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Shop All One-Of-A-Kind Designs

Designs so unique we only made one. From alternative engagement rings to statement cocktail pieces, our ready to ship one-of–a-kind pieces feature hand-selected gemstones from all over the world.

5.01ct Lab Diamond Oval Florence Ring [yellow gold]
 
5.01ct Lab Diamond Oval Florence Ring [yellow gold]
flat lay of 3 Marrow x Sammi Florence Rings featuring lab-grown diamonds in different carat weights
LAB GROWN • READY-TO-SHIP
 
Close up of 2.10ct Lab Diamond Oval Florence Ring on woman's hand, hands resting against chin at an angle away from face
LAB GROWN • READY-TO-SHIP
 
LAB GROWN • READY-TO-SHIP
6.06ct Lab Diamond Oval Florence Ring [Yellow Gold]
 
6.06ct Lab Diamond Oval Florence Ring [Yellow Gold]
flat lay of 3 Marrow x Sammi Florence Rings featuring lab-grown diamonds in different carat weights
LAB GROWN • READY-TO-SHIP
5.01ct Lab Diamond Oval Florence Ring [yellow gold]
 
5.01ct Lab Diamond Oval Florence Ring [yellow gold]
flat lay of 3 Marrow x Sammi Florence Rings featuring lab-grown diamonds in different carat weights
LAB GROWN • READY-TO-SHIP
2.26ct Black Diamond Stella Ring [Yellow Gold]
 
2.26ct Black Diamond Stella Ring [Yellow Gold]
2.26ct Black Diamond Stella Ring flat lay
one-of-a-kind
1.55ct Sapphire Stella Ring [Yellow Gold]
 
1.55ct Sapphire Stella Ring [Yellow Gold]
Close up of 1.55ct Sapphire Stella Ring on hand
one-of-a-kind