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Multi-Colored OREGON Sunstone, 8.47ct, Faceted by the Owner of ATG!
Located in Methuen, MA
trimmed and preformed (yield was 23% - typical expectation is only 20%) - see image below. Body color
Category
2010s North American Loose Gemstones
Materials
Labradorite
NIXIN Jewelry Unicorn Tear Australian Opal Necklace No. 20 in 14k Gold
Located in Los Angeles, CA
at for assistance if your stone is loose or your setting is catching.
• Cleaning Your Jewelry:
Soft
Category
2010s American Contemporary Pendant Necklaces
Materials
Opal, Black Opal, Gold, 14k Gold, Yellow Gold
Free Shipping
H 0.48 in W 0.34 in D 0.1 in
Emilio Jewelry GIA Certified Fancy Deep Pure Green Diamond Ring
By Emilio!
Located in New York, NY
approximately 2.147 carats, 20 rose-cut white diamonds totaling approximately 1.422 carats, 18K
Green diamonds
Category
21st Century and Contemporary Three-Stone Rings
Materials
Blue Diamond, Pink Diamond
Diamond Enamel Soroptimist International Association Brooch Woman's Movement
Located in New York, NY
set with a diamond. The jewels are 10 karat gold and blue enamel. This is an early piece dating to
Category
20th Century Unknown Art Deco Brooches
Materials
Diamond, Gold, 10k Gold, Yellow Gold, Enamel
Free Shipping
H 0.75 in W 0.75 in
Chopard Happy Diamond 18 Karat White Gold Heart Necklace Original Box Included
By Chopard
Located in Sherman Oaks, CA
-shaped Pendant
3 loose "floating" Diamonds in the center behind sapphire glass
Chopard serial #81/2267
Category
21st Century and Contemporary Chain Necklaces
Materials
Diamond, 18k Gold
Art Deco Pearl Single Strand Sapphire Diamond 18 Kt Clasp
Located in Napoli, IT
, platinum topped, gorgeous stone setting with a centre old mine cut Diamond of .20 Ct flanked by 2 natural
Category
Vintage 1920s European Art Deco Beaded Necklaces
Materials
Diamond, Pearl, Sapphire, 18k Gold
Antique Earrings Garnets Diamonds solid 14K Gold / 1.8 gr
Located in SE
ct each and rose cut Diamonds.
No hallmarks on both, metal tested solid 14K Gold. For several
Category
Early 20th Century European Belle Époque Dangle Earrings
Materials
Diamond, Garnet, 18k Gold, 14k Gold
5 Pointer Each, 3.5 Ct Eternity 18 Kt Gold & Diamond Stretchable Bangle, Italy
Located in New York, NY
Iconic and stylish, this flexible diamond bangle bracelet is designed to make a statement. Crafted
Category
2010s Bangles
Materials
Diamond, 18k Gold
Cartier Love Bracelet 18K Yellow Gold 4 Brilliant-Cut Diamond
By Cartier
Located in Aventura, FL
LOVE bracelet, 18K yellow gold with 4 brilliant-cut diamonds totaling 0.42 carats. Comes with a
Category
21st Century and Contemporary American Modernist Bangles
Materials
Diamond, Yellow Gold
1954 Nordic Ring solid 18K Gold 3ct Emerald Diamonds ØUS6/ 7.5gr
Located in SE
accented with four diamond cut Diamonds arranged in cross formation.
Crown is 20 mm x 17 mm. The facial
Category
Vintage 1950s Swedish Retro Cluster Rings
Materials
Diamond, Emerald, 18k Gold
Antique Danish Ring 1ctw. Diamonds 14K Green/White Gold ØUS8
Located in SE
ornamental open work set with 15 diamonds.
Under x 10 magnification some diamonds show Brilliant cut. Some
Category
Vintage 1910s Danish Art Deco Cluster Rings
Materials
Diamond, 14k Gold, White Gold
Vintage Pendant 50ct Emerald 1.32ctw Diamonds solid 18K Yellow Gold / 16 gr
Located in SE
This is a very attractive golden pendant with a huge natural Emerald surrounded by Diamonds
Category
Antique 1880s Swedish Retro Pendant Necklaces
Materials
Diamond, Emerald, 18k Gold
Free Shipping
H 1.86 in W 1.19 in D 1.03 in
Vintage Egyptian Clips Earrings 5 ctw Diamonds solid 18K Gold Enamel /11gr
Located in SE
A pair of Vintage Egyptian handmade Diamond Huggies or Clips in 18 Yellow Gold. Openwork shields
Category
Vintage 1930s Egyptian Renaissance Revival Dangle Earrings
Materials
Diamond, 18k Gold, Enamel
Free Shipping
H 0.95 in W 0.71 in D 0.52 in
Antique Imperial Russian Lodka Ring solid 56 /14K Gold Diamonds Ø6.5US /3.2gr
Located in SE
diamond cut Diamonds arranged in fancy Boat - shaped pattern with carved shank of beautiful leaves. In
Category
Vintage 1910s Russian Art Nouveau Cluster Rings
Materials
Diamond, 14k Gold
Antique European Ring 0.5 ct Diamond solid 18K Gold Ø US6 / 3.7gr
Located in SE
European, 19 - early 20 century, no hallmarks, metal tested solid 18K Yellow Gold.
This great ring
Category
Early 20th Century European Art Nouveau Wedding Rings
Materials
Diamond, 18k Gold
Antique Art - Deco Ring 1.2ct Sapphire Diamonds solid Platinum ØUS 7.25 /3gr
Located in SE
Sapphires + two Ø 2 mm /0.03ct each old diamond cut Diamonds and 20 additional gradually sized rose cut
Category
Vintage 1920s German Art Deco Cluster Rings
Materials
Diamond, Sapphire, Platinum
1946 Ring 0.45 ct Diamond solid 18K Gold Silver Ø 7US / 3.2gr
Located in SE
. Natural rose cut Diamond in Silver bezel measures Ø 4.5 mm x 1.7 mm deep / about 0.45 ct. Color ca. I, J
Category
Vintage 1940s Swedish Art Nouveau Solitaire Rings
Materials
Diamond, 18k Gold, Silver
Antique Bracelet 5.5 ct Sapphire 2.3ctw Diamonds 18K Gold Platinum /17.7cm/9.4gr
Located in SE
Platinum with natural and untreated Blue Sapphire and 20 old diamond-cut Diamonds. All stones have their
Category
Vintage 1930s German Art Deco Link Bracelets
Materials
Diamond, Sapphire, 18k Gold, Platinum
Free Shipping
L 6.97 in
Antique Ring Diamonds Red Enamel 18K Gold Silver Ø 6.25 US/ 7.7gr
Located in SE
Old Russian or Finish Ring hand - made between late 19th - early 20 centuries. Floral ornament with
Category
Antique Early 1900s Russian Art Nouveau Cluster Rings
Materials
Diamond, 18k Gold, Silver, Enamel
1987 Vintage Armenian Earrings natural Diamonds 583 /14K Rose White Gold/ 4gr
Located in SE
A pair of Armenian Diamond Huggies, solid 14K Rose and White Gold plus 10 natural brilliant cut
Category
Vintage 1980s Armenian Retro Dangle Earrings
Materials
Diamond, 14k Gold, Rose Gold, White Gold
Antique Ring 0.7ct Sapphire 1ctw. Diamonds 18K Rose Gold Silver Ø 7US /5gr
Located in SE
Crown's top in Silver decorated with natural oval diamond cut Sapphire of medium Blue color,internal
Category
Antique Early 1900s European Modernist Dome Rings
Materials
Diamond, Sapphire, 18k Gold, Rose Gold, Silver
Antique German Halo Ring natural 0.7ct Sapphire Diamonds 18K Gold Ø 6.25US/1.3gr
Located in SE
Beautiful early 20 cent. period Halo Ring in solid 18K Green Gold with top of the crown in Silver
Category
Vintage 1910s European Art Nouveau Cluster Rings
Materials
Diamond, Sapphire, 18k Gold, Sterling Silver
Antique Ring 2.2ct Emerald 1.2ctw Diamonds 18K Gold Silver Enamel Ø 5.5US/7.3gr
Located in SE
cluster.
20 rose cut Diamonds set in Silver clusters over dark Blue Enamel background about Ø 2.5 mm
Category
Antique Early 19th Century European Empire Cluster Rings
Materials
Emerald, Diamond, Enamel, Silver, 18k Gold
Antique German Ring 1ctw. natural Sapphire Diamonds solid 14K Rose Gold ØUS7/3g
Located in SE
Crown's top in Silver decorated with natural oval diamond cut Sapphire of medium Blue color,internal
Category
Antique Early 1900s German Art Nouveau Dome Rings
Materials
Diamond, Sapphire, Rose Gold, Silver, 14k Gold
Antique Ring 0.65 ctw Diamonds solid 14K Rose Gold Silver Ø US 3.25/ 1.59 gr
Located in SE
Fine ring of design that was very popular in Europe in the late 19 - early 20 century
Category
Antique Early 1900s German Art Nouveau Wedding Rings
Materials
Diamond, 14k Gold, Rose Gold, Silver
Antique Austrian Ring 1 ctw. Diamonds solid 14K Rose Gold Silver Ø US 6.25/ 3 gr
Located in SE
Fine Austrian ring made ca. late 19 early 20 century period. Silver on Gold openwork crown with 15
Category
Early 20th Century Austrian Art Deco Wedding Rings
Materials
Diamond, 14k Gold, Rose Gold, Silver
1948 Finish Ring Daimonds solid 18K Gold Silver Ø6.75 US/ 1.7gr
Located in SE
Finish Ring with 7 Diamond stones set in White Gold or Silver clusters on top of solid 18K Yellow
Category
Vintage 1940s Finnish Retro Cluster Rings
Materials
Diamond, 18k Gold
Portrait of a Lady in Silver Silk Dress & Pearls c.1660, Oil on canvas painting
Located in London, GB
was either painted from the customer’s own clothes or was perhaps a creation using fabrics loosely
Category
17th Century Old Masters Portrait Paintings
Materials
Canvas, Oil
H 36.62 in W 30.71 in D 1.97 in
NIXIN Jewelry Eucalyptus Melody Australian Opal Necklace with Emerald and Gold
Located in Los Angeles, CA
. The pendant hangs from an adjustable 20" chain. A one of a kind emerald and opal necklace.
MATERIALS
Category
2010s American Contemporary Pendant Necklaces
Materials
Opal, Sapphire, Aquamarine, Emerald, Gold, 14k Gold, Yellow Gold
Free Shipping
H 1.58 in W 0.81 in D 0.2 in
"the Landing", abstract, red, orange, yellow, pink, purple, acrylic painting
By Sandra Cohen
Located in Natick, MA
Sandra Cohen’s “the Landing” is a 20 x 16 x .25 inch acrylic painting on tempered hardboard, in red
Category
2010s Abstract Paintings
Materials
Acrylic, Wood Panel
H 20 in W 16 in D 0.25 in
1892 Nordic Locket Pendant solid 18K Gold / 4.5gr
Located in SE
Swedish hallmarks, date code likely O6 / 1892.
35 mm long suspended including the hanger x 20 mm wide x 7
Category
Antique 1890s Swedish Arts and Crafts Pendant Necklaces
Materials
18k Gold
Vintage Earrings Clips natural Jade Celadon solid 14K Gold / 8.56 gr
Located in SE
bit bluish in natural light.
Each bezel 20 mm x 15 mm. Secure tight locks with 14K, 585 hallmarks
Category
Vintage 1950s European Retro Stud Earrings
Materials
Jade, 14k Gold
1882 Antique Engraved Pendant Picture Locket solid 18K Yellow Gold / 3.7gr
Located in SE
the hanger ring x 20 mm wide x 4 mm deep. Weight: 3.7 grams
Great used condition, with no punctures,a
Category
Antique 1880s Swedish Arts and Crafts Pendant Necklaces
Materials
18k Gold
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H 1.38 in W 0.79 in D 0.16 in
Antique Chineese Bracelet Jade Carnelian Giilt Silver /51gr
Located in SE
cut cabochon 20 mm x 15 mm x ca 8mm deep / ca.17ct + 6 round cabochons of Red Carnelian or Sard stones
Category
Vintage 1920s Chinese Arts and Crafts Bangles
Materials
Carnelian, Jade, Silver, Gold-filled
Antique Necklace Natural Seed Pearls solid 18K Gold / 37cm/ 1.8 gr
Located in SE
20 florets with faceted and riveted Cut Gold settings that remind similar type of riveted Cut Steel
Category
Antique Early 1900s European Art Nouveau Beaded Necklaces
Materials
Pearl, 18k Gold
Antique Necklace Eye of God solid 19K Gold / 26.6 gr
Located in SE
20 florets with faceted and riveted Cut Gold settings that remind similar type of riveted Cut Steel
Category
Antique Late 18th Century European Egyptian Revival Pendant Necklaces
Materials
18k Gold
Vintage Ring Topaz Garnet Citrine Peridot Amethyst solid 14K Gold ØUS9.75/ 7.8gr
Located in SE
Used condition. All stones are intact ,no apparent wear to facets.
Measurements: flower Ø 20 mm at
Category
Vintage 1970s European Retro Wedding Rings
Materials
Amethyst, Citrine, Garnet, Peridot, Topaz, 14k Gold
1930's German Ring solid 14K Gold 15 ct Citrine Ø6.5 US / 10.7gr
Located in SE
stone is 23 mm x 20 mm x 9 mm deep.
Size : Ø 6.5 US / Ø 16.92mm . Weight: 10.7 grams
Fine used
Category
Vintage 1930s German Art Deco Solitaire Rings
Materials
Citrine, 14k Gold
Antique Art Deco Negligee Necklace Amethyst Seed Pearls Silver / 42.5 cm / 4.1 g
Located in SE
Hand - Hand-made necklace from the early 20 century featuring three natural Amethyst stones and
Category
Early 20th Century European Art Nouveau Pendant Necklaces
Materials
Amethyst, Pearl, Silver
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L 16.74 in
1948 Retro Ring solid 18K Gold 20ct Citrine Ø 7.75 US /15.6 gr
Located in SE
Yellow Gold, step- cut Citrine 18 mm x 13 mm x 10 mm deep / ca 20 ct. The stone is of the finest quality
Category
Vintage 1940s Swedish Retro Solitaire Rings
Materials
Citrine, 18k Gold
Portrait of a Lady with Crimson Wrap & Fur c.1675 Fine Dutch Old Master Painting
Located in London, GB
scarlet silk drapery is held in place by two huge gold and pearl brooches. A huge diamond, pearl, and
Category
17th Century Old Masters Portrait Paintings
Materials
Canvas, Oil
H 36.23 in W 30.71 in D 1.97 in
19th Century Album Containing Drawings, Memorabilia, and Botanical Samples
Located in Middletown, NY
diamond frame at the center, bearing the view of an elegant pavilion in a formal garden, with 4 elegant
Category
Antique Early 18th Century Italian Books
Materials
Gold Leaf
H 8.63 in W 11.38 in D 1 in
Antique von Belfrage Brooch Intaglio Carnelian solid 18K Gold /10 gr
Located in SE
2.5cm x 1.35 cm x 5 mm deep. Intaglio carving measures 20 mm x 10 mm.
Weight: 10 grams
Used finest
Category
Antique 19th Century Swedish Baroque Revival Brooches
Materials
Carnelian, 18k Gold, Yellow Gold
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W 0.91 in D 0.24 in L 1.5 in
Antique Italian Micro Mosaic Unisex Men Ring solid 18K Rose Gold Ø 9.75US/5.3gr
Located in SE
size and delicacy of the work is truly remarkable.The mosaic measures 20 mm x 13 mm x 2.14 mm
Category
Antique Late 18th Century Swedish Renaissance Revival Cluster Rings
Materials
18k Gold, Rose Gold
Antique Austrian Bohemian Bracelet Garnets Seed Pearls Enamel / 18cm / 34gr
Located in SE
enamel in this design.
Measures 18.5 cm long open and stretched / 17.5 cm closed.
Each link is 20 mm x
Category
Vintage 1910s Austrian Renaissance Revival Link Bracelets
Materials
Pearl, Garnet, Gold-filled, Silver, Enamel
Antique German Sterling Silver Guilloche Enamel Vanity Pill Box /79 gr
Located in SE
fragmented German hallmarks on the lid and 935.
Measures 6.7 cm x 5.2 cm x 20 mm thick. Weight: 79 grams
Category
Antique Early 1900s German Aesthetic Movement Boxes and Cases
Materials
Sterling Silver, Enamel
Free Shipping
W 2.05 in D 0.79 in L 2.64 in
1909 Antique Intaglio Fob wax Seal Glass Crystal 18K Gold Seed Pearls/ 6.8gr
Located in SE
Fine early 20 century fob Crystal glass and 18K Gold brooch with suspended pendant of 3 cast seals
Category
Antique Early 1900s Swedish Renaissance Revival Brooches
Materials
Crystal, Pearl, 18k Gold
Antique Intaglio von Gyllensvärd Signet Ring Blue Sardonyx 18K Gold ØUS8.75/3.5g
Located in SE
carved sword is just 4 mm long.
This ring was made in Europe, and dates to ca. 19 - early 20 century
Category
Vintage 1920s Swedish Medieval Signet Rings
Materials
Carnelian, 18k Gold
Vintage European Dangle Hearts Earrings solid 21K Yellow Gold / 2.3gr
Located in SE
-1960s. No hallmarks, metal tested solid 20/ 21K Gold.
Each earring is 23 mm long. Each heart 14 mm x 14
Category
Vintage 1950s Asian Retro Dangle Earrings
Materials
18k Gold, Yellow Gold
Etruscan style Granulated Dangle Earrings solid Yellow 20K Gold / 8.75gr
Located in SE
suspended chained balls.
Not hallmarked,metal tested above 18K, likely 20 -21K Gold. Made ca. early XIX
Category
Antique 1870s European Etruscan Revival Dangle Earrings
Materials
18k Gold, 22k Gold
1955 Nordic Dangle Earrings solid 18K Gold/3.3 gr
Located in SE
.
Each earring is hollow inside, about 33 mm including the hooks.
Each pendant is 20 mm x 12 mm at axes
Category
Vintage 1950s Swedish Retro Dangle Earrings
Materials
18k Gold
1915 Austrain Empire Earrings 2 Ducats Coins 23K/ 14K Gold / 7.8gr
Located in SE
,23.75 K , minted in 1915 , Restrike . 1 coin measures Ø 20 mm / weight 3.49 grams.
These coins are made
Category
Vintage 1910s Austrian Art Nouveau Dangle Earrings
Materials
14k Gold, 24k Gold
Antique Bohemian Bangle Bracelet 251 Garnets Granat Silver / 51gr
Located in SE
20 linked sections in the composition with a hidden push button V-clasp closure. Original period gilt
Category
Antique Early 1900s Austrian Art Nouveau Bangles
Materials
Garnet, Silver
Antique Signet Ring Intaglio Bull Taurus Carnelian 18K Yellow Gold ØUS7/12.3gr
Located in SE
20 mm x 14 mm / ca. 12ct
No hallmarks. Age/origin is unknown.
This ring is unisex for Men and Women
Category
Early 20th Century Unknown Classical Greek Signet Rings
Materials
Carnelian, 18k Gold, Yellow Gold
Antique Bohemian Austrian - Hungarian Bracelet Garnets Silver /18cm /37gr
Located in SE
20 linked sections in the composition with a hidden push button V-clasp closure. Original period gilt
Category
Antique Early 1900s Austrian Art Nouveau Link Bracelets
Materials
Garnet, Silver
Free Shipping
W 3.15 in D 1.58 in L 7.09 in
Old Hay Signet Ring Rock Quartz Stone Intaglio solid 14K Gold Ø 10.5 US/17gr
Located in SE
not hallmarked. The metal was tested solid 14K Greenish Yellow Gold
Stone measures 25 mm x 20 mm x 15
Category
Antique Late 19th Century European Arts and Crafts Signet Rings
Materials
Quartz, 14k Gold
Antique von Aminoff 3 Intaglio Fob wax Seal Citrine solid 18K Gold / 8.7gr
Located in SE
fob is 20 mm wide x 12 mm thick when measured from the side. Weight: 8.7 grams
Used.Traces of old wax
Category
Antique Late 19th Century Swedish Art Nouveau Pendant Necklaces
Materials
Citrine, 18k Gold
Black Chandelier Bead Illusion Party Dress with Swirling Trumpet Skirt– M, 1950s
Located in Tucson, AZ
a diamond no matter the time of year.
Cap sleeve dance dress with heavily-beaded illusion bodice
Category
1950s Unknown Evening Dresses
Size: none; comparable to size M
Russian French Avant Garde Lithograph Rhythm in Colour Vibrant Abstract Print
By Léopold Survage
Located in Surfside, FL
1/2 in. x 20 1/8 in.
Provenance: deaccessioned from the Mobile Museum of Art, Mobile, AL
Léopold
Category
1960s Cubist Abstract Prints
Materials
Lithograph
Russian French Avant Garde Lithograph Rhythm in Colour Vibrant Abstract Print
By Léopold Survage
Located in Surfside, FL
1/2 in. x 20 1/8 in.
Provenance: deaccessioned from the Mobile Museum of Art, Mobile, AL
Léopold
Category
1960s Abstract Abstract Prints
Materials
Lithograph
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Loose Diamond 20 For Sale on 1stDibs
On 1stDibs, you can find the most appropriate loose diamond 20 for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using gold, 18k gold and yellow gold. You can easily find a 140 antique edition and 40 modern creations to choose from as well. Finding the perfect loose diamond 20 may mean sifting through those created during different time periods — you can find an early version that dates to the 18th Century and a newer variation that were made as recently as the 21st Century. Finding an appealing loose diamond 20 — no matter the origin — is easy, but Cartier, Emilio! and Carvin French each produced a popular version that is worth a look. A loose diamond 20 can make for a versatile accessory, but a selection from our variety of 143 diamond versions can add an especially stylish touch. 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 brilliant cut and cushion cut alternatives. If you’re browsing our inventory for a loose diamond 20, 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 a Loose Diamond 20?
The price for a loose diamond 20 starts at $1 and tops out at $1,800,000 with these more-jewelry-watches, on average, selling for $3,360.
Questions About Loose Diamond 20
- 1stDibs ExpertDecember 12, 2023Whether Cartier will set a loose diamond depends on the circumstances. If you purchased a piece of Cartier diamond jewelry and the stone has come loose, contact customer service for assistance with repairs. Cartier will usually not place a loose diamond that you purchased elsewhere in one of their settings. Find a wide range of Cartier diamond jewelry on 1stDibs.
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