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Our San Francisco store is temporarily closed while we renovate our new space next door. We plan to re-open Friday, May 23rd.

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Sold outSave 57%Art Deco Style Platinum Diamond & Sapphire Halo RingArt Deco Style Platinum Diamond & Sapphire Halo Ring
Art Deco Style Platinum Diamond & Sapphire Halo Ring Sale price$2,000.00 Regular price$4,650.00
Save 41%Platinum Pink Emerald Cut Tourmaline (15.31ct) & Diamond (0.40cttw) Ring Sz 7.25
Platinum Pink Emerald Cut Tourmaline (15.31ct) & Diamond (0.40cttw) Ring Sz 7.25 Sale price$8,500.00 Regular price$14,500.00
Save 67%18k Yellow Gold French Natural Pearl Diamond & Plique-a-jour Ring18k Yellow Gold French Natural Pearl Diamond & Plique-a-jour Ring
18k Yellow Gold French Natural Pearl Diamond & Plique-a-jour Ring Sale price$6,500.00 Regular price$19,500.00
Save 59%Edwardian Style Platinum Sapphire & Diamond Drop EarringsEdwardian Style Platinum Sapphire & Diamond Drop Earrings
Edwardian Style Platinum Sapphire & Diamond Drop Earrings Sale price$6,000.00 Regular price$14,500.00
Save 53%Platinum Art Deco Sapphire (GIA 5222507075 1.1ct (NH) CMBDA) & Diamond (1.35cttw) Ring Sz 6.5Platinum Art Deco Sapphire (GIA 5222507075 1.1ct (NH) CMBDA) & Diamond (1.35cttw) Ring Sz 6.5
Platinum Art Deco Sapphire (GIA 5222507075 1.1ct (NH) CMBDA) & Diamond (1.35cttw) Ring Sz 6.5 Sale price$4,000.00 Regular price$8,500.00
Save 10%Platinum Marsh & Co Jade & Diamond EarringsPlatinum Marsh & Co Jade & Diamond Earrings
Platinum Marsh & Co Jade & Diamond Earrings Sale price$13,500.00 Regular price$15,000.00
Save 27%Art Deco Marsh & Co Platinum "A" Jade & Diamond RingArt Deco Marsh & Co Platinum "A" Jade & Diamond Ring
Art Deco Marsh & Co Platinum "A" Jade & Diamond Ring Sale price$16,500.00 Regular price$22,500.00
M & Co. White Gold Shared Prong Lab Diamond Full Eternity BandM & Co. White Gold Shared Prong Lab Diamond Full Eternity Band
M & Co. White Gold Shared Prong Lab Diamond Full Eternity Band Sale priceFrom $950.00
Metal
M & Co. White Gold Shared Prong Lab Diamond Half Eternity BandM & Co. White Gold Shared Prong Lab Diamond Half Eternity Band
M & Co. White Gold Shared Prong Lab Diamond Half Eternity Band Sale priceFrom $950.00
Metal
M & Co. Yellow Gold Shared Prong Lab Diamond Half Eternity BandM & Co. Yellow Gold Shared Prong Lab Diamond Half Eternity Band
M & Co. Yellow Gold Shared Prong Lab Diamond Half Eternity Band Sale priceFrom $950.00
Metal
M & Co. White Gold Pavé Lab Diamond Half Eternity BandM & Co. White Gold Pavé Lab Diamond Half Eternity Band
M & Co. White Gold Pavé Lab Diamond Half Eternity Band Sale priceFrom $950.00
Metal
M & Co. East-West Oval Diamond Engagement RingM & Co. East-West Oval Diamond Engagement Ring
M & Co. East-West Oval Diamond Engagement Ring Sale price$2,750.00
Metal
M & Co. Multishape Prong Tennis Necklacemixed cut necklace with 15 cttw tennis necklace
M & Co. Multishape Prong Tennis Necklace Sale price$12,750.00
Color
M & Co. Emerald Cut Bezel Drop Earrings
M & Co. Emerald Cut Bezel Drop Earrings Sale price$1,975.00
Metal
M & Co. Lab Grown Diamond Heart & Pear Drop EarringsM & Co. Lab Grown Diamond Heart & Pear Drop Earrings
M & Co. Lab Grown Diamond Heart & Pear Drop Earrings Sale price$1,500.00
M & Co. Oval Lab Grown Diamond Bracelet
M & Co. Oval Lab Grown Diamond Bracelet Sale priceFrom $3,950.00
Metal
M & Co. Emerald Cut Lab Grown Diamond Bracelet
M & Co. Emerald Cut Lab Grown Diamond Bracelet Sale priceFrom $3,950.00
Metal
M & Co. 3 CT Emerald Cut with Epaulette Accents Three Stone RingM & Co. 3 CT Emerald Cut with Epaulette Accents Three Stone Ring
M & Co. 3 CT Emerald Cut with Epaulette Accents Three Stone Ring Sale price$3,800.00
M & Co. 3.06 CT Oval Cut Halo Solitaire Lab Grown Diamond RingM & Co. 3.06 CT Oval Cut Halo Solitaire Lab Grown Diamond Ring
M & Co. 3.06 CT Oval Cut Halo Solitaire Lab Grown Diamond Ring Sale price$2,950.00
M & Co. 3.02 CT Emerald Cut Hidden Halo Solitaire Lab Grown Diamond RingM & Co. 3.02 CT Emerald Cut Hidden Halo Solitaire Lab Grown Diamond Ring
M & Co. 3.02 CT Emerald Cut Hidden Halo Solitaire Lab Grown Diamond Ring Sale price$2,650.00