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
Ceylon Cushion Sapphire and Diamond Ring
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21st Century and Contemporary Engagement Rings
A twist on the Princess Diana design, this elegant 18k white gold ring features a 4.64-cts. cushion-cut Ceylon sapphire, bright blue and full of life, surround by 16 round brilliant-...
Oval Pink Tourmaline and Gold Ring
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21st Century and Contemporary Cocktail Rings
Be on trend with this orangey-pink oval tourmaline ring! Weighing 4.28 carats, and set in 18k yellow gold with a platinum mount, this unique and contemporary ring is full of life and...
Van Cleef & Arpels Mabé Pearl and Diamond Ear C...
Van Cleef & Arpels
Vintage 1980s Clip-on Earrings
Circa 1980's, these VCA NY 18k gold clip earrings are classic designs from the period. Each earring centers a mabé cultured pearls measuring approximately 17mm, both accented by 40 ...
Vintage David Webb Diamond and Enamel Dooknocke...
David Webb
Vintage 1980s Drop Earrings
A fine example of classic David Webb jewelry, these green enamel, diamond-set, 18k gold and platinum doorknocker earrings exemplify the 1980's. Set with 38 round brilliant-cut diamon...
Incredible 2.74 Carat GIA E/VS1 Emerald Cut Dia...
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2010s Engagement Rings
When only the finest will do! This jaw dropping 2.74 carat GIA graded E color VS1 clarity has everything the emerald cut lover demands: breathtaking sparkle and fire, brilliant play ...
GIA Cushion Cut Diamond and Platinum French Eng...
21st Century and Contemporary Art Deco Engagement Rings
Custom and handmade in France, this platinum art deco inspired engagement ring by Sebastien Barier features a 1.80-cts cushion-cut diamond weighing 1.80 carats, H color and VS2 clari...
Stunning GIA 3.11 Carat Antique Diamond Ring by...
(attributed to) Tiffany & Co.
Early 20th Century Art Deco Engagement Rings
A gorgeous platinum ring, the GIA graded 3.11-cts F/VVS2 European-cut diamond is traffic stopping. Set in a glamorous, old world mounting signed Tiffany & Co., with open work and ha...
Stunning 31.01 Carat Aquamarine and Diamond Pla...
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Vintage 1970s Cocktail Rings
Fall into a pool of blue with this singular and stunning emerald-cut aquamarine! Weighing 31.01 carats, the rectangular-cut aqua is set in a one-of-a-kind platinum mount, set with 2 ...
Rectangular-Cut Emerald and 18 Karat Yellow Gol...
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21st Century and Contemporary Contemporary More Rings
Elegant and charming, this 18k yellow gold ring features a vibrant green rectangular-cut emerald weighing 0.87-ct., horizontally bezel-set in a contemporary custom design. The ring w...
GIA 1.01 Carat Natural Fancy Intense Yellow Dia...
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21st Century and Contemporary Contemporary Engagement Rings
A contemporary and classic designed platinum ring, with a 1.01 carat GIA graded Fancy Intense Yellow/VVS1 radiant-cut diamond, even distribution, framed with a double halo of round b...
Art Deco Emerald Diamond Platinum Panel Bracelet
$73,000 Sale Price
20% Off
Art Deco Emerald Diamond Platinum Panel Bracelet
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Early 20th Century Art Deco Link Bracelets
Stunning Art Deco Platinum Link Bracelet Adorned with Marquise and Round Cut Diamonds and 24 Vibrant Emeralds. The three largest marquise cut diamonds total approximately 3.35cts and...
GIA 1.00 Carat E/VS1 Asscher Cut Diamond Pendan...
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21st Century and Contemporary Contemporary Drop Necklaces
Elegant and wearable, this 18k white gold pendant-necklace sparkles with a E/VS1 Asscher-cut diamond weighing 1.00-ct., accented with a 16-diamond halo, and completed by a fine link ...
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