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Sale: 20% 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. Basket Setting Diamond Stud EarringsM & Co. Basket Setting Diamond Stud Earrings
M & Co. Basket Setting Diamond Stud Earrings Sale priceFrom $499.00
M & Co. 3-Prong Martini Setting Diamond Stud EarringsM & Co. 3-Prong Martini Setting Diamond Stud Earrings
M & Co. 3-Prong Martini Setting Diamond Stud Earrings Sale priceFrom $550.00
M & Co. Bezel Round Diamond Stud EarringsM & Co. Bezel Round Diamond Stud Earrings
M & Co. Bezel Round Diamond Stud Earrings Sale priceFrom $375.00
M & Co. Bezel Heart Shape Diamond Stud EarringsM & Co. Bezel Heart Shape Diamond Stud Earrings
M & Co. Bezel Heart Shape Diamond Stud Earrings Sale priceFrom $550.00
M & Co. Bezel Emerald Cut Diamond Stud Earrings
M & Co. Bezel Emerald Cut Diamond Stud Earrings Sale priceFrom $550.00
M & Co. Lab Grown Diamond Huggie Hoops
M & Co. Lab Grown Diamond Huggie Hoops Sale priceFrom $600.00
M & Co. Lab Grown Diamond Paper Clip EarringsM & Co. Lab Grown Diamond Paper Clip Earrings
M & Co. Lab Grown Diamond Paper Clip Earrings Sale price$595.00
M & Co. Pear Diamond Bypass RingM & Co. Pear Diamond Bypass Ring
M & Co. Pear Diamond Bypass Ring Sale price$985.00
M & Co. Lab Grown Diamond Round & Pear Drop EarringsM & Co. Lab Grown Diamond Round & Pear Drop Earrings
M & Co. Lab Grown Diamond Round & Pear Drop Earrings Sale priceFrom $1,295.00
6 ctw Asscher Bezel StudsLab Grown Diamond Asscher Cut Studs
Lab Grown Diamond Asscher Cut Studs Sale priceFrom $1,200.00
M & Co. Lab Grown 2 CT Diamond Inside Out Huggie HoopsM & Co. Lab Grown 2 CT Diamond Inside Out Huggie Hoops
M & Co. Lab Grown 2 CT Diamond Inside Out Huggie Hoops Sale price$1,720.00
M & Co. Pear & Emerald Toi et Moi Lab Grown Diamond RingM & Co. Pear & Emerald Toi et Moi Lab Grown Diamond Ring
M & Co. Pear & Emerald Toi et Moi Lab Grown Diamond Ring Sale price$1,820.00
M & Co. Multi-Shape Lab Diamond Band RingM & Co. Multi-Shape Lab Diamond Band Ring
M & Co. Multi-Shape Lab Diamond Band Ring Sale price$2,500.00
M & Co. East West Wide Oval Diamond RingM & Co. East West Wide Oval Diamond Ring
M & Co. East West Wide Oval Diamond Ring Sale price$950.00
M & Co. Emerald Cut Engagement Ring with Cadillac AccentsM & Co. Emerald Cut Engagement Ring with Cadillac Accents
M & Co. Emerald Cut Engagement Ring with Cadillac Accents Sale price$2,950.00
M & Co. Emerald Cut Hoop EarringsM & Co. Emerald Cut Hoop Earrings
M & Co. Emerald Cut Hoop Earrings Sale price$1,975.00
M & Co. Marquise Engagement Ring with Tapered BaguettesM & Co. Marquise Engagement Ring with Tapered Baguettes
M & Co. Marquise Engagement Ring with Tapered Baguettes Sale price$2,550.00
3ct Tilted Pear Lab Grown Diamond Bezel Ring
3ct Tilted Pear Lab Grown Diamond Bezel Ring Sale price$2,260.00
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
3 CT Pear Lab Grown Diamond Inside Out Hoop Earrings
3 CT Pear Lab Grown Diamond Inside Out Hoop Earrings Sale price$3,250.00
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
Georgian-Inspired 3ct Round Lab Grown Diamond Collet RingGeorgian-Inspired 3ct Round Lab Grown Diamond Collet Ring
Georgian-Inspired 3ct Round Lab Grown Diamond Collet Ring Sale price$2,620.00
Georgian-Inspired 3ct Oval Lab Grown Diamond Collet RingGeorgian-Inspired 3ct Oval Lab Grown Diamond Collet Ring
Georgian-Inspired 3ct Oval Lab Grown Diamond Collet Ring Sale price$2,650.00
3ct East West Oval Lab Grown Diamond Bezel Ring
3ct East West Oval Lab Grown Diamond Bezel Ring Sale price$2,360.00
3ct Asscher Cut Lab Grown Diamond Bezel Ring3ct Asscher Cut Lab Grown Diamond Bezel Ring
3ct Asscher Cut Lab Grown Diamond Bezel Ring Sale price$2,460.00
M & Co. Emerald Cut Bezel Drop Earrings
M & Co. Emerald Cut Bezel Drop Earrings Sale price$1,650.00
M & Co. Multi-Shape Lab Grown Diamond Hoops
M & Co. Multi-Shape Lab Grown Diamond Hoops Sale price$5,450.00