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Antique 1.68 Carat Diamond and White Gold Necklace
Located in Jesmond, Newcastle Upon Tyne
features a stunning 1.12ct Old European cut diamond individually collet set within a millegrain decorated
Category

Vintage 1920s Unknown Drop Necklaces

Materials

Diamond, White Gold, Platinum

Victorian Ruby Diamond Green Paste Rose Gold Pendant / Locket
Located in Jesmond, Newcastle Upon Tyne
decorated frame is ornamented with six millegrain decorated collet set diamonds, in addition to a further
Category

Antique 1880s European Victorian Pendant Necklaces

Materials

Diamond, Ruby, Rose Gold

Vintage 1.85 Carat Emerald and 7.10 carat Diamond Jewellery Set
Located in Jesmond, Newcastle Upon Tyne
addition to six plain platinum globular bud designs each bearing a single collet set diamond, completing
Category

Vintage 1940s Unknown Brooches

Materials

Diamond, Emerald, 9k Gold, White Gold, Platinum

Georgian Magnificent Antique Diamond Drop Earrings Circa 1800
Located in London, GB
old European brilliant cut diamond in a cut down collet setting surrounded by a frame of smaller old
Category

Antique Early 19th Century British Drop Earrings

Materials

White Diamond, 18k Gold, Silver

Antique 1.60ct Diamond and 18k Yellow Gold Cross Pendant
Located in Jesmond, Newcastle Upon Tyne
decorated collet set 0.25ct Old European round cut diamond. The feature diamond is held within a quatrefoil
Category

Vintage 1920s Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Edwardian 0.96 Carat Diamond and 14k Yellow Gold Pendant
Located in Jesmond, Newcastle Upon Tyne
three further collet set diamonds in a trefoil arrangement above three diamonds to the rounded lower
Category

20th Century Edwardian Drop Necklaces

Materials

Diamond, 14k Gold, Yellow Gold, Platinum

Vintage 1.05Ct Diamond and Platinum Solitaire Engagement Ring Circa 1950
Located in Jesmond, Newcastle Upon Tyne
ornamented with two claw set baguette cut diamonds conjoined with an individually collet set transitional
Category

Vintage 1950s Solitaire Rings

Materials

Diamond, Platinum

Art Deco 7.60ct Diamond Solitaire Ring, c.1920s
Located in London, GB
clarity. Set within a platinum collet the diamond is flanked by classically Art Deco stepped shoulders. A
Category

Vintage 1920s Unknown Art Deco Solitaire Rings

Materials

Diamond, Platinum, 18k Gold, White Gold

Antique 1.05Ct Emerald 1.18Ct Diamond Yellow Gold Ring, Circa 1930
Located in Jesmond, Newcastle Upon Tyne
ornamented with a feature 1.12Ct Old European cut diamond, 18k yellow gold collet set in relief to the center
Category

Vintage 1930s Unknown Cocktail Rings

Materials

Diamond, Emerald, Yellow Gold, Platinum

Vintage 1950s 2.76 Carat Diamond and White Gold Drop Earrings
Located in Jesmond, Newcastle Upon Tyne
cut diamond to the center. Each feature diamond is encircled with eight individually collet set
Category

20th Century Portuguese Georgian Drop Earrings

Materials

Diamond, White Gold

Antique 1.65 Carat Diamond and Platinum Solitaire Ring Circa 1920
Located in Jesmond, Newcastle Upon Tyne
Deco splayed ring shoulders are each embellished with two collet set baguette cut diamonds, conjoining
Category

Vintage 1920s Unknown Art Deco Solitaire Rings

Materials

Diamond, Platinum

Antique 3.83 Carat Diamond and Platinum Art Deco Brooch Circa 1925
Located in Jesmond, Newcastle Upon Tyne
ornamented with a 0.23ct, 0.22ct and 0.18ct feature Old European round cut diamond, individually collet set
Category

Vintage 1920s Unknown Art Deco Brooches

Materials

Diamond, Platinum

11.06 Carat Tourmaline 0.18 Carat Diamond 14k Yellow Gold Brooch
Located in Jesmond, Newcastle Upon Tyne
decorated settings, incorporating six impressive Old European round cut diamonds in a combination of collet
Category

Vintage 1930s Brooches

Materials

Diamond, Tourmaline, Yellow Gold, 14k Gold

Vintage Tiffany Co Paloma Picasso Diamond 18k Gold Bangle Bracelet
By Paloma Picasso for Tiffany Co.
Located in Santa Barbara, CA
sparkling 3/4 carat round diamond set in a platinum collet. The secure slide lock closure adds ease of wear
Category

Vintage 1980s Italian Contemporary Bangles

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Tiffany Co. Gold, Green Enamel and Diamond Bangle
By Tiffany Co.
Located in New York, NY
Tiffany & Co. Gold, Green Enamel and Diamond Bangle Bracelet This bangle bracelet has the bombé
Category

Late 20th Century American Artist Bangles

Materials

Diamond, 18k Gold, Gold, Enamel

David Webb Stud Diamond And Black Enamel Necklace
By David Webb
Located in New York, NY
David Webb Stud Diamond And Black Enamel Necklace Coral, collet-set diamonds, black enamel, 18K
Category

20th Century American Modern Link Necklaces

Materials

Coral, Diamond, Yellow Gold, Enamel

Antique 1.00 Carat Diamond Rose Gold Clip on Earrings
Located in Jesmond, Newcastle Upon Tyne
set Old European round cut diamond, encircled by six collet set eight-cut diamonds. These earrings
Category

Vintage 1930s Unknown Clip-on Earrings

Materials

Diamond, 15k Gold, Rose Gold, Platinum

Antique Art Deco 2.29 Carat Diamond and Platinum Pendant Circa 1930
Located in Jesmond, Newcastle Upon Tyne
further Old European cut diamonds, four-claw and collet set in a linear formation. The bifurcating tiered
Category

Vintage 1930s Unknown Art Deco Pendant Necklaces

Materials

Diamond, Platinum

Antique 4.85Ct Diamond and 18k Yellow Gold Pendant Circa 1890
Located in Jesmond, Newcastle Upon Tyne
to two collet set diamonds to the upper portion. The ribbon style frame of the pendant is
Category

Antique 1890s Pendant Necklaces

Materials

Diamond, Yellow Gold

Vintage 12.80 Carat Topaz, 0.82 Carat Diamond and 14k Yellow Gold Brooch
Located in Jesmond, Newcastle Upon Tyne
the upper portion of the design. The topaz is secured via eight collet set diamonds, in a combination
Category

Vintage 1950s British Brooches

Materials

Diamond, Topaz, Yellow Gold

Antique Pearl Ruby and Diamond Yellow Gold Twist Ring
Located in Jesmond, Newcastle Upon Tyne
with eight eight-cut diamonds, each platinum collet set in a curvilinear formation, joining with the
Category

Vintage 1910s Unknown Cocktail Rings

Materials

Diamond, Pearl, Ruby, Yellow Gold

Antique Art Nouveau French 18ct Yellow Gold, Diamond and Pearl Brooch
Located in Brighton, GB
period. The scrolling design is accented with six rose-cut diamonds set in millegrain platinum collets
Category

Early 20th Century Art Nouveau Brooches

Materials

Diamond, Pearl, 18k Gold, Yellow Gold

C1820 15K Emerald and Diamond Ring in Geometric Linked "t" formation
Located in Baltimore, MD
front. The 10 diamonds are set in silver collets and the 3 emeralds in an unusual gold crimped collet
Category

Antique 1810s English Georgian Cluster Rings

Materials

Diamond, Emerald, 15k Gold

Vintage 1980s 0.85 Carat Diamond and 14k Yellow Gold Pendant
Located in Jesmond, Newcastle Upon Tyne
and 0.07ct modern brilliant round cut diamond, each individually collet set in a vertical linear
Category

Vintage 1980s Pendant Necklaces

Materials

Diamond, Yellow Gold

Vintage 1.72 Carat Sapphire and 1.80 Carat Diamond, Platinum Earrings Circa 1990
Located in Jesmond, Newcastle Upon Tyne
platinum collet set modern brilliant round cut diamonds. The central cluster array of each earrings
Category

1990s Lever-Back Earrings

Materials

Diamond, Sapphire, Yellow Gold, Platinum

Vintage 90s 1.98 Carat Diamond and 14k Yellow Gold Pendant
Located in Jesmond, Newcastle Upon Tyne
feature diamonds alternate with three collet set modern brilliant round cut diamonds, completing the
Category

1990s Unknown Pendant Necklaces

Materials

Diamond, Yellow Gold

Antique 1.50 Carat Sapphire, 0.60 Carat Diamond and Platinum Brooch Circa 1910
Located in Jesmond, Newcastle Upon Tyne
decorated collet set cushion cut sapphire, flanked with four individually collet set eight-cut diamonds and
Category

Vintage 1910s Brooches

Materials

Diamond, Sapphire, Platinum

Mauboussin Sapphire And Diamond Cocktail Ring, French, 1947
By Mauboussin
Located in London, GB
and the flanking diamonds set to curving stepped collets, with intricate backholing to the reverse
Category

Vintage 1940s French Cocktail Rings

Materials

Diamond, Sapphire

Antique 0.84 Carat Diamond and 18k Yellow Gold Drop Earrings Circa 1890
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive pair of antique Victorian 0.84 carat diamond, 18 karat yellow gold and silver
Category

Antique 1890s Drop Earrings

Materials

Diamond, Yellow Gold, Silver

Art Deco 1.00ct Diamond Solitaire Ring, c.1920s
Located in London, GB
a timeless classic. Claw set into a platinum collet, the Diamond has a grading of I in colour and
Category

Vintage 1920s British Art Deco Engagement Rings

Materials

Diamond, 18k Gold, White Gold, Platinum

Art Deco 0.50ct Diamond Solitaire Ring, c.1920s
Located in London, GB
its centre, claw set in a platinum collet. The diamond has a colour of H and clarity of VS22. Down
Category

Vintage 1920s British Art Deco Engagement Rings

Materials

Diamond, 18k Gold, White Gold, Platinum

Edwardian 0.40ct Emerald and Diamond Three Stone Ring, c.1910s
Located in London, GB
, whilst each diamond sits in a platinum collet. Gemstone: Emerald Stone Shape: Emerald Cut Carat Weight
Category

Vintage 1910s British Edwardian Three-Stone Rings

Materials

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

Edwardian Ruby Emerald and Diamond Yellow Gold Cufflinks
Located in Jesmond, Newcastle Upon Tyne
collet set diamonds, an Old European round cut and a smaller Dutch cut. The designs are ornamented with
Category

Vintage 1910s Unknown Cufflinks

Materials

Diamond, Emerald, Ruby, 14k Gold, Yellow Gold

Platinum, Diamond and Briolette cut Amethyst Earrings, Pierre/Famille.
Located in Aspen, CO
Platinum pendant style earrings possessing both round and pear cut diamonds by Pierre/Famille
Category

21st Century and Contemporary Contemporary Drop Earrings

Materials

Amethyst, Diamond, Platinum

Chopard Diamond and Mother of Pearl Happy Sport Chronograph Wristwatch
By Chopard
Located in New York, NY
embellished with mother-of-pearl, framed by round diamonds, featuring free-floating collet-set diamonds
Category

Late 20th Century Swiss Artist Wrist Watches

Materials

Diamond, Stainless Steel

Victorian Pearl, Diamond and Enamel Mourning Locket Ring
Located in London, GB
rose cut diamond in a cut collet setting and is surrounded by four original natural pearls. Fine black
Category

Antique 19th Century Victorian Fashion Rings

Materials

Diamond, Pearl, Gold, Yellow Gold, Enamel

Child Child Diamond Platinum Pendant Brooch, circa 1900
Located in London, GB
composed of an elongated octagon with inward bowed sides set with one central diamond in a collet setting
Category

Antique Early 1900s English Edwardian Brooches

Materials

Diamond, Platinum

Synthetic Ruby and Sapphire 0.48 Carat Zircon 0.10 Carat Diamond Gold Ring
Located in Jesmond, Newcastle Upon Tyne
pavé set Dutch cut diamonds and one collet set Old European round cut diamond embellish the applied 14k
Category

Vintage 1940s Cocktail Rings

Materials

Diamond, Zircon, White Gold, Yellow Gold

Vintage 0.80ct Emerald and Diamond Three Stone Ring, hallmarked 1986
Located in London, GB
each diamond sits within an platinum collet. Gemstone: Emerald Stone Shape: Round Carat Weight: 0.80
Category

Vintage 1980s British Three-Stone Rings

Materials

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

8.14 Carat Basaltic Sapphire 11.79 Carat Diamond Platinum Necklace Circa 1945
Located in Jesmond, Newcastle Upon Tyne
diamond, platinum necklace; part of our diverse collection of statement luxury jewelry. This magnificent
Category

Vintage 1940s Unknown Art Deco Link Necklaces

Materials

Diamond, Sapphire, Platinum

Art Deco 0.94ct Solitaire Diamond Ring, c.1920s
Located in London, GB
sparkling diamond has been graded as G in colour and SI1 in clarity. Set within a classic 'U' shaped collet
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, 18k Gold

Natural Intense Pink Sapphire and Diamond Platinum Earrings by Pierre/Famille
By Pierre Famille
Located in Aspen, CO
are bezel set. The small four round brilliant cut diamonds at the top are collet set. These articulate
Category

21st Century and Contemporary American Contemporary Dangle Earrings

Materials

Diamond, Pink Sapphire, Platinum

Boucheron, France Mid-Century Gold, Turquoise, and Diamond Cluster Ring
By Boucheron
Located in New York, NY
turquoise, flanked by prong-set round brilliant-cut diamonds and further accented with collet-set cabochon
Category

Vintage 1950s French Modern Cluster Rings

Materials

Diamond, Turquoise, Gold, 18k Gold

Diamond, Pearl Enamel Bracelet / Brooch in 18k Yellow Gold
Located in Jesmond, Newcastle Upon Tyne
scrolling decoration, incorporating a collet set diamond to the lower portion and surmounted with an
Category

Antique 1880s Unknown Chain Bracelets

Materials

Diamond, Pearl, Yellow Gold, Enamel

Chaumet Paris French Art Deco Emerald Diamond Earrings
By Chaumet
Located in New York, NY
The large, carved emeralds, fluted and domed, app. 14.0 mm, centering single collet-set diamonds
Category

Vintage 1930s French Art Deco Clip-on Earrings

Materials

Diamond, Emerald, 18k Gold, White Gold

2.35 Carat Opal and 0.60 Carat Diamond, 18 Karat Yellow Gold Pendant Circa 1920
Located in Jesmond, Newcastle Upon Tyne
single collet set diamond to the nadir. The upper portion feature three individually collet set Old
Category

Vintage 1920s Pendant Necklaces

Materials

Diamond, Opal, Yellow Gold, Platinum

Antique 5.54 Ctw. Old Cut Diamond Moon Stars En Tremblant Brooch
Located in Los Angeles, CA
that weigh approximately 5.54 carats in total. The diamonds are set within individual collet-style
Category

Antique 1830s Unknown Georgian Brooches

Materials

Diamond, 10k Gold, Rose Gold, Silver

Antique 1.25 Carat Diamond and Platinum Cocktail Engagement Ring Circa 1935
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique 1.25 carat diamond cocktail ring in platinum; part of our
Category

Vintage 1930s Unknown Engagement Rings

Materials

Diamond, Platinum

Antique 1.30 Carat Diamond and 15k Yellow Gold Pendant Circa 1920
Located in Jesmond, Newcastle Upon Tyne
millegrain decorated collet set Old European round cut diamond. The pendant is further embellished with a
Category

Vintage 1920s Unknown Pendant Necklaces

Materials

Diamond, Yellow Gold, Platinum

48.34Ct Aquamarine and 0.70Ct Diamond 18k Yellow Gold and Platinum Necklace
Located in Jesmond, Newcastle Upon Tyne
decorated collet set 0.53ct Old European oval cut diamond, surmounted with a collet set 0.17ct Old European
Category

Vintage 1920s Pendant Necklaces

Materials

Aquamarine, Diamond, Yellow Gold, Platinum

Antique 3.10ct Moonstone, Ruby, Emerald, Diamond and Pearl, Yellow Gold Brooch
Located in Jesmond, Newcastle Upon Tyne
carat diamond and pearl, 12 karat yellow gold and silver set insect brooch; part of our diverse antique
Category

Antique 19th Century Unknown Brooches

Materials

Diamond, Emerald, Moonstone, Pearl, Ruby, Yellow Gold

Vintage 80 s Tiffany Co Paloma Picasso Diamond 18k Gold Choker Necklace
By Paloma Picasso for Tiffany Co.
Located in Santa Barbara, CA
A sublime, sleek, and elegant vintage Tiffany & Co. gold and diamond choker necklace by renowned
Category

Vintage 1980s Italian Contemporary Choker Necklaces

Materials

Diamond, Gold, 18k Gold, Yellow Gold

5.50 Carat Opal, Natural Saltwater Pearl 8.31 Carat Diamond, Platinum Pendant
Located in Jesmond, Newcastle Upon Tyne
individually collet set diamonds to the upper and lower portions. The outer circumference of this large
Category

Vintage 1930s Unknown Pendant Necklaces

Materials

Diamond, Opal, Pearl, White Gold, Yellow Gold, Platinum

Antique 2.25 Carat Diamond and 18k White Gold Cluster Earrings Circa 1930
Located in Jesmond, Newcastle Upon Tyne
stunning collet set 0.29ct and 0.26ct feature transitional modern brilliant round cut diamond. The feature
Category

Vintage 1930s Drop Earrings

Materials

Diamond, White Gold

Antique 1.00Ct Diamond and 14k Yellow Gold Bow Brooch / Pendant Circa 1920
Located in Jesmond, Newcastle Upon Tyne
collet set 0.77ct Old European cut diamond. The feature diamond suspends from a paired leaf design
Category

Vintage 1920s Brooches

Materials

Diamond, White Gold, Yellow Gold

Antique 17th-18th Century Diamond Laça Bow Cross Pendant Brooch Portuguese Gold
Located in Lisbon, PT
yellow gold, set throughout with rose-cut and lasque diamonds in closed-back collet and foiled settings
Category

Antique Late 17th Century Portuguese Georgian Brooches

Materials

Diamond, Gold, Yellow Gold

Vintage 13.96 Carat Diamond and White Gold Drop Earrings, Circa 1960
Located in Jesmond, Newcastle Upon Tyne
alternating with seven collet set baguette cut diamonds, to the segmented linear arrangements. Each of the
Category

Vintage 1960s Unknown Drop Earrings

Materials

Diamond, Gold, 18k Gold, White Gold

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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.