Platinum Engagement Rings
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Metal: Platinum
Gemstone: Onyx
One Onyx Emerald Platinum RingOne Onyx Emerald Platinum Ring
Located in Beverly Hills, CA
One Onyx Emerald Platinum Ring. Featuring one triangular cut onyx weighing approximately 3.30 carat. Accented by 29 calibre cut emeralds with a total weight of approximately 0.55 car...
Category
21st Century and Contemporary Platinum Engagement Rings
Materials
Emerald, Onyx, Platinum
Antique Art Deco Old Mine Diamond & Onyx Target Engagement Ring
Located in Santa Barbara, CA
A unique and striking antique Art Deco engagement ring centered by an old mine cut diamond floating in a black onyx pool. This antique target ring displays both rich 18k yellow gold ...
Category
Early 20th Century Art Deco Platinum Engagement Rings
Materials
Diamond, Onyx, 18k Gold, Platinum
GIA 2.42 Carat Triangular Cut Diamond Onyx Platinum Ring
Located in Beverly Hills, CA
One GIA 2.42 Carat Triangular Cut Diamond Onyx Platinum Ring. Featuring one GIA modified triangular step cut diamond of 2.42 carats, accompanied by GIA #6224466722 stating the diamon...
Category
21st Century and Contemporary Platinum Engagement Rings
Materials
Diamond, White Diamond, Onyx, Platinum
Art Deco Old Mine Cut Diamond Onyx Quartz Platinum 18 Karat Gold Vintage Ring
Located in Philadelphia, PA
Centering an old mine cut diamond weighing 0.21 carat - I color with VS2 clarity
Set in a milgrain bezel with an oval-shaped surround of carved onyx
Measuring 8.5 x 15.5 mm - opaque...
Category
1930s Art Deco Vintage Platinum Engagement Rings
Materials
Diamond, Onyx, Quartz, Gold, 18k Gold, Yellow Gold, Platinum
Circa 1930s Art Deco Onyx & Diamond GIA 1.26ct Old European Brilliant Ring
Located in Atlanta, GA
Year: 1930s
Item Details:
Ring Size: 7.5
Metal Type: Platinum [Hallmarked, and Tested]
Weight: 6.5 grams
Center Diamond Details:
GIA Report#: 6234063629
Weight: 1.26ct total weigh...
Category
1930s Unknown Art Deco Vintage Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
Antique Platinum 1920’s Onyx, Sapphire & Diamond Ring
Located in Brighton, GB
Antique Onyx Ring
Platinum Stamped
Circa 1920’s
Beautiful Square Shaped Antique Ring. Set with a Centre Cabochon Onyx, Cabochon Sapphire Corners & a Halo of Brilliant Cut Diamon...
Category
Early 20th Century English Art Deco Platinum Engagement Rings
Materials
Diamond, Onyx, Sapphire, Platinum
Art Deco GIA 1.11 Carat Old Mine Cut Diamond, Onyx, and Emerald Platinum Dinner
Located in Beverly Hills, CA
One Art Deco GIA 1.11 Carat Old Mine Cut Diamond, Onyx, and Emerald Platinum Dinner Ring. Featuring one old mine cut diamond of 1.11 carats, accompanied with GIA #6465368357 stating ...
Category
1920s Art Deco Vintage Platinum Engagement Rings
Materials
Onyx, Emerald, White Diamond, Diamond, Platinum
Antique 1920’s 18ct Gold & Platinum, French Onyx and Diamond Ring
Located in Brighton, GB
Antique Onyx Ring
18ct Gold & Platinum Tested
Circa 1920’s
A fabulous, rounded-square shaped ring. Featuring a beautiful, flat onyx, set with a n...
Category
Early 20th Century French Platinum Engagement Rings
Materials
Diamond, Onyx, Gold, 18k Gold, Platinum
Art Deco Platinum Halo Onyx and Diamond Ring
Located in Narberth, PA
A striking ring from the Art Deco (ca1930s) era! Crafted in platinum, this ring adorns an old Mine Cut diamond within a bezel setting. The diamond, weighing approximately 2.46ct in L...
Category
1930s Unknown Art Deco Vintage Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
1.08ct Asscher Cut Aquamarine Engagement Ring, Diamond & Onyx Halo, Platinum
Located in New York, NY
This Art Deco-inspired ring showcases a 1.08-carat Asscher cut aquamarine, accented by onyx and a geometric arrangement of pave-set old European cut diamonds. The diamonds weigh arou...
Category
21st Century and Contemporary Unknown Art Deco Platinum Engagement Rings
Materials
Aquamarine, Diamond, Onyx, Platinum
2 Carat Old European Cut Diamond Emerald Onyx Engagement Ring
Located in Santa Barbara, CA
This sensational Art Deco inspired engagement ring has a trio of gemstones that have come to be our favorite combination; diamond, emerald, and onyx. There is something so special ab...
Category
21st Century and Contemporary Art Deco Platinum Engagement Rings
Materials
Diamond, Emerald, Onyx, Platinum
Art Deco Certified Colombian Emerald Diamond Onyx Rare Ring
Located in Napoli, IT
Utterly Enchanting
An impressive, authentic Art Deco ring expressing in full the sophisticate elegance of the period, 1925/30 ca
Rare in design , magnificent in workmanship, the larg...
Category
1920s French Art Deco Vintage Platinum Engagement Rings
Materials
Diamond, Emerald, Onyx, Platinum
Antique 2.25 Old Euro-Cut Diamond Ring, Onyx Halo, Platinum, circa 1920
Located in New York, NY
An antique Art Deco ring featuring a 2.25 carat old European cut diamond bezel-set in buffed onyx. The M color and VS2 clarity diamond is held b...
Category
1920s Art Deco Vintage Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
1.24 Carat Old Euro-Cut Diamond Ring, Onyx Halo, Platinum
Located in New York, NY
An Art Deco inspired ring with natural onyx and bullet-cut diamonds accenting the center old European cut diamond. The diamond is J color, VS2 clarity, and approximately 1.24 carats,...
Category
21st Century and Contemporary Art Deco Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
Vintage Art Deco Diamond and Onyx Target Ring Set in Platinum
Located in London, GB
A highly unique Art Deco onyx and diamond abstract target ring set in platinum.
This beautiful piece is centrally set with a 0.50 carat old cut diamond, securely millegrain set amon...
Category
1910s British Art Deco Vintage Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
4.17 Carat Trillion Red Spinel Diamond Onyx Vintage Platinum Ring Estate
Located in Montreal, QC
Simply Beautiful! Elegant and finely detailed Art Deco Revival Trillion Red Spinel, Onyx and Diamond Platinum Vintage Cocktail Ring. Cen...
Category
21st Century and Contemporary Art Deco Platinum Engagement Rings
Materials
Diamond, Onyx, Spinel, Platinum
.64 Carat GIA Certified Diamond Coral Onyx Platinum Engagement Ring
Located in New York, NY
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 cal...
Category
20th Century Art Deco Platinum Engagement Rings
Materials
Coral, Diamond, Onyx, Platinum
Late Deco 1.01ct Diamond and Onyx Ring, c.1940s
Located in London, GB
Dating back to the 1940's is this exquisite platinum and diamond ring featuring a halo of prominent French cut black onyx's, totalling to 0.24 carats. Highlighted by the black onyx's...
Category
1940s Unknown Art Deco Vintage Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
Enticing .64 Carat GIA Certified Diamond Emerald Onyx Platinum Engagement Ring
Located in New York, NY
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...
Category
20th Century Art Deco Platinum Engagement Rings
Materials
Diamond, Emerald, Onyx, Platinum
Art Deco Inspired Diamond Onyx Platinum Engagement Ring
Located in Beverly Hills, CA
One Art Deco Inspired Diamond Onyx Platinum Engagement Ring. Featuring one old European cut diamond of 0.63 carat, graded I color, SI2 clarity. Accented by 20 round brilliant cut dia...
Category
2010s Art Deco Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
Marquise Diamond and Enamel Engagement Ring in Platinum
Located in New York, NY
Marquise Diamond And Enamel Engagement Ring Handcrafted In Platinum.
Marquise diamond weight : 1.25 Carat with I color and VS2 clarity
Metal : Platinum
Ring Size : 6 1/2
Category
2010s American Contemporary Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum, Enamel
.40 Carat Total Weight Art Deco Diamond Platinum Onyx Engagement Ring
Located in Atlanta, GA
Ring Size: 7.5
Metal Type: Platinum [Hallmarked, and Tested]
Weight: 6.5 grams
Diamond Details:
Weight: .40 carat total weight
Cut: Old European brilliant
Color: F-G
Clarity: VS
On...
Category
1930s Unknown Art Deco Vintage Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
Princess Cut White Diamond and Onyx Engagement Ring in Platinum
Located in New York, NY
Beautifully handcrafted princess cut white diamond and onyx engagement ring in platinum.
The details are as follows :
Princess cut diamond weight : 0.73 carat ( G color and VS clar...
Category
2010s American Platinum Engagement Rings
Materials
White Diamond, Onyx, Platinum
Pair of Art Deco Emerald, Diamond and Onyx Set Cufflinks
Located in London, GB
A pair of Art Deco emerald, diamond and onyx cufflinks, each octagonal face set to the centre with a line of four emeralds estimated to weigh a total 1.60 carats for the pair, surrou...
Category
Early 19th Century French Art Deco Antique Platinum Engagement Rings
Materials
Diamond, Emerald, Onyx, Platinum
GIA Certified Emerald Cut Diamond, Coral and Onyx Engagement Ring in Platinum
Located in New York, NY
Gorgeous handcrafted emerald cut diamond , coral and onyx engagement ring. The details are as follows :
Emerald cut diamond weight : 2.34 carat
color and clarity : K and VS2
Meta...
Category
2010s American Contemporary Platinum Engagement Rings
Materials
Coral, Diamond, Emerald, Onyx, Platinum
Art Deco GIA 1 Carat Diamond Onyx Engagement Ring
Located in New York, NY
This elegant platinum engagement ring from the Art Deco era, is centered with a sparkling GIA certified old European cut diamond that weighs 1.00ct. graded H color with VS1 clarity. ...
Category
Early 20th Century Art Deco Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
Art Deco 3.30 Carat Diamond and Onyx Ring, circa 1920s
Located in London, GB
This stunning and elegant solitaire ring, features a beautifully hand cut old cut diamond. Weighing 3.30 carat, it is a J in colour and VS1 in clarity. It is perfectly rub over set a...
Category
1920s Unknown Art Deco Vintage Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
Black Starr & Frost 1.03 Carat Diamond Onyx Platinum Cocktail Ring
Located in Stamford, CT
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 ...
Category
Early 20th Century Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
Art Deco Onyx Diamond Platinum Ring
Located in Firenze, IT
Centering old mine-cut diamonds to scalloped shaped black onyx sides, mounted in platinum, circa 1920
Size 7
Category
1920s British Art Deco Vintage Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
Art Deco 1.61 Carat GIA Diamond Onyx Platinum Ring
Located in New York, NY
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 diamo...
Category
Early 20th Century Art Deco Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
Art Deco 2.03ct. Diamond Onyx Platinum Engagement Ring
Located in New York, NY
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 clar...
Category
Early 20th Century Art Deco Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
2.52 Carat Diamond Emerald Onyx Platinum Engagement Ring
Located in Stamford, CT
Diamond Emerald Onyx Mosaic Platinum Engagement Ring. GIA certified center Transitional brilliant cut diamond in a Calibré cut genuine emerald and black Onyx ring in a Platinum sett...
Category
1930s Vintage Platinum Engagement Rings
Materials
Diamond, Emerald, Onyx, Platinum
1.11 Carat Old European Cut Diamond Onyx Platinum Ring
Located in New York, NY
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 l...
Category
20th Century Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
GIA 1.01ct Marquise Cut Diamond Onyx Engagement Ring
Located in New York, NY
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 accentuate...
Category
20th Century Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
1.89 Carat GIA Certified Onyx Diamond Engagement Ring
Located in New York, NY
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 r...
Category
Early 20th Century Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
0.42ct Old European Cut Diamond Engagement Ring, I Color, Platinum
Located in New York, NY
A distinctive ring with a central 0.42-carat old European cut diamond, I color, VS1 clarity, set within an octagon bezel. Additional diamonds are placed in a northeast arrangement ar...
Category
21st Century and Contemporary Unknown Art Deco Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
0.40ct Round Brilliant Cut Diamond Engagement Ring, Diamond Halo, Platinum
Located in New York, NY
An Art Deco-inspired engagement ring features a 0.40-carat round brilliant cut diamond with J color and VS2 clarity at its center. The diamond is encircled by a ring of polished natu...
Category
21st Century and Contemporary Unknown Art Deco Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
Art Deco Diamond Black Onyx Platinum Ring Old Mine Rose Cut Diamonds Antique
Located in New York, NY
This is a magnificent antique Old Mine and Rose Cut Diamond and Black Onyx Platinum Art Deco Ring of great beauty. The classic black and white design exudes the beauty of the Art D...
Category
Early 20th Century Unknown Art Deco Platinum Engagement Rings
Materials
Onyx, Diamond, Platinum, 14k Gold, White Gold, Gold
Antique 1.50 Carat Old Euro-Cut Diamond Ring, Vs1 Clarity, Onyx Halo, Platinum
Located in New York, NY
This exquisite Art Deco engagement ring from circa 1920 highlights an approximately 1.50-carat old European cut diamond, bezel-set in buffed onyx, with L color and VS1 clarity. The h...
Category
1920s Art Deco Vintage Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
Berca GIA Certified Oval White Diamond Ruby Baguette Onyx Platinum Cocktail Ring
Located in Valenza, IT
Absolutley Chic 0.50Kt G, VVS2 GIA Certified Oval modified Brilliant Cushion Cut, 1.30Kt Burma Ruby Baguette, Hand inlaid Onyx in an Hand Crafted Timeless Platinum Setting: an one-of...
Category
21st Century and Contemporary Italian Contemporary Platinum Engagement Rings
Materials
White Diamond, Onyx, Ruby, Platinum
GIA 3.88 Carat Crossover Bypass Diamond Onyx Engagement Wedding Platinum Ring
Located in New York, NY
An Estate Vintage Beautiful Crossover “Toi et Moi” Diamond and Onyx Engagement, Anniversary, Wedding or Right Hand Ring! Timeless "Day and Night" design. The ring contains GIA certif...
Category
1990s Platinum Engagement Rings
Materials
Diamond, Onyx, Platinum
.45 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
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: S...
Category
Early 20th Century Unknown Art Deco Platinum Engagement Rings
Materials
Onyx, Platinum
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