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
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
9.48 carat White Gold Diamond Tennis Necklace
Located in San Francisco, CA
Perhaps the exact diamond line necklace you've been looking for! This 14k white gold stunner features 145 fine round brilliant natural diamonds expertly set in a four-prong style for...
Category
21st Century and Contemporary Choker Necklaces
Materials
Diamond, 14k Gold, White 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
18kt Rose Gold Diamond Choker Necklace
Located in San Francisco, CA
An absolute beauty! This 18 karat rose gold choker necklace features 286 sparkling white diamonds weighing a total of approximately 3.72 carats. The unique design features an X cross...
Category
21st Century and Contemporary Unknown Choker Necklaces
Materials
Diamond, 18k Gold, Rose Gold
542 carat 3-Strand Ruby Necklace
Located in San Francisco, CA
A true statement piece if ever there was one! This three-strand necklace features 542 carats of beautifully carved ruby briolette beads suspended from two 14 karat yellow gold bars complete with a yellow gold heart clasp...
Category
Vintage 1980s Unknown Beaded Necklaces
Materials
Ruby, 14k Gold, Yellow Gold
Art Deco 8.66ct Sapphire & Diamond Ring
Located in San Francisco, CA
A piece from a bygone era that is as in fashion today as it was a hundred years ago. This platinum Art Deco ring features an 8.66 carat blue sapphire set with four prongs and surroun...
Category
Vintage 1920s Unknown Art Deco Cocktail Rings
Materials
Diamond, Sapphire, Platinum
Victoria Diamond Necklace by Tiffany & Co.
By Tiffany & Co.
Located in San Francisco, CA
Arguably the perfect diamond necklace. This stunner from Tiffany & Company features 99 sparkling white round diamonds for 15.10 carats along with four accent marquise cut diamonds for an additional 0.32 carats, giving this Tiffany & Co. Victoria Line Necklace a total carat weight of 15.42 carats. The diamonds are exceptionally well matched and are as high quality as you can get averaging D-G color and Flawless to VS2 clarity. The platinum Victoria diamond necklace measures 16 inches and weighs 34.6 grams. With sparkle and fire for days, this Tiffany diamond line necklace...
Category
2010s North American Choker Necklaces
Materials
Diamond, Platinum
18kt Tourmaline & Diamond Ring by Tacori
By Tacori
Located in San Francisco, CA
Perhaps the perfect pop of color! One exquisite purplish pink tourmaline weighing 0.83 carats is perfectly set with four prongs in a gorgeous 18 karat white gold ring by Tacori. Acce...
Category
21st Century and Contemporary Fashion Rings
Materials
Diamond, Tourmaline, 18k Gold, White Gold
1.21ct Princess Cut Diamond Ring
Located in San Francisco, CA
The don't call it a "princess" cut for nothing! This exceptional 1.21 carat diamond is expertly set in an 18 karat white gold four-prong double halo setting with a diamond set split ...
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, 18k Gold, White Gold
White Gold Marquise Diamond Wedding Set
Located in San Francisco, CA
A wedding set that is as beautiful as it is unique. This white gold stunner features a sparkling 1.20 carat marquise cut diamond expertly set with a tapered baguette on either side. ...
Category
Late 20th Century Engagement Rings
Materials
Diamond, White Gold
Exceptional GIA Diamond Ring by Harry Winston
By Harry Winston
Located in San Francisco, CA
There is jewelry, and then there is Harry Winston Jewelry! This engagement ring by "The King of Diamonds" checks every box that you would expec...
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Platinum
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