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Steiners Jewelry

San Mateo, CA
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About Steiners Jewelry

We are a third generation family boutique specializing in natural rare and exotic gemstones and heirlooms jewelry.

Steiners Jewelry

Established in 19371stDibs seller since 2023

Featured Pieces

AGL Certified 0.83ct and 0.76ct No Heat Ruby and Diamond Studs
Located in San Mateo, CA
Round Mixed Cut No Heat Ruby and Diamond Studs containing 1.59ct rubies and 0.22ct F/VS diamonds set in 18k white gold with oversized 18k white gold friction posts.
Category

21st Century and Contemporary South Asian Contemporary Stud Earrings

Materials

Diamond, Ruby, 18k Gold

AGL Certified & ICA Certified 3.64ct No Heat Sapphire Ring
Located in San Mateo, CA
Cushion Cut Natural Sapphire from Sri Lanka with Double Halo containing 24 blue no heat sapphires totaling 0.24ct and 56 diamonds totaling 0.72ct F/VS set in platinum
Category

21st Century and Contemporary Sri Lankan Contemporary Fashion Rings

Materials

Diamond, Sapphire, Platinum

AGL Certified 1.78ct Fancy Color No Heat Sapphire Studs
Located in San Mateo, CA
Certifies as Brown-Pinkish Orange resembling Padparadscha Sapphire with 0.17ct G/VS diamonds set in 18k rose gold mountings with 14k rose gold backs.
Category

21st Century and Contemporary Sri Lankan Contemporary Stud Earrings

Materials

Sapphire, Rose Gold

South Seas Baroque Cultured Pearl and Morganite Necklace By Assael
By Assael
Located in San Mateo, CA
Single strand of 101 baroque cultured South Seas pearls ranging in size from 9.2 - 12.9 mm strung on silk with 128 faceted Morganite ...
Category

2010s Australian Contemporary Multi-Strand Necklaces

Materials

Morganite, Cultured Pearl

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