Link Bracelets

Materials

Diamond, 9k Gold, Yellow Gold, Platinum

Aquamarine and Diamond Floral Necklace Set in 18 Karat White Gold
Located in London, England
round faceted aquamarine center with eight-cut diamond petals set in shaped collets. The necklace
Category

2010s Unknown Modern Drop Necklaces

Materials

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

Attilio Codognato Enamel Diamond Ruby gold Skull Shell Memento Mori Ring
By Attilio Codognato
Located in Firenze, IT
diamonds eyes and square shape collet set ruby. Mounted in 18Kt gold Signed A. Codognato Venezia
Category

Vintage 1980s Italian Fashion Rings

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Pearl, 0.34 ct Ruby and 0.18 ct Diamond and 9k Yellow Gold Brooch
Located in Jesmond, Newcastle Upon Tyne
trefoil shaped setting embellished with three pavé set eight-cut diamonds in each motif. Four collet
Category

Antique Early 1900s Unknown Brooches

Materials

Diamond, Pearl, Ruby, White Diamond, 9k Gold, Yellow Gold

2.26 Carat Amethyst and Diamond, Yellow Gold Brooch
Located in Jesmond, Newcastle Upon Tyne
collet set diamonds. The amethyst and diamonds are bordered by a white enamel decorated frame. The
Category

Vintage 1920s Unknown Brooches

Materials

Diamond, Amethyst, 18k Gold, Yellow Gold, Silver, Enamel

1980s Antique French Sapphire and Diamond Yellow Gold Pendant
Located in Jesmond, Newcastle Upon Tyne
eighteen 18k white gold collet set modern brilliant round cut diamonds, with a single collet set eight-cut
Category

Vintage 1980s French Pendant Necklaces

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

1920s Antique Diamond and White Gold Flower Brooch by Hennell
Located in Jesmond, Newcastle Upon Tyne
design. The platinum setting is embellished with a total of sixteen pavé and collet set diamonds in a
Category

Vintage 1920s English Brooches

Materials

Diamond, 18k Gold, Yellow Gold

1950s Emerald and 1.02 Carat Diamond White Gold Necklace
Located in Jesmond, Newcastle Upon Tyne
necklace are embellished with a total of forty eight-cut diamonds, displayed in collet and pavé settings
Category

Vintage 1950s Pendant Necklaces

Materials

Diamond, Emerald, 18k Gold, White Gold

0.33Ct Sapphire 0.10Ct Diamond, 9k Yellow Gold Bar Brooch - Antique
Located in Jesmond, Newcastle Upon Tyne
either side by a collet set Old European round cut diamond. The collet settings are embellished with
Category

Antique Early 1900s Unknown Brooches

Materials

Diamond, Sapphire, 9k Gold, Platinum, Yellow Gold

Three Cartier London and Paris Diamond Coral Enamel Platinum Ladybug Brooches
By Cartier
Located in Greenwich, CT
round collet mounted diamonds on their hand carved coral wings and are signed Cartier London. They are
Category

Vintage 1930s English Retro Brooches

Materials

White Diamond, 18k Gold

Antique 0.73 Carat Diamond Yellow Gold and Platinum Floral Necklace
Located in Jesmond, Newcastle Upon Tyne
Dutch cut diamonds, in addition to a further collet set Old European round cut diamond. The linear drop
Category

Vintage 1910s Unknown Pendant Necklaces

Materials

Diamond, Yellow Gold, Platinum

Van Cleef Arpels Natural Burmese Ruby Diamond Ring, Circa 1960
By Van Cleef Arpels
Located in London, GB
carats, encircled by twenty two round brilliant cut diamonds in open back collet settings with a total
Category

Vintage 1960s French Cluster Rings

Materials

Diamond, Ruby, 18k Gold

Diamond, Emerald, Seed Pearl and Yellow Gold Heart Pendant
Located in Jesmond, Newcastle Upon Tyne
ornamented with fine and impressive six collet set Old European cut diamonds, segmented with two collet set
Category

Antique 1890s Pendant Necklaces

Materials

Diamond, Emerald, Pearl, 18k Gold, Yellow Gold

Vintage 2.31 Carat Sapphire and Diamond Three-Stone Ring, circa 1950s
Located in London, GB
collet. The diamonds either side are of exceptional quality, each weighing 0.40 carat. They are F in
Category

Vintage 1950s Unknown Three-Stone Rings

Materials

Diamond, Sapphire, 18k Gold

Antique 8.25 Carat Aquamarine and Diamond, Yellow Gold Pendant
Located in Jesmond, Newcastle Upon Tyne
millegrain decorated platinum setting is embellished with five páve set Dutch cut diamonds and one collet set
Category

Vintage 1910s Unknown Pendant Necklaces

Materials

Aquamarine, Diamond, Gold, Platinum, 14k Gold, Yellow Gold

Antique 2.48 Carat Diamond and Yellow Gold Cross Pendant
Located in Jesmond, Newcastle Upon Tyne
. A further ten collet set Old European round cut diamonds ornamented the cross bars. The bead
Category

Vintage 1920s Unknown Pendant Necklaces

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Tiffany Co. Schlumberger 18K Yellow Gold Blue Enamel Diamond Bangle Bracelet
By Jean Schlumberger for Tiffany Co.
Located in New York, NY
, studded with 108 collet-set round diamonds approximately 5.50 cts., signed Tiffany & Co., Schlumberger
Category

20th Century American Modern Bangles

Materials

Diamond, Yellow Gold, Enamel

A Beautiful Antique Diamond Riviere Necklace Set in Silver and Gold
Located in London, GB
diamonds in silver cut down collets backed with gold, the graduated diamonds estimated to weigh a combined
Category

Antique 19th Century Unknown More Necklaces

Materials

Diamond, 18k Gold, Silver

Art Deco 1.92 Carat Old Cut Diamond Solitaire Ring, circa 1930s
Located in London, GB
beautifully within a platinum claw collet. The diamond has been graded as H in colour and VS2 in clarity by
Category

Vintage 1930s Unknown Art Deco Engagement Rings

Materials

Diamond, 18k Gold, Platinum

5.08 Carat Opal and 2.49 Carat Diamond Platinum Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
tapered baguette cut diamonds, all collet set. The pierce decorated, elevated ring shoulders integrate
Category

Vintage 1950s Unknown Cocktail Rings

Materials

Diamond, Opal, Platinum

Vintage 13.94 Carat Tourmaline and Diamond 18k Yellow Gold Pendant
Located in Jesmond, Newcastle Upon Tyne
gold border, ornamented with fourteen impressive collet set diamonds in a combination of oval, square
Category

1990s Unknown Pendant Necklaces

Materials

Diamond, Tourmaline, 18k Gold, Yellow Gold

Antique 0.37 Carat Diamond and 14k Yellow Gold Pendant circa 1910
Located in Jesmond, Newcastle Upon Tyne
setting is surmounted with an individually collet set diamond, suspended from a tapering drop
Category

Vintage 1910s Pendant Necklaces

Materials

Diamond, Yellow Gold

4.62ct Diamond and Platinum Bracelet - Art Deco - Antique Circa 1930
Located in Jesmond, Newcastle Upon Tyne
three Old European round cut diamonds individually collet set in a horizontal fashion to the centre of
Category

Vintage 1930s Unknown Art Deco Chain Bracelets

Materials

Diamond, Platinum

Art Deco 4.21 Carat Diamond and Sapphire Platinum Cocktail Watch
Located in Jesmond, Newcastle Upon Tyne
each accented with two collet set baguette cut diamonds, a collet set baguette cut blue sapphires and a
Category

Vintage 1930s Art Deco Wrist Watches

Materials

Diamond, Sapphire, Platinum

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Diamond Collet For Sale on 1stDibs

Find the exact diamond collet you’re shopping for in the variety available on 1stDibs. Frequently made of Gold, 18k Gold and Silver, this item was constructed with great care. You can easily find a 8 antique edition and 5 modern creations to choose from as well. Finding the perfect diamond collet may mean sifting through those created during different time periods — you can find an early version that dates to the 19th Century and a newer variation that were made as recently as the 21st Century. For this particular piece, are consistently popular carat weights. There have been many well-made iterations of the classic diamond collet over the years, but those made by Fred Leighton, La Triomphe and Leo de Vroomen are often thought to be among the most beautiful. Today, if you’re looking for a round cut version of this piece and are unable to find the perfect match, our selection also includes old european cut alternatives. There aren’t many items for men if you’re seeking a diamond collet, as most of the options available are for women and unisex.

How Much is a Diamond Collet?

The price for a diamond collet starts at $2,083 and tops out at $44,000 with these necklaces, on average, selling for $5,041.

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.