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Dealer Location: Narberth, PA
Stone: Diamond, Onyx
Metal: Platinum
Art Deco 0.30 Carat Centre Diamond Onyx Ring
Unknown
Vintage 1920s Art Deco Onyx Engagement Rings
Platinum, Diamond
A gorgeous onyx and diamond ring from the Art Deco era (ca1920)! Crafted in platinum, the design is both bold and stylish. At the center is a square plaque that has been hand carved fro...
Art Deco Triple Diamond Onyx Platinum Ring
Dealer Location: Tampa, FL
Stone: Diamond, Onyx
Metal: Platinum
Art Deco Triple Diamond Onyx Platinum Ring
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Vintage 1920s Art Deco Onyx Engagement Rings
Platinum, Diamond
WOW! A very unique Art Deco diamond & onyx Antique engagement or fashion ring features 1.00ct. apx. T.W. of European cut diamonds with VS1-VS2 clarity and H-I color. The onyx baguettes ...
Dealer Location: Boston, MA
Stone: Diamond, Onyx, Blue Sapphire
Metal: Platinum
Dramatic Onyx Sapphire Diamond Platinum Engagement...
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20th Century Onyx Engagement Rings
Platinum, Diamond, Blue Sapphire
Beacon Hill Jewelers Presents: A fantastic diamond, sapphire, and onyx engagement ring in luxurious platinum. Centered by a 0.75 carat European cut diamond this ring features a double ...
Art Deco Onyx and Diamond Ring
Dealer Location: London, GB
Stone: Diamond, Onyx
Metal: Platinum
Art Deco Onyx and Diamond Ring
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Vintage 1920s Art Deco Onyx Engagement Rings
Platinum, Diamond
Platinum set Art Deco Onyx and Diamond ring. Centre Diamond .36ct (est ) Finger size O 1/2
Dealer Location: New York, NY
Stone: White Diamond, Onyx
Metal: 14k Gold, Yellow Gold, Platinum
1905 Edwardian Platinum and Yellow Gold 1.05 Carat...
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Antique Early 1900s Edwardian Onyx Engagement Rings
14k Gold, Yellow Gold, Platinum, White Diamond
Item Details: Ring Size: 5 Metal Type: Platinum & 14 Karat Yellow Gold Weight: 3.0 grams Center Diamond Details: Shape: Old European Cut Carat Weight: 1.05 carat Color: H Clarity: I1 ...
Dimensions: W 0.39 in.
Dealer Location: New York, NY
Stone: Diamond, Onyx
Metal: Platinum
0.99 Carat GIA Certified Diamond Platinum Engageme...
Unknown
Early 20th Century Art Deco Onyx Engagement Rings
Platinum, Diamond
This fabulous platinum engagement ring from the Art Deco era is centered with a sparkling GIA certified old mine cut diamond that weighs 0.99ct. graded G color with SI1 clarity. Accentu...
Dimensions: W 0.43 in.
Dealer Location: New York, NY
Stone: Diamond, Onyx
Metal: Platinum
Art Deco 1.61 Carat GIA Diamond Onyx Platinum Ring...
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Early 20th Century Art Deco Onyx Engagement Rings
Platinum, Diamond
Handcrafted from the Art Deco era, this beautiful ring centers a sparkling GIA certified old European cut diamond that weighs 1.61ct. graded J color with I1 clarity. The center diamond ...
Dealer Location: Melbourne, AU
Stone: Diamond, Onyx
Metal: Platinum
Art Deco 2.20 Carat Transition Cut Diamond and Ony...
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Vintage 1920s Art Deco Onyx Engagement Rings
Platinum, Diamond
A platinum French Art Deco ring featuring a central 2.20ct transition cut diamond graded as colour J clarity SI1 accompanied by a GIA certificate bezel set within an octagonal piece of ...
Fabulous Diamond Emerald Onyx Ring
Dimensions: H 1 in. W 1 in. D 1 in. Dm 1 in.
Dealer Location: New Orleans, LA
Stone: Diamond, Emerald, Onyx
Metal: Platinum
Fabulous Diamond Emerald Onyx Ring
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Vintage 1940s Art Deco Onyx Engagement Rings
Platinum, Diamond, Emerald
Magnificent Art Deco style diamond, emerald and onyx ring. The center european cut diamond weighs approx. 1.57cts, has H-I color and SI1-SI2 clarity. It is bezel set and is surrounded w...
Dealer Location: London, GB
Stone: Diamond, Onyx
Metal: 18k Gold, Platinum
Art Deco Onyx and Diamond Ring, circa 1940s
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Vintage 1940s Onyx Engagement Rings
18k Gold, Platinum, Diamond
The centre Onyx stone weighs in at 2.50 carat and has a unique pear cabachon cut. The stone is beautifully highlighted with transitional cut diamonds totalling 0.85 carat. The halo desi...
Dealer Location: Miami, FL
Stone: Diamond, Emerald, Onyx
Metal: Platinum
Geometric Diamond Emerald Onyx Platinum Cocktail R...
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2010s Art Deco Onyx Engagement Rings
Platinum, Diamond, Emerald
This elaborately designed and aesthetically fascinating cocktail engagement ring is crafted in solid platinum. Artfully designed as a stylized pyramidal plaque, it is centered with a p...
Art Deco Onyx Diamond Platinum Ring
Dealer Location: Firenze, IT
Stone: Diamond, Onyx
Metal: Platinum
Art Deco Onyx Diamond Platinum Ring
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Vintage 1920s Art Deco Onyx Engagement Rings
Platinum, Diamond
PLEASE NOTE: OUR PRICE IS FULLY INCLUSIVE OF SHIPPING, IMPORTATION TAXES & DUTIES. Centering old mine-cut diamonds to scalloped shaped black onyx sides, mounted in platinum, circa 1920...
Dealer Location: London, GB
Stone: Diamond, Onyx
Metal: 18k Gold
Art Deco Inspired Diamond and Onyx Ring, circa 194...
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Vintage 1940s Onyx Engagement Rings
18k Gold, Diamond
Quintessentially Art Deco in style, but dating from the 1940s, this distinctive ring centres a 1.07 carat round brilliant cut diamond in a chic onyx-accented setting. A further 0.38 ca...
Dealer Location: Boston, MA
Stone: Diamond, Onyx, Ruby
Metal: Platinum
Dramatic Onyx Ruby Diamond Platinum Engagement Rin...
Beacon Hill Jewelers
21st Century and Contemporary Onyx Engagement Rings
Platinum, Diamond, Ruby
Beacon Hill Jewelers Presents: A fantastic diamond, ruby, and onyx engagement ring in luxurious platinum. Centered by a 0.75 carat European cut diamond this ring features a double ha...
1920s Diamond and Black Onyx Yellow Gold Art Deco Ring
Dimensions: H 0.11 in. W 0.66 in.
Dealer Location: Jesmond, GB
Stone: Diamond, Onyx
Metal: Gold, 18k Gold, White Gold, Yellow Gold
1920s Diamond and Black Onyx Yellow Gold Art Deco ...
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Vintage 1920s Art Deco Onyx Engagement Rings
Gold, 18k Gold, White Gold, Yellow Gold, Diamond
An impressive 0.59 carat diamond and black onyx, 18 karat yellow gold and 18 karat white gold set cocktail ring; part of our diverse antique jewelry and estate jewelry collections This...
Dimensions: Dm 0.45 in.
Dealer Location: New York, NY
Stone: Diamond, Emerald, Onyx
Metal: Platinum
Enticing .64 Carat GIA Certified Diamond Emerald O...
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20th Century Art Deco Onyx Engagement Rings
Platinum, Diamond, Emerald
Made of platinum, this ring is centered with a sparkling GIA certified old European brilliant cut diamond that weighs 0.64ct. graded J color with VS2 clarity. Accentuating the center st...
Dealer Location: London, GB
Stone: Black Diamond, Onyx
Metal: Platinum
Art Deco Tiffany & Co. Diamond Onyx Panel Ring
Tiffany & Co
Vintage 1920s Onyx Engagement Rings
Platinum, Black Diamond
Tiffany & Co. diamond and onyx cluster ring. Centrally set with a round old cut diamond in an open back grain set square collet with a weight of 0.45 carats, decorated throughout with f...
Art deco Onyx Diamond  Gold Ring
Dealer Location: Napoli, IT
Stone: Diamond, Onyx
Metal: 18k Gold
Art deco Onyx Diamond Gold Ring
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Mid-20th Century Art Deco Onyx Engagement Rings
18k Gold, Diamond
A magnificent Art Deco ring, featuring round cut diamonds, surrounded by onyx and a fine diamond surround, set in 18k gold. Total diamond weight: about 0.50 carat. G color Vvs2 clarity...
Dramatic 0.56 Carat Onyx and Diamond Engagement Ring
Dealer Location: Boston, MA
Stone: Diamond, Onyx
Metal: White Gold
Dramatic 0.56 Carat Onyx and Diamond Engagement Ri...
Unknown
20th Century Onyx Engagement Rings
White Gold, Diamond
Beacon Hill Jewelers Presents: A dramatic diamond engagement ring in 14 karat white gold. Centered by a 0.56 carat European cut diamond this ring features a double halo of pave set dia...
Dimensions: H 0.22 in. W 0.59 in.
Dealer Location: Jesmond, GB
Stone: Black Diamond, Onyx
Metal: 18k Gold, White Gold, Yellow Gold
1920s Art Deco Black Onyx and Diamond Yellow Gold ...
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Vintage 1920s Art Deco Onyx Engagement Rings
18k Gold, White Gold, Yellow Gold, Black Diamond
A fine and impressive antique French Art Deco black onyx panel and 0.95 carat diamond, 18 carat yellow gold and 18 carat white gold set dress ring; part of our diverse antique jewellery...
Dimensions: Dm 0.45 in.
Dealer Location: New York, NY
Stone: Coral, Diamond, Onyx
Metal: Platinum
.64 Carat GIA Cert Diamond Coral Onyx Platinum Eng...
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20th Century Art Deco Onyx Engagement Rings
Platinum, Coral, Diamond
This platinum ring centers an ice white GIA certified old European cut diamond that weighs 0.64ct. graded D color with VS1 clarity. Accentuating the center stone are high quality calibr...
Dealer Location: New York, NY
Stone: Emerald, Onyx, White Diamond
Metal: 18k Gold
1930s Art Deco 1.20 Carat Old Cushion Cut Diamond ...
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Vintage 1930s Art Deco Onyx Engagement Rings
18k Gold, Emerald, White Diamond
Here we have an awesome 1930's art deco masterpiece. It really is one of the nicest we have seen! The center diamond is an old mine-cushion cut diamond with a beautiful fire and scintil...
Dealer Location: Stamford, CT
Stone: Diamond, Emerald, Onyx
Metal: Platinum
Onyx Mosaic Emerald Diamond Platinum Engagement R...
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Vintage 1930s Onyx Engagement Rings
Platinum, Diamond, Emerald
Diamond Emerald Onyx Mosaic Platinum Engagement Ring. Transitional brilliant cut diamond in a Calibré cut genuine Emerald and black Onyx ring in Platinum. 1 round diamond, approx. ...
Art Deco Onyx 1.77 Carat Diamond Gold Ring
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Dealer Location: Napoli, IT
Stone: Diamond, Onyx, White Diamond
Metal: 18k Gold
Art Deco Onyx 1.77 Carat Diamond Gold Ring
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20th Century Art Deco Onyx Engagement Rings
18k Gold, Diamond, White Diamond
A magnificent Art Deco style 18k white Gold ring set featuring a 1.77 carat Old European-cut Diamond with a calibré-cut onyx square frame, at each side there is a geometric design set ...
Dealer Location: Poitiers, FR
Stone: Diamond, Onyx, White Diamond
Metal: 18k Gold, Gold, Platinum, Yellow Gold
1900s French Onyx Diamond Gold Platinum Ring
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Early 20th Century Art Nouveau Onyx Engagement Rings
18k Gold, Gold, Platinum, Yellow Gold, Diamond, White Diamond
Ring in platinium and 18 carat yellow gold, dog and eagle heads hallmarks. This magnificent antique ring is composed of a delicately chiselled oval mount bezel set with an onyx disc...
1910s Onyx and Diamond Yellow Gold Cocktail Ring
Dimensions: W 0.7 in. D 0.25 in.
Dealer Location: Jesmond, GB
Stone: Diamond, White Diamond, Onyx
Metal: 15k Gold
1910s Onyx and Diamond Yellow Gold Cocktail Ring
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Vintage 1910s Art Deco Onyx Engagement Rings
15k Gold, Diamond, White Diamond
A fine and impressive 0.38 carat diamond and black onyx, 12k yellow gold dress ring with a 12k white gold setting; part of our diverse antique jewellery and estate jewelry collections ...
Art deco Onyx and Diamond Ring
Dealer Location: Poitiers, FR
Stone: Diamond, Onyx, White Diamond
Metal: 18k Gold, Gold, White Gold
Art deco Onyx and Diamond Ring
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21st Century and Contemporary Art Deco Onyx Engagement Rings
18k Gold, Gold, White Gold, Diamond, White Diamond
Ring in 18 carat white gold. In a rectangular form, this ring is adorned with a central rectangular onyx featuring a central bezel set brilliant cut diamond. At each corner there is a...
Art deco Coral Onyx and Diamond Ring
Dealer Location: Poitiers, FR
Stone: Coral, Diamond, Onyx, White Diamond
Metal: 18k Gold, Gold, White Gold
Art deco Coral Onyx and Diamond Ring
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21st Century and Contemporary Art Deco Onyx Engagement Rings
18k Gold, Gold, White Gold, Coral, Diamond, White Diamond
Ring in 18 carat white gold. Oval in form, this ring features a central double claw set oval coral cabochon with a halo of diamonds bordered with a circle of onyx. At each side 3 diam...
Dealer Location: Paris, FR
Stone: Onyx, White Diamond
Metal: Platinum
Art Deco 4 Carat Round Diamond Onyx Platinum Ring
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Early 20th Century Art Deco Onyx Engagement Rings
Platinum, White Diamond
A magnificent platinum Art Deco rectangular shaped ring set in the middle with an old cut diamond. The central stone is inlaid in a piece of onyx surrounded with diamonds. Diamond we...
Dimensions: W 0.77 in.
Dealer Location: New York, NY
Stone: Diamond, Onyx
Metal: Platinum
GIA 1.01ct Marquise Cut Diamond Onyx Engagement Ri...
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20th Century Onyx Engagement Rings
Platinum, Diamond
This stunning platinum ring is centered with a sparkling GIA certified marquise cut diamond that weighs 1.01ct. and is graded G color with VS1 clarity. The center stone is accentuated b...
Dealer Location: New York, NY
Stone: Diamond, Onyx
Metal: Platinum
1.11 Carat Old European Cut Diamond Onyx Platinum ...
Unknown
20th Century Onyx Engagement Rings
Platinum, Diamond
This gorgeous platinum ring centers a sparkling GIA certified old European cut diamond that weighs 1.11ct.and is graded I color with VS2 clarity. The center stone is accentuated by love...
Dealer Location: New York, NY
Stone: Diamond, Onyx
Metal: Platinum
1.89 Carat GIA Certified Onyx Diamond Engagement R...
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Early 20th Century Onyx Engagement Rings
Platinum, Diamond
This amazing platinum ring centers a sparkling GIA certified old European cut diamond that weighs 1.89ct. and is graded K color with VS1 clarity. The center stone is accentuated by roun...
Dealer Location: New York, NY
Stone: Diamond, Onyx
Metal: Platinum
1.74ct Old Mine Cut Diamond Onyx Platinum Ring
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Early 20th Century Art Deco Onyx Engagement Rings
Platinum, Diamond
Made of platinum, this ring centers a sparkling EGL certified old mine cut diamond that weighs 1.74ct. The color of the diamond is I-J with VS2 clarity. The center stone is accentuated ...
Dealer Location: Los Angeles, CA
Stone: Diamond, Onyx
Metal: Platinum
1.13 Carat Art Deco Diamond and Onyx Ring
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Mid-20th Century Art Deco Onyx Engagement Rings
Platinum, Diamond
This gorgeous platinum ring features a beautiful bezel set 1.13 carat Old European Cut diamond that is G-H in color and VS2 in clarity with an EGL certificate. The diamond is surrounded...
Dimensions: W 0.31 in.
Dealer Location: New York, NY
Stone: Diamond, Onyx
Metal: Platinum
Art Deco 2.03ct. Diamond Onyx Platinum Engagement ...
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Early 20th Century Art Deco Onyx Engagement Rings
Platinum, Diamond
This stunning platinum engagement ring from the Art Deco era, centers a sparkling GIA certified old mine brilliant cut diamond that weighs 2.03ct. and is graded G color with VS2 clarity...