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4.14 Carat Old European Cut Diamond Ring with Cali...
Hancocks
2010s Contemporary Onyx Engagement Rings
Platinum, Diamond
A strikingly beautiful diamond and onyx ring by Hancocks centred on an old European brilliant cut diamond weighing 4.14 carats and of M colour and VVS2 clarity claw set between slender ...
Elegant Art Deco Diamond Black Onyx White Gold Ring

Elegant Art Deco Diamond Black Onyx White Gold Rin...
Unknown
Vintage 1920s Art Deco Onyx Engagement Rings
14k Gold, White Gold, Diamond
Elegant Art Deco diamond black onyx and 14k white gold ring rounded navette shaped overall design - sleek tailored engraved edged 14k white gold mount centrally set .70 ct Old European ...
1920s Art Deco Black Onyx and Diamond Yellow Gold ...
Unknown
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...
Art Deco 1.61 Carat GIA Diamond Onyx Platinum Ring...
Unknown
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 ...
.45 Carat Diamond Platinum Engagement Ring
On Hold
.45 Carat Diamond Platinum Engagement Ring
Unknown
Early 20th Century Art Deco Onyx Engagement Rings
Platinum
Item Details: Ring Size: 5.90 Metal Type: Platinum Weight: 6.4 grams Center Diamond Details Shape: Old European Carat Weight: .45 Carat Color: F Clarity: SI1 Side Stone Details: Sha...
Art Deco Diamond and Onyx Ring

Art Deco Diamond and Onyx Ring
Unknown
Vintage 1930s Art Deco Onyx Engagement Rings
Gold, White Gold, Diamond, White Diamond
Art Deco white gold, diamond and onyx ring, France, set in the center with an old European-cut diamond weighing 1.38 carats, within a carved onyx frame, accented by single-cut diamonds ...
1930s 0.60 Carat Diamond and Onyx Platinum Ring
Unknown
Mid-20th Century Art Deco Onyx Engagement Rings
Platinum, Diamond
1930s Art Deco Ring. This Stunning Ring exemplifies Art Deco style, Geometric Design in Contrasting Colors. Features a .60 carat Old European Center Stone in an 8 prong setting, framed...
Original Art Deco White Gold, Onyx and Old Cushion Cut Diamond Ring
Original Art Deco White Gold, Onyx and Old Cushion...
Unknown
Vintage 1920s Art Deco Onyx Engagement Rings
18k Gold, Diamond
ne, Art Deco, 18ct white gold, onyx and old cushion cut Diamond ring. Featuring, one old cushion cut Diamond, grain set in a millegrained hexagonal bezel which is inset in a rectangular...
.64 Carat GIA Certified Diamond Coral Onyx Platinu...
Unknown
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...
1.11 GIA Certified Carat Diamond, Onyx Platinum En...
Unknown
Early 20th Century Art Deco Onyx Engagement Rings
Platinum, White Diamond
Item Details: Ring Size: 5.50 Metal Type: Platinum Weight: 3.1 grams Center Diamond Details GIA CERTIFIED Center Diamond - Certificate # [1182851378] Shape: Circular Brilliant Carat W...
Black Starr & Frost 1.03 Carat Diamond Onyx Platinum Cocktail Ring
Black Starr & Frost 1.03 Carat Diamond Onyx Platin...
Early 20th Century Onyx Engagement Rings
Platinum, Diamond
Art Deco Black Star & Frost Calibré cut black Onyx and Emerald step cut center diamond in a platinum setting with accent diamonds. 1 Emerald step cut diamond, approx. total weight 1.0...
Art Deco Onyx and Diamond Ring

Art Deco Onyx and Diamond Ring
Unknown
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
Fabulous Diamond Emerald Onyx Ring

Fabulous Diamond Emerald Onyx Ring
Unknown
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...
Art Deco Onyx and Diamond Ring, circa 1940s
Art Deco Onyx and Diamond Ring, circa 1940s
Unknown
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...
Geometric Diamond Emerald Onyx Platinum Cocktail Ring
On Hold
Geometric Diamond Emerald Onyx Platinum Cocktail R...
Unknown
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

Art Deco Onyx Diamond Platinum Ring
Unknown
Vintage 1920s Art Deco Onyx Engagement Rings
Platinum, Diamond
Centering old mine-cut diamonds to scalloped shaped black onyx sides, mounted in platinum, circa 1920 Size 7
Art Deco Inspired Diamond and Onyx Ring, circa 194...
Unknown
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 car...
1920s Diamond and Black Onyx Yellow Gold Art Deco ...
Unknown
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...
Enticing .64 Carat GIA Certified Diamond Emerald O...
Unknown
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...
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...
 Onyx Mosaic Emerald Diamond Platinum Engagement Ring
Onyx Mosaic Emerald Diamond Platinum Engagement R...
Unknown
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

On Hold
Art Deco Onyx 1.77 Carat Diamond Gold Ring
Unknown
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 ...
1900s French Onyx Diamond Gold Platinum Ring
Unknown
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 di...
1910s Onyx and Diamond Yellow Gold Cocktail Ring
Unknown
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 ...
GIA 1.01ct Marquise Cut Diamond Onyx Engagement Ri...
Unknown
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...
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...
1.89 Carat GIA Certified Onyx Diamond Engagement R...
Unknown
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...
1.74ct Old Mine Cut Diamond Onyx Platinum Ring
1.74ct Old Mine Cut Diamond Onyx Platinum Ring
Unknown
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 ...
1.13 Carat Art Deco Diamond and Onyx Ring
1.13 Carat Art Deco Diamond and Onyx Ring
Unknown
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...
Art Deco 2.03ct. Diamond Onyx Platinum Engagement ...
Unknown
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...