About 66 mint
Established in 1912 and family owned and operated for four generations, 66mint Fine Estate Jewelry specializes in extraordinary estate pieces for the discriminating collector as well as unique antique and vintage inspired engagement rings featuring repurposed diamonds. 66mint creates a unique experience customized for each client and promises to provide discreet and exemplary customer service whether working by private appointment in the casual atmosphere of our San Francisco boutique or online with our clients throughout the world. We take great pride in our collection...Read More
Featured Pieces
Vintage Diamond, Sapphire & Platinum Ring
Located in San Francisco, CA
For the lover of styles past, this platinum filigree ring centers a transitional round brilliant-cut diamond weighing approximately 0.60-ct, I-J/SI. with four triangular sapphires se...
Category
Mid-20th Century Engagement Rings
Materials
Diamond, Sapphire, Platinum
Diamond & 18k White Gold Line Bracelet
Located in San Francisco, CA
Wear alone, or stack with other bracelets! This 18k white gold straightline bracelet is designed with rectangular-shaped links,, set with 44 lively and sparkling round brilliant-cut ...
Category
21st Century and Contemporary Tennis Bracelets
Materials
Diamond, White Gold
Yellow Diamond and White Diamond Bracelet
Located in San Francisco, CA
Delicate yet with a visual punch, this 18k white gold strap bracelet is designed with two rows of round brilliant-cut diamonds, with the center showing off bezel-set bright yellow di...
Category
21st Century and Contemporary Link Bracelets
Materials
White Diamond, Yellow Diamond, 18k Gold
Vintage Piaget 18k Gold Ladies Wristwatch
By Piaget
Located in San Francisco, CA
Circa 1980's, this classic Piaget design features a rectangular case with black onyx face, gold hands and diamond markers at 12, 3, 6, and 9 o'clock, completed by a integral tapered ...
Category
Late 20th Century Wrist Watches
Materials
18k Gold
Emerald & 18k Gold Ring
Located in San Francisco, CA
Elegant and charming, this 18k yellow gold ring features a vibrant green rectangular-cut emerald weighing 0.60-ct., horizontally bezel-set in a contemporary custom design. The ring w...
Category
21st Century and Contemporary Modernist Engagement Rings
Materials
Emerald, 18k Gold
Ceylon Sapphire, Diamond & Platinum Ring
Located in San Francisco, CA
Edwardian style for contemporary taste! This platinum ring features a bezel-set 2.16-ct. oval-shaped Ceylon sapphire, vibrant and richly saturated color, accented with four bright ro...
Category
21st Century and Contemporary Art Deco Engagement Rings
Materials
Diamond, Sapphire, Platinum
GIA 3.01-Ct H/SI1 Radiant Diamond in Cartier Ring
By Cartier
Located in San Francisco, CA
Exquisite and unique, this engagement ring is like no other. Featuring a 3.01-ct. radiant-cut diamond (graded H/SI by GIA), set east/west design and flanked by two straight baguette-...
Category
Late 20th Century Engagement Rings
Materials
Diamond, 18k Gold
Chopard Casmir Gem-Set 18 Karat Gold Wristwatch
By Chopard
Located in San Francisco, CA
Rare edition Chopard semi-precious and 18k gold Casmir wristwatch. The round mother-of-pearl dial, with sword hands and invisible hour markers. is completed with a teardrop bracelet ...
Category
21st Century and Contemporary Wrist Watches
Materials
Amethyst, Citrine, Peridot, Topaz, Tourmaline, 18k Gold, Gold
Emerald and Diamond Art Deco Platinum Drop Earrings
Located in San Francisco, CA
These platinum Art Deco earrings are a lovely addition to any collection. Set with 14 square-cut, bright green emeralds, and 64 round brilliant and baguette-cut diamonds, the flexibl...
Category
Vintage 1910s Art Deco Drop Earrings
Materials
Diamond, Emerald, Platinum
Custom GIA 3.01 Carat, F/VS1 Cushion Diamond Ring
Located in San Francisco, CA
Exceptionally stunning 3.01 carat square-shaped cushion-cut diamond engagement ring, F color and VS1 clarity, set in a platinum mounting, with a bullet-shaped diamond on either side,...
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Platinum
GIA 2.50 Carat F/VS1 Cushion Diamond Engagement Ring
Located in San Francisco, CA
Glorious sparkle and quality! This platinum engagement ring centers a GIA 2.50-cts. cushion-cut diamond, F color and VS1 clarity, with excellent polish and symmetry, accented by 32 r...
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Platinum
Impressive GIA 4.07 Carat Diamond Engagement Ring
Located in San Francisco, CA
Not all diamonds are equal! Big and bold, this 4.07-cts round brilliant-cut diamond, H color and SI1 clarity, is a showstopper. Set in a platinum 4-prong mount with an open V basket,...
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Platinum
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