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Unless otherwise noted, pieces are made to order and ship within 3-4 weeks

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Shop All One-Of-A-Kind Designs

Designs so unique Marrow Fine only made one. Each one-of-a-kind piece features hand-selected gemstones sourced from around the world. From alternative engagement rings with rare stones to bold cocktail rings and statement pendants — when a piece is gone, it's gone for good.

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2.54ct Australian Opal Charm Marrow Fine
 
2.54ct Australian Opal Charm Marrow Fine
Necklace with an opal pendant worn by a person
ONE-OF-A-KIND • READY TO SHIP
Tahitian Keshi Pearls Marrow Fine
 
Tahitian Keshi Pearls Marrow Fine
Close-up of layered necklaces with pearls and gemstones on a person's neck.
ONE-OF-A-KIND • READY TO SHIP
South Sea Silver Keshi Pearls Marrow Fine
 
South Sea Silver Keshi Pearls Marrow Fine
Pearl necklace with gold pendant on a person's neck
ONE-OF-A-KIND • READY TO SHIP
Tahitian Keshi Pearl Charm Marrow Fine
 
Tahitian Keshi Pearl Charm Marrow Fine
Pearl necklace with a gold chain and heart-shaped pendant worn by a person.
ONE-OF-A-KIND • READY TO SHIP
Tahitian Keshi Pearl Charm Marrow Fine
 
Tahitian Keshi Pearl Charm Marrow Fine
Gold chain necklace with a pearl pendant on a person's neck
ONE-OF-A-KIND • READY TO SHIP
1.91ct Australian Opal and 0.20ctw Turquoise Mary Ring
 
1.91ct Australian Opal and 0.20ctw Turquoise Mary Ring
Ring with an opal stone and gemstones on a hand against a white background
ONE-OF-A-KIND • JILLIAN'S PICK
4.45ct Australian Opal and 0.23ctw Emerald Mary Ring
 
4.45ct Australian Opal and 0.23ctw Emerald Mary Ring
Hand wearing a ring with an opal stone and green gemstones on a plain background
ONE-OF-A-KIND • JILLIAN'S PICK
2.67ct Australian Opal and 0.20ctw Turquoise Mary Ring Marrow Fine
 
2.67ct Australian Opal and 0.20ctw Turquoise Mary Ring Marrow Fine
Close-up of a hand wearing an opal ring with gemstones on a light background
ONE-OF-A-KIND • JILLIAN'S PICK
1.90ct Old European Diamond Ring with Tracer Band Marrow Fine
 
1.90ct Old European Diamond Ring with Tracer Band Marrow Fine
1.90ct Old European Diamond Ring with Tracer Band Marrow Fine
ONE-OF-A-KIND • JILLIAN'S PICK
0.90ct Lab-Created Diamond Marquise Noelle Ring [White Gold]
 
0.90ct Lab-Created Diamond Marquise Noelle Ring [White Gold]
Hand wearing a white gold ring with a diamond on a beige background
LAB GROWN • READY-TO-SHIP
The Noa Petals Engagement Ring Marrow Fine
 
The Noa Petals Engagement Ring Marrow Fine
ANTIQUE DIAMONDS • READY-TO-SHIP
Australian Opal Faceted Beaded Necklace
 
Australian Opal Faceted Beaded Necklace
Close up of Australian Opal Faceted Beaded Necklace on neckline
ONE-OF-A-KIND • READY-TO-SHIP