Skip to main content
Want more images or videos?
Request additional images or videos from the seller
1 of 9

Tiffany Co. 0.66 carat diamond 18k gold platinum engagement ring

$6,500
£4,954.93
€5,660.62
CA$9,146.42
A$10,018.16
CHF 5,274.56
MX$119,563.43
NOK 67,219.58
SEK 61,448.83
DKK 42,300.06

About the Item

This timeless vintage engagement ring by Tiffany Co. embodies the refined elegance and impeccable craftsmanship for which the legendary maison is renowned. At its center sits a luminous round brilliant cut diamond weighing approximately 0.66 carat, exhibiting exceptional sparkle with its F–G color and VS clarity. Carefully selected to Tiffany’s exacting standards, the diamond radiates crisp brilliance and balanced fire, creating a captivating focal point that feels both classic and enduring. The setting is masterfully crafted in a luxurious combination of 18k gold and platinum, blending warmth and strength with understated sophistication. The substantial weight of the ring lends a feeling of permanence and quality, while the clean, elegant lines reflect Tiffany’s iconic design language—timeless, graceful, and effortlessly refined. Authentic hallmarks, including the Tiffany Co. signature, purity marks, engraved weight, and original serial number, confirm the ring’s provenance and collectible significance. Dating to the 1990s, this piece represents a period when Tiffany continued to perfect its classic engagement styles with uncompromising attention to detail and craftsmanship. Elegant yet quietly powerful, this ring is a beautiful symbol of enduring love and legacy—perfect for someone who values heritage, precision, and the unmistakable prestige of Tiffany Co.

More From This Seller

View All
Tiffany Co. 0.73 carat diamond platinum engagement ring
By Tiffany Co.
Located in Beverly Hills, CA
Exquisitely crafted by Tiffany & Co., this modern platinum engagement ring radiates brilliance and timeless grace. The 0.73 carat round brilliant cut center diamond sparkles with pur...
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, Platinum

French vintage GIA 1.53 carat oval diamond engagement ring
Located in Beverly Hills, CA
This beautifully crafted French vintage engagement ring centers a striking 1.53-carat oval brilliant cut diamond, certified by GIA and glowing with a warm, romantic presence. Its K c...
Category

1990s Contemporary Engagement Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

French GIA 1.19 carat round brilliant diamond 18k yellow gold engagement ring
Located in Beverly Hills, CA
This modern French engagement ring showcases a stunning 1.19 carat GIA-certified diamond, enhanced by sparkling accents in an 18k gold and platinum design. Certificate: GIA #1232467...
Category

20th Century Modern Engagement Rings

Materials

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

GIA 1.37 carat old European cut diamond 14k yellow gold engagement ring
Located in Beverly Hills, CA
A classic Mid Century design, this two-tone ring showcases a 1.37 carat old European cut diamond flanked by transitional cuts in elegant yellow and white gold.
Category

Vintage 1950s Contemporary Engagement Rings

Materials

Diamond, Gold, 14k Gold, White Gold, Yellow Gold

GIA 1.37 carat old European cut diamond 14k yellow gold engagement ring
Located in Beverly Hills, CA
A classic Mid Century design, this two-tone ring showcases a 1.37 carat old European cut diamond flanked by transitional cuts in elegant yellow and white gold.
Category

Vintage 1950s Contemporary Engagement Rings

Materials

Diamond, Gold, 14k Gold, White Gold, Yellow Gold

GIA 1.52 carat old mine cut diamond 18k gold engagement ring
Located in Beverly Hills, CA
Exceptional in both beauty and craftsmanship, this modern engagement ring highlights a luminous 1.52 carat GIA-certified old mine brilliant cut diamond. With its rare E color and sof...
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, Yellow Gold, White Gold, 18k Gold, Gold

You May Also Like

Tiffany Co GIA 1.00 Carat Diamond Platinum Gold Solitaire Engagement Ring
By Tiffany Co.
Located in Stamford, CT
Vintage 1990's Tiffany & Co diamond solitaire engagement ring. GIA certified round brilliant center diamond in a platinum six prong crown on top of an 18k yellow gold setting. GIA certified as F (colorless) and VS2. In the 1990's time period, Tiffany used diamonds of this high quality. The Tiffany hallmark...
Category

Late 20th Century Engagement Rings

Materials

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

Tiffany Co. 1.28 Carat Diamond Solitaire Ring with Wedding Band in 18K Gold
By Tiffany Co.
Located in Scottsdale, AZ
Solitaire Ring Size: 5.25 Band Ring Size: 5 This exquisite Tiffany & Co. solitaire diamond engagement ring and wedding band set, crafted in radiant 18 karat yellow gold, epitomize t...
Category

21st Century and Contemporary Unknown Contemporary Wedding Rings

Materials

White Diamond, Diamond, Platinum, Yellow Gold, 18k Gold, Gold

Tiffany Co. 18k Gold, Platinum and Diamond Ring
By Tiffany Co.
Located in New York, NY
Tiffany & Co. Gold, Platinum and Diamond Ring 18 kt., one round diamond weighing 1.03 cts., weight inscribed, 10 baguette diamonds ap. .55 ct., signed Tiffany & Co., ap. 3.6 dwts. Wi...
Category

Vintage 1980s Band Rings

Materials

18k Gold, Platinum

Tiffany Co. GIA Certified 1.32 Carat Round Brilliant Diamond Engagement Ring
By Tiffany Co.
Located in Scottsdale, AZ
The Tiffany & Co. GIA Certified 1.32 Carat Round Brilliant Diamond Engagement Ring from circa 2000 is a timeless emblem of love and commitment. This exquisite solitaire ring features...
Category

Early 2000s Engagement Rings

Materials

Diamond, 18k Gold

Tiffany Co. 0.69 Carat Diamond Engagement Ring
By Tiffany Co.
Located in London, GB
This is an 18ct rose gold Tiffany & Co. diamond solitaire engagement ring. The centre stone is a 0.69 carat round brilliant cut diamond which is set within Tiffanys iconic platinum 6...
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, Gold, 18k Gold, Rose Gold, Platinum

Tiffany Co. 1.01 CT Diamond Platinum 18K Gold Solitaire Engagement Ring GIA
By Tiffany Co.
Located in Philadelphia, PA
Centering a round brilliant cut diamond weighing 1.01 carat - H color with VVS2 clarity Set in a "Classic Tiffany" six-prong platinum mount with pierced accents Completed by a yellow...
Category

Late 20th Century Contemporary Solitaire Rings

Materials

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