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Round Brilliant Cut Loose Diamond 0.94 ct
Located in Laguna Beach, CA
Loose .94 carat round brilliant cut No grading certificate. Grading is done by a GIA graduate
Category

Early 20th Century Antique Loose Round Diamond

Materials

Diamond

LFG Certified 3.78 K/VS1 Antique Old European Round Brilliant Cut Diamond
Located in Paris, FR
This Antique Old European Round Brilliant cut Diamond weights 3.78 carats with a K color (Beautiful
Category

1910s Unknown Belle Époque Antique Loose Round Diamond

Materials

Diamond

Certified Old Mine Cut Diamond, 1.73 Carat F VS2
Located in Antwerpen, BE
exceptional scarcity and value of these remarkable gems. While round brilliant diamonds are widely popular
Category

Early 18th Century Unknown Artisan Antique Loose Round Diamond

Materials

Diamond, White Diamond

Antique Certified Old Mine Cut Diamond, 1.73 Carat F VS2
Certified Old Mine Cut Diamond, 1.73 Carat F VS2
Free Shipping
W 0.29 in D 0.23 in L 0.27 in
Certified Old Mine Cut Diamond, 1.49 Carat G SI1
Located in Antwerpen, BE
exceptional scarcity and value of these remarkable gems. While round brilliant diamonds are widely popular
Category

Early 18th Century Unknown Artisan Antique Loose Round Diamond

Materials

Diamond, White Diamond

Antique Certified Old Mine Cut Diamond, 1.49 Carat G SI1
Certified Old Mine Cut Diamond, 1.49 Carat G SI1
Free Shipping
W 0.29 in D 0.18 in L 0.28 in
LFG Certified 2.12 J/VVS2 Antique Old Mine Cushion Brilliant Cut Diamond
Located in Paris, FR
This Antique Old Mine Cushion Brilliant cut Diamond weights 2.12 carats with a J color (Beautiful
Category

1910s Unknown Belle Époque Antique Loose Round Diamond

Materials

Diamond

Art-Deco platinum ring with natural pearl and diamonds
Located in PARIS, FR
A platinum ring set with a large baroque pearl in a free-form diamond setting. The total weight of
Category

Early 1900s French Art Deco Antique Loose Round Diamond

Materials

Diamond, Natural Pearl, Platinum

Masriera 18KT Yellow Gold Dragonfly Brooch/ Pendant 2.94Ct Diamond 1.69Ct Ruby
By Luis Masriera
Located in New York, NY
diamonds and rubies are set throughout this very special brooch. Two loose chains are tipped with diamonds
Category

1920s Spanish Art Nouveau Antique Loose Round Diamond

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Antique 2.74ct dormeuse old european cut diamond earrings
Located in Malmö, SE
A pair of antique, Early 20th Century, silver and gold two-stone old European diamond dormeuse
Category

Early 1900s European Victorian Antique Loose Round Diamond

Materials

Diamond, Gold, 18k Gold, Yellow Gold, Silver

Antique Ring Diamonds solid 14K Gold Ø US9 / 2.7gr
Located in SE
Antique Halo type Ring featuring solid 14K Yellow Gold frame with 10 rose cut Diamonds /foiled
Category

1920s European Art Deco Antique Loose Round Diamond

Materials

Diamond, 14k Gold

Art Deco Pearl Single Strand Sapphire Diamond 18 Kt Clasp
Located in Napoli, IT
of 5 mm. in diameter (average) – 1 old mine cut diamond of approx .20 Ct – 2 round cut blue sapphires
Category

1920s European Art Deco Antique Loose Round Diamond

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 Antique Loose Round Diamond

Materials

Diamond, Garnet, 18k Gold, 14k Gold

Antique Dangle Earrings 2 ctw Diamonds 18K Gold Silver /7.8gr
Located in SE
A pair of antique pendants, parts in 18K Gold and Silver set with rose cut diamonds. European pair
Category

Late 18th Century European Renaissance Revival Antique Loose Round Diamond

Materials

Diamond, Pearl, 18k Gold, Silver

Antique Portuguese Ring Diamonds solid 19K Gold Silver ØUS11 /2.87gr
Located in SE
Antique Portuguese Diamond Ring, Renaissance styled. Band in Rose Gold, base of the crown in
Category

1920s Portuguese Art Nouveau Antique Loose Round Diamond

Materials

Diamond, 18k Gold, Silver

Antique Halo Ring 0.55 Diamonds solid 14K Gold 4.25US/ 2gr
Located in SE
Antique Halo Ring with Diamonds ,band in solid 14K Yellow Gold (tested) .Crown with top custers in
Category

Early 1900s European Art Deco Antique Loose Round Diamond

Materials

Diamond, 14k Gold

Old Austrian Ring Diamonds 14K Yellow White Gold Ø7.75US/ 2.5gr
Located in SE
9.35 mm x 3.15mm deep with bezel set eight cut Diamond stone (natural) Ø 3 x 1.6 mm deep / ca. 0.1 ct
Category

1920s Austrian Art Deco Antique Loose Round Diamond

Materials

Diamond, 14k Gold

Antique Finish Ring A.Tillander 0.65ct Sapphire 0.7ctw Diamonds Platinum Ø5.5US
Located in SE
diamond cut Diamonds Ø 4 mm x 3.2 mm deep / ca. 0.35 ct each/ color ca F,G / VS, one diamond with small
Category

1920s Finnish Art Deco Antique Loose Round Diamond

Materials

Diamond, Sapphire, Platinum

Antique Italian Halo Ring Sapphire Diamonds 12K Ø 7.75US / 4.2gr
Located in SE
Italian Halo Ring with natural Blue - Green Sapphire and 12 rose-cut Diamonds. Hand-made between
Category

1920s Italian Art Deco Antique Loose Round Diamond

Materials

Diamond, Sapphire, 10k Gold, Silver

Antique Ring 1ctw Diamonds solid Silver Ø US5.5 /2.5 gr
Located in SE
Unusual Antique Diamond ring with all metal parts in solid Silver. Very likely Russian made, I got
Category

Early 20th Century European Arts and Crafts Antique Loose Round Diamond

Materials

Diamond, Silver

Antique Austrian Ring natural 0.5ct Sapphire 0.8ctw Diamonds 14KGoldØUS8.5/2.6gr
Located in SE
Austrian Art - Deco period Sapphire and Diamonds Ring made between ca. 1920 -1940s. Crown is 9.6 mm
Category

1920s Austrian Art Deco Antique Loose Round Diamond

Materials

Diamond, Blue Sapphire, 14k Gold

1928 Nordic Ring Emerald Diamonds solid 18K Gold ØUS8 / 2gr
Located in SE
Emerald and Diamonds Ring made in 1928. Band in solid 18ct Yellow Gold with claws holding natural
Category

1920s Swedish Art Deco Antique Loose Round Diamond

Materials

Diamond, Emerald, 18k Gold

Antique Ring Diamonds solid 18K Yellow Gold US 5.25 / 2.5gr
Located in SE
A ring from late 19th - early 20th cent. featuring rose cut Diamonds arranged in navette - shaped
Category

Early 20th Century European Arts and Crafts Antique Loose Round Diamond

Materials

Diamond, 18k Gold

Antique Ring Diamonds solid 14K Rose Gold Silver Ø8US/ 3.7gr
Located in SE
Old Diamond Ring, likely dates to late 19th- early 20th century. No hallmarks. Hollow band in
Category

1910s European Art Nouveau Antique Loose Round Diamond

Materials

Diamond, 14k Gold, Silver, Rose Gold

Antique Alliance Ring Diamonds solid 14K Orange Gold Ø US7.75 /5.7gr
Located in SE
hallmarks. Rhombus shaped clusters in White Gold or Platinum with 4 old diamond cut Diamonds of equal
Category

1920s European Retro Antique Loose Round Diamond

Materials

Diamond, 14k 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

1910s Danish Art Deco Antique Loose Round Diamond

Materials

Diamond, 14k Gold, White Gold

Antique Ring Diamond Ruby Sapphire solid 18K Gold ØUS8/ 2.5gr
Located in SE
Ring in solid 18K Yellow Gold decorated with a row of natural Rubies, Diamonds and a natural Blue
Category

1920s European Art Deco Antique Loose Round Diamond

Materials

Diamond, Sapphire, Ruby, 18k Gold

Antique German Pendant Seed Pearls and Diamond solid 14K Gold /1.2gr
Located in SE
German natural Seed pearls and Diamond pendant made in ca. early 1900s. Vague hallmarks on the
Category

Early 1900s German Art Nouveau Antique Loose Round Diamond

Materials

Diamond, Pearl, 14k Gold

1929 Nordic Ring Sapphire Diamonds solid 18K Gold ØUS5 / 2.36 gr
Located in SE
Sapphire and Diamonds Ring in 18K Yellow Gold. Multiple claws with flat tips , all set with regular
Category

1920s Swedish Art Deco Antique Loose Round Diamond

Materials

Diamond, Sapphire, 18k 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

1880s Swedish Retro Antique Loose Round Diamond

Materials

Diamond, Emerald, 18k Gold

1917 Sigrid's Ring Diamonds Sapphire 18K Gold Ø US7.5 / 2.47gr
Located in SE
natural Diamonds and Blue Sapphire. Swedish hallmarks, 18K( Yellow Gold), maker's, Stockholm, date code
Category

1910s Swedish Art Deco Antique Loose Round Diamond

Materials

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

Antique Halo Ring Ruby Diamonds solid 14K Yellow Gold Ø4.5US / 3.2g
Located in SE
Halo Ring from ca .1920s -1930s with Ruby and 18 Diamonds. Not hallmarked, metal tested 14K. Crown
Category

1920s European Art Deco Antique Loose Round Diamond

Materials

Diamond, Ruby, 14k Gold

Antique Cross Crucifix Diamonds solid 18K Gold Blue Enamel / 6.7 gr
Located in SE
Russian or European ca. early XX cent. Gold, Enamel and Diamonds Cross Pendant. Handcrafted in 18K
Category

Early 1900s European Art Nouveau Antique Loose Round Diamond

Materials

Diamond, 18k Gold, Enamel

1928 Nordic Wedding Ring Pearl Diamonds solid 18K Gold ØUS7 /3.1gr
Located in SE
Old Swedish Wedding Halo Ring with a Pearl and Diamonds. Hallmarks of Swedish maker C.G Hallberg
Category

1920s Swedish Art Deco Antique Loose Round Diamond

Materials

Diamond, Pearl, 18k Gold

Antique German boxed Earrings 0.9ctw Diamonds solid 16K Gold Silver / 5.12gr
Located in SE
A pair of old German Diamond Earrings with folding hooks from ca 1920s - 1930s in an original Black
Category

1920s German Art Deco Antique Loose Round Diamond

Materials

Diamond, Gold, 15k Gold, Silver

Antique Bracelet 0.7ctw Diamonds solid Rose 18K Gold Silver/ 18cm/ 7.9gr
Located in SE
Silver bezels fused to solid 18K Rose Gold base with 13 old diamond cut Diamonds gradually sized, total
Category

Early 1900s European Art Nouveau Antique Loose Round Diamond

Materials

Diamond, 18k Gold, Silver

Antique European Ring Diamonds solid 18K Gold Ø 9.75 US / 2.8gr
Located in SE
European cut and 18 rose cut Diamonds. The Crown has inter-twisting bands with a top in Platinum adorned
Category

1920s European Art Nouveau Antique Loose Round Diamond

Materials

Diamond, 18k Gold, Platinum

Antique Russian Bracelet 0.5ctw Diamonds 18KGold Platinum/ 14.8cm-18 cm/10.5gr
Located in SE
five old diamond cut Siberian Diamonds and 14 rose cut Diamonds. Hallmarked with Swedish import
Category

Early 1900s European Art Nouveau Antique Loose Round Diamond

Materials

Diamond, 18k Gold, Platinum

1913 Ring 0.25ct Diamonds solid 18K Yellow Gold Platinum ØUS9.5/ 3gr
Located in SE
stone equally sized, old diamond round cut Diamonds Ø 2.75 mm / ca. 0.08 ct. each /total ca .025 ctw
Category

1910s European Art Deco Antique Loose Round Diamond

Materials

Diamond, Yellow Gold, Platinum

Antique Ring Diamonds solid 14K Rose Gold US 9.25/ 2.8gr
Located in SE
Silver. Largest stone is old European diamond cushion cut ca. 3 mm x 2.5 mm x 2mm deep / 0.15ct . Two
Category

Early 20th Century European Art Nouveau Antique Loose Round Diamond

Materials

Diamond, Silver, 14k Gold, Rose Gold

Antique Earrings natural 0.8 ctw Diamonds 18K Gold Platinum / 1.85 gr
Located in SE
A pair of old Platinum over 18K Yellow Gold Earrings set with 8 old diamond cut Diamonds with open
Category

Early 20th Century European Art Deco Antique Loose Round Diamond

Materials

Diamond, 18k Gold, Platinum

Antique Ring Diamonds Blue Enamel solid 18k Gold Ø 6US /5.2gr
Located in SE
Great looking ring with an attached floret of seven old diamond cut Diamonds pave set in white Gold
Category

Late 18th Century European Arts and Crafts Antique Loose Round Diamond

Materials

Diamond, 18k Gold, Enamel

Antique Cuff-links Austrian Empire Diamonds Onyx solid 14K Gold / 7.32gr
Located in SE
long. Removable buttons made of Black Onyx 16 mm x 11 mm, Rose cut Diamonds in Silver bezels Ø 2.5 mm
Category

Early 1900s Austrian Art Nouveau Antique Loose Round Diamond

Materials

Diamond, Onyx, Silver, 14k Gold

Antique Necklace Natural Pearls Diamonds Emeralds solid 18K Gold /40cm/ 5.6gr
Located in SE
with 3 old diamond cut Diamonds and 22 calibre cut Emeralds. Chain in White Gold or Platinum for best
Category

Early 1900s European Art Nouveau Antique Loose Round Diamond

Materials

Emerald, Diamond, Natural Pearl, 18k Gold

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

1910s Russian Art Nouveau Antique Loose Round Diamond

Materials

Diamond, 14k Gold

1929 Nordic Ring 1ctw Diamonds solid 18K Gold Ø 5.5 US /3gr
Located in SE
Swedish Art Deco period Ring featuring old diamond cut Diamonds arranged in fancy eye-shaped
Category

1920s Swedish Art Deco Antique Loose Round Diamond

Materials

Diamond, 18k Gold

Antique German Ring 0.7ctw Diamonds solid 14K Yellow Gold Silver Ø6.75US/2.55gr
Located in SE
Antique German Ring with Diamonds dating to ca. early 20th century. Band in solid 14K Yellow Gold
Category

Early 1900s German Art Nouveau Antique Loose Round Diamond

Materials

Diamond, 14k Gold, Silver

Antique German Halo Ring 2.25ct Turquoise Diamonds solid 14K GoldØ5US/2.3gr
Located in SE
5.5 mm x 3.5 mm deep / ca 2.25ct and 15 rose cut Diamonds Ø 1.75mm / 0.025ct each / ca 0.37 ct total
Category

Late 19th Century German Arts and Crafts Antique Loose Round Diamond

Materials

Diamond, Turquoise, 14k Gold

1872 Nordic Ring 0.5 ctw Diamonds solid 23K Gold US 8.25 /4.3g
Located in SE
Antique Three Stones Diamond Wedding Ring in solid 23K Yellow Gold. Crown top clusters in Silver
Category

1870s Swedish Renaissance Revival Antique Loose Round Diamond

Materials

Diamond, 22k Gold, Silver

Antique Halo Ring Diamonds solid 18K Gold Silver Ø US7.75 /8gr
Located in SE
Diamond Flower Ring, Renaissance styled. Likely German, made ca. 1850s -1920s. The band is
Category

Early 1900s European Renaissance Revival Antique Loose Round Diamond

Materials

Diamond, 18k Gold, Yellow Gold, Silver

1907 Nordic Alliance Wedding Ring Diamonds solid 20K Gold US6 /4.25gr
Located in SE
Nordic Alliance Wedding Ring in solid 20K Gold with lane in Platinum for 7 pave set diamond cut
Category

Early 1900s Swedish Art Nouveau Antique Loose Round Diamond

Materials

Diamond, Platinum, Gold, 22k Gold

Antique halo Ring Sapphire Diamonds solid 18K Gold Platinum Ø US9.5 / 3.26gr
Located in SE
14 natural Diamonds in Platinum settings. Sapphire of oval cut, color is medium Blue, measures: 9 mm
Category

1920s European Art Deco Antique Loose Round Diamond

Materials

Diamond, Sapphire, 18k Gold, Platinum

Antique Ring natural 0.5ct Sapphire Diamonds 18K Gold Platinum ØU7.25 /2.25gr
Located in SE
/ ca. 0.5 ct. and two prong set old diamond cut natural Diamonds Ø 2 mm / ca. 0.06ct each / F,G / VS
Category

1920s European Art Deco Antique Loose Round Diamond

Materials

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

Antique Thee Stone Ring 0.45ctw Diamonds 14K Yellow Gold Platinum ØUS8.25/3.3gr
Located in SE
natural hand-cut Diamond stones with open backs: largest is an old diamond round cut Diamond 3.5 mm x 1.7
Category

1920s European Art Deco Antique Loose Round Diamond

Materials

Diamond, 14k Gold, Platinum

1926 Nordic Ring 0.36ct Diamond solid 23K Gold Platinum Ø7US / 5.4gr
Located in SE
Fine 23K Antique Wedding Ring in original leather and silk box. Brilliant cut diamond Ø 4.25 mm
Category

1920s Swedish Art Deco Antique Loose Round Diamond

Materials

Diamond, Gold, 22k Gold, Platinum

Antique halo ring 1ct Sapphire 0.8ctw Diamonds 18K Gold Platinum US4.75/2.8gr
Located in SE
Beautiful Halo Ring in solid 18K Yellow Gold with natural Blue Sapphire and 10 Diamonds in White
Category

1910s Swedish Art Nouveau Antique Loose Round Diamond

Materials

Diamond, Sapphire, 18k Gold, Platinum

Antique Art - Deco Ring 1.2ct Sapphire Diamonds solid Platinum ØUS 7.25 /3gr
Located in SE
Beautiful Sapphire + Diamonds + Platinum Ring from 1900s -1920s. All metal parts of this ring are
Category

1920s German Art Deco Antique Loose Round Diamond

Materials

Diamond, Sapphire, Platinum

Antique Halo Ring 0.45ct Diamond Sapphires 18K Gold Silver ØUS6.75 /2.9 gr
Located in SE
Very unusual Halo thing, with Sapphires accenting Diamond in the center of the flower.This design
Category

Early 20th Century European Art Nouveau Antique Loose Round Diamond

Materials

Diamond, Sapphire

Antique European Ring 0.5 ct Diamond solid 18K Gold Ø US6 / 3.7gr
Located in SE
has a detailed floral open work crown 20 mm x 11 mm at axes x 3.5 mm deep with an off-round rose hand
Category

Early 20th Century European Art Nouveau Antique Loose Round Diamond

Materials

Diamond, 18k Gold

Antique Cross Over Ring 0.45ctw. Diamonds Pearl 18K Gold Platinum ØUS7.5 /1.9gr
Located in SE
Swedish ca.1900a - 1920s cross-over ring with Platinum on 18K Gold parts set with 11 old diamond
Category

1910s Swedish Art Nouveau Antique Loose Round Diamond

Materials

Diamond, Pearl, 18k Gold, Platinum

Antique German Ring natural 0.7ct Ruby Diamonds solid 14K Gold ØUS9 / 2.8gr
Located in SE
Beautiful Three Stones Ruby and Diamonds Ring hand-made in Germany ca. 1920s - 1930s. Hallmarks of
Category

1920s German Art Deco Antique Loose Round Diamond

Materials

Diamond, Ruby, 14k Gold

1904 Toi et Moi Ring natural Sapphire Diamonds solid 18K GoldØ3.25/2.3gr
Located in SE
deep/ca.0.3ct each accented with eight pave set old European diamond cut cut Diamonds Ø 1.5mm / 0.015
Category

Early 1900s Swedish Art Nouveau Antique Loose Round Diamond

Materials

Diamond, Sapphire, 18k Gold

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Antique Loose Round Diamond For Sale on 1stDibs

Surely you’ll find the exact antique loose round diamond you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Every item for sale was constructed with extraordinary care, often using 10k gold, bronze and copper. In our selection of items, you can find a vintage example as well as a contemporary version. If you’re looking for an antique loose round 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. An antique loose round diamond from Antinori Fine Jewels — each of whom created a beautiful version of this treasured accessory — is worth considering. An antique loose round diamond can make for a versatile accessory, but a selection from our variety of 11 diamond versions can add an especially stylish touch. See these pages for a round cut iteration of this accessory, while there are also antique cushion cut cut and old european cut cut versions available here, too. If you’re browsing our inventory for an antique loose round 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 a Antique Loose Round Diamond?

The price for an antique loose round diamond starts at $349 and tops out at $34,049 with these loose-gemstones, on average, selling for $1,999.