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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 Grown 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. Multi-Shape Diamond Station Necklace
M & Co. Multi-Shape Diamond Station Necklace Sale priceFrom $1,220.00
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. Heart Diamond Pendant NecklaceM & Co. Heart Diamond Pendant Necklace
M & Co. Heart Diamond Pendant Necklace Sale priceFrom $995.00
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
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
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. Drop Station NecklaceM & Co. Drop Station Necklace
M & Co. Drop Station Necklace Sale price$3,370.00
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
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. 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. Prong-Set Heart PendantM & Co. Prong-Set Heart Pendant
M & Co. Prong-Set Heart Pendant Sale price$1,200.00
M & Co. Diamond Heart Station Bracelet
M & Co. Diamond Heart Station Bracelet Sale price$900.00
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. 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. Emerald Cut Lab Grown Diamond Bracelet
M & Co. Emerald Cut Lab Grown Diamond Bracelet Sale priceFrom $3,950.00
Lab Grown Diamond Oval Double Bezel Pendant
Lab Grown Diamond Oval Double Bezel Pendant Sale price$2,650.00
Peridot Heart Bezel Studs
Peridot Heart Bezel Studs Sale price$750.00
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
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
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 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
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
Oval Lab Grown Diamond Hinged BangleOval Lab Grown Diamond Hinged Bangle
Oval Lab Grown Diamond Hinged Bangle Sale price$3,600.00
Round Purple Sapphire Bezel StudsRound Purple Sapphire Bezel Studs
Round Purple Sapphire Bezel Studs Sale price$1,650.00
Round Turquoise Yumdrop Ring
Round Turquoise Yumdrop Ring Sale price$580.00
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
Large Pink Sapphire Huggie HoopsLarge Pink Sapphire Huggie Hoops
Large Pink Sapphire Huggie Hoops Sale price$5,450.00
Lab Grown Diamond Petite Open BandLab Grown Diamond Petite Open Band
Lab Grown Diamond Petite Open Band Sale price$580.00
Lab Grown Diamond Open Bezel Bubble Band
Lab Grown Diamond Open Bezel Bubble Band Sale price$680.00
Lab Grown Diamond Milgrain Beaded BandLab Grown Diamond Milgrain Beaded Band
Lab Grown Diamond Milgrain Beaded Band Sale price$750.00
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
15CTTW Lab Grown Diamond Classic Round Tennis Bracelet
15CTTW Lab Grown Diamond Classic Round Tennis Bracelet Sale priceFrom $5,200.00
Old Mine Cut Lab Grown Diamond Collet Studs
Old Mine Cut Lab Grown Diamond Collet Studs Sale price$4,750.00
Old Mine Cut Lab Grown Diamond Button Back Collet PendantOld Mine Cut Lab Grown Diamond Button Back Collet Pendant
Old Mine Cut Lab Grown Diamond Button Back Collet Pendant Sale price$7,150.00
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