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Sale: 15% Off

Lab-Grown Diamond Jewelry & Special Collections: Discounts are applied automatically at checkout—no code needed. 

Estate Jewelry: Priced as marked. 

Mystery Gift Bonus: Every order placed between Sept 18th - Sept 30th includes a surprise mystery item! The gift will have a retail value of at least 10% of your order total.

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M & Co. Diamond Tennis NecklaceM & Co. Diamond Tennis Necklace
M & Co. Diamond Tennis Necklace Sale priceFrom $4,295.00
M & Co. Bezel & Prong Diamond Pendant NecklaceM & Co. Bezel & Prong Diamond Pendant Necklace
M & Co. Bezel & Prong Diamond Pendant Necklace Sale priceFrom $1,100.00
Round Lab Grown Diamond Station BraceletRound Lab Grown Diamond Station Bracelet
Round Lab Grown Diamond Station Bracelet Sale priceFrom $350.00
Round Bezel Lab Grown Diamond BraceletRound Bezel Lab Grown Diamond Bracelet
Round Bezel Lab Grown Diamond Bracelet Sale priceFrom $1,750.00
3, 5, 8, 10, and 15 cttw bracelets
Lab Ground Diamond Classic Round Tennis Bracelet Sale priceFrom $1,895.00
M & Co. Diamond Riviera NecklaceM & Co. Diamond Riviera Necklace
M & Co. Diamond Riviera Necklace Sale priceFrom $4,250.00
M & Co. Pear-Shape Lab Diamond Pendant
M & Co. Pear-Shape Lab Diamond Pendant Sale priceFrom $1,250.00
Multi-Shape Bezel Lab Grown Diamond BraceletMulti-Shape Bezel Lab Grown Diamond Bracelet
Multi-Shape Bezel Lab Grown Diamond Bracelet Sale priceFrom $5,200.00
M & Co. Diamond Multi-Shape Station BraceletM & Co. Diamond Multi-Shape Station Bracelet
M & Co. Diamond Multi-Shape Station Bracelet Sale price$650.00
Oval Bezel Lab Grown Diamond BraceletOval Bezel Lab Grown Diamond Bracelet
Oval Bezel Lab Grown Diamond Bracelet Sale priceFrom $5,500.00
M & Co. Heart Diamond Pendant NecklaceM & Co. Heart Diamond Pendant Necklace
M & Co. Heart Diamond Pendant Necklace Sale priceFrom $995.00
M & Co. Multi-Shape Diamond Station Necklace
M & Co. Multi-Shape Diamond Station Necklace Sale priceFrom $1,220.00
Heart Shape Bezel Lab Grown Diamond BraceletHeart Shape Bezel Lab Grown Diamond Bracelet
Heart Shape Bezel Lab Grown Diamond Bracelet Sale priceFrom $5,500.00
Lab Grown Diamond Bezel Letter Charm/PendantLab Grown Diamond Bezel Letter Charm/Pendant
Lab Grown Diamond Bezel Letter Charm/Pendant Sale price$650.00
M & Co. Pear Lab Grown Diamond Tennis BraceletM & Co. Pear Lab Grown Diamond Tennis Bracelet
M & Co. Pear Lab Grown Diamond Tennis Bracelet Sale priceFrom $3,950.00
Asscher-Cut Bezel Lab Grown Diamond BraceletAsscher-Cut Bezel Lab Grown Diamond Bracelet
Asscher-Cut Bezel Lab Grown Diamond Bracelet Sale priceFrom $6,500.00
M & Co. White Gold Pavé Lab Diamond Full Eternity BandM & Co. White Gold Pavé Lab Diamond Full Eternity Band
M & Co. White Gold Pavé Lab Diamond Full Eternity Band Sale priceFrom $800.00
M & Co. Yellow Gold Pavé Lab Diamond Full Eternity BandM & Co. Yellow Gold Pavé Lab Diamond Full Eternity Band
M & Co. Yellow Gold Pavé Lab Diamond Full Eternity Band Sale priceFrom $800.00
M & Co. Prong-Set Heart PendantM & Co. Prong-Set Heart Pendant
M & Co. Prong-Set Heart Pendant Sale price$1,200.00
M & Co. Drop Station NecklaceM & Co. Drop Station Necklace
M & Co. Drop Station Necklace Sale price$3,370.00
M & Co. Diamond Heart Station Bracelet
M & Co. Diamond Heart Station Bracelet Sale price$900.00
M & Co. Bezel LG Diamond Tennis NecklaceM & Co. Bezel LG Diamond Tennis Necklace
M & Co. Bezel LG Diamond Tennis Necklace Sale priceFrom $5,950.00
M & Co. 1-1.5 CT Bezel Lab Diamond Pendant NecklaceM & Co. 1-1.5 CT Bezel Lab Diamond Pendant Necklace
M & Co. 1-1.5 CT Bezel Lab Diamond Pendant Necklace Sale price$850.00
M & Co. Emerald Cut Lab Grown Diamond Bracelet
M & Co. Emerald Cut Lab Grown Diamond Bracelet Sale priceFrom $3,950.00
M & Co. Yellow Gold Pavé Lab Diamond Half Eternity BandM & Co. Yellow Gold Pavé Lab Diamond Half Eternity Band
M & Co. Yellow Gold Pavé Lab Diamond Half Eternity Band Sale priceFrom $950.00
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
Large Rainbow Sapphire Huggie Hoops
Large Rainbow Sapphire Huggie Hoops Sale price$5,450.00
Lab Grown Diamond Pear Fluted Bezel PendantLab Grown Diamond Pear Fluted Bezel Pendant
Lab Grown Diamond Pear Fluted Bezel Pendant Sale price$1,850.00
Lab Grown Diamond Oval Double Bezel Pendant
Lab Grown Diamond Oval Double Bezel Pendant Sale price$2,650.00
Lab Grown Diamond Emerald Cut Double Bezel PendantLab Grown Diamond Emerald Cut Double Bezel Pendant
Lab Grown Diamond Emerald Cut Double Bezel Pendant Sale price$2,950.00
Lab Grown Diamond Button Back Collet PendantLab Grown Diamond Button Back Collet Pendant
Lab Grown Diamond Button Back Collet Pendant Sale price$5,850.00
Oval Lab Grown Diamond Hinged BangleOval Lab Grown Diamond Hinged Bangle
Oval Lab Grown Diamond Hinged Bangle Sale price$3,600.00
Peridot Heart Bezel Studs
Peridot Heart Bezel Studs Sale price$750.00
Pink Tourmaline Pear Dangle Earrings
Pink Tourmaline Pear Dangle Earrings Sale price$4,500.00
Large Pink Sapphire Huggie HoopsLarge Pink Sapphire Huggie Hoops
Large Pink Sapphire Huggie Hoops Sale price$5,450.00
Lab Grown Diamond Open Bezel Bubble Band
Lab Grown Diamond Open Bezel Bubble Band Sale price$680.00
Lab Grown Diamond Brushed Station BandLab Grown Diamond Brushed Station Band
Lab Grown Diamond Brushed Station Band Sale price$1,250.00
Blue Topaz Half-Eternity BandBlue Topaz Half-Eternity Band
Blue Topaz Half-Eternity Band Sale price$630.00
Georgian-Inspired Button Back Collet Lab Grown Diamond BraceletGeorgian-Inspired Button Back Collet Lab Grown Diamond Bracelet
Georgian-Inspired Button Back Collet Lab Grown Diamond Bracelet Sale price$6,500.00
M & Co. Multi-Shape Prong Tennis Necklacemixed cut necklace with 15 cttw tennis necklace
M & Co. Multi-Shape Prong Tennis Necklace Sale price$12,550.00
Lab Grown Diamond Asscher Tennis Necklace
Lab Grown Diamond Asscher Tennis Necklace Sale price$15,800.00
Lab Grown Diamond Alternating Pear Tennis NecklaceLab Grown Diamond Alternating Pear Tennis Necklace
Lab Grown Diamond Alternating Pear Tennis Necklace Sale price$7,750.00
Lab Grown Diamond Alternating Marquise Tennis Necklace
Lab Grown Diamond Alternating Marquise Tennis Necklace Sale price$9,950.00
Multi-Shape Lab Grown Diamond Hinged BangleMulti-Shape Lab Grown Diamond Hinged Bangle
Multi-Shape Lab Grown Diamond Hinged Bangle Sale price$3,450.00
Lab Grown Diamond Oval Prong Tennis Bracelet
Lab Grown Diamond Oval Prong Tennis Bracelet Sale priceFrom $3,950.00
Trillion Pink Sapphire Yumdrop Ring
Trillion Pink Sapphire Yumdrop Ring Sale price$950.00
Small Rainbow Sapphire Huggie Hoops
Small Rainbow Sapphire Huggie Hoops Sale price$2,650.00
Small Rainbow Sapphire & Diamond 18K Huggie HoopsSmall Rainbow Sapphire & Diamond 18K Huggie Hoops
Small Rainbow Sapphire & Diamond 18K Huggie Hoops Sale price$2,650.00