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
18kt Yellow Gold Diamond & Sapphire Bangle Bracelet
Located in San Francisco, CA
The perfect every day piece to help spruce up any outfit! This 18 karat yellow gold bangle features perfectly matched sections of fine sapphires and 0.48cttw diamonds that deliver sp...
Category
Late 20th Century Bangles
Materials
Diamond, Sapphire, 18k Gold, Yellow Gold
Tiffany & Co "Metro" Diamond Bangle Bracelet
By Tiffany & Co.
Located in San Francisco, CA
From one of the finest names in jewelry comes the Metro Diamond Bangle Bracelet by Tiffany & Co. Made with the finest quality and materials that you'd expect from Tiffany jewelry, th...
Category
2010s Bangles
Materials
Diamond, 18k Gold
Stunning 18kt Graduated Diamond Line Necklace
Located in San Francisco, CA
A versatile piece that is sure to turn heads, this 18 karat white gold diamond line necklace is an absolute beauty. Featuring 145 fine natural diamonds for 14.82 carats total weight,...
Category
21st Century and Contemporary Link Necklaces
Materials
Diamond, 18k Gold, White Gold
18kt Yellow Gold Australian Opal Pendant
Located in San Francisco, CA
It's hard to imagine that such natural beauty comes from our earth. This 18 karat yellow gold pendant features an organic wavy Australian boulder opal (weighing approximately 4 carat...
Category
Vintage 1970s Unknown Pendant Necklaces
Materials
Opal, 18k Gold, Yellow Gold
18kt Yellow Gold Australian Opal & Diamond Pendant
Located in San Francisco, CA
Flashes of color to take your breath away! This 18 karat yellow gold pendant features a stunning Australian boulder opal that displays incredible flashes of pinks, greens, lavenders ...
Category
Vintage 1970s Pendant Necklaces
Materials
Diamond, Opal, 18k Gold, Yellow Gold
18kt Yellow Gold Australian Opal & Diamond Pendant
Located in San Francisco, CA
If you're looking for an Australian opal with phenomenal play of color, then look no further. This absolutely stunning piece features a natural wavy Australian boulder opal that disp...
Category
Vintage 1970s Unknown Pendant Necklaces
Materials
Diamond, Opal, 18k Gold, Yellow Gold
18 karat Estate Art Deco Gold Bracelet
Located in San Francisco, CA
An Art Deco bracelet that is just as fashionable today as it was when it was created. This 18 karat stunner measures 7" long and 1" wide, and features a stylish buckle clasp. The vin...
Category
Mid-20th Century Retro Retro Bracelets
Materials
Gold, 18k Gold
Australian Opal 18kt Yellow Gold Bracelet
Located in San Francisco, CA
The perfect piece of wrist candy! This 18 karat yellow gold bracelet features an Australian opal weighing approximately 25 carats displaying vibrant light pinks, greens and blues thr...
Category
Vintage 1970s Bangles
Materials
Opal, 18k Gold, Yellow Gold
18kt Yellow Gold Australian Opal Bangle Bracelet
Located in San Francisco, CA
Searching for perfect peacock play of color natural Australian boulder opal? Search no further. This stunner features a phenomenal Australian opal in its natural wavy form flashing w...
Category
Vintage 1970s Bangles
Materials
18k Gold, Yellow Gold
Unique Diamond White Gold By-Pass Flower Ring
Located in San Francisco, CA
Delicate yet bold, this 18k white gold by-pass ring is charming and unique. Designed with two flowers, featuring pear-shaped rose-cut diamond petals, and round-brilliant-cut set stem...
Category
21st Century and Contemporary Unknown Fashion Rings
Materials
Diamond, 18k Gold, White Gold
Exceptional 2.04ct Old European Cut Yellow Gold Diamond Ring
Located in San Francisco, CA
Truly a one of a kind! This exquisite 18 karat yellow gold beauty features a gorgeous Old European Cut Diamond weighing 2.04 carats, expertly bezel set in this open basket design allowing for the entire stone to be visible from table to culet. The Old Euro Diamond has been graded as K color and SI clarity, and the fact that it is set in this open basket design allows for maximum light to enter the stone and deliver tons of sparkle and fire. This unique yellow gold Old Euro engagement ring...
Category
21st Century and Contemporary American Engagement Rings
Materials
Diamond, 18k Gold, Yellow Gold
Phenomenal 2.14ct Asscher Cut Platinum Diamond Ring
Located in San Francisco, CA
Get ready to turn some heads with this platinum beauty! This incredible custom engagement rings features a gorgeous 2.14 carat Asscher Cut Diamond (aka Square Emerald Cut) bezel set in a phenomenal platinum ring with an open basket showcasing every angle of the incredible stone from top to bottom. The platinum asscher cut diamond ring...
Category
21st Century and Contemporary American Engagement Rings
Materials
Diamond, Platinum
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