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upside down flower with black onyx ring and black diamond band stacked together on the stem against a black background

engagement

Alternative engagement rings for the bride who wants something different. Featuring hand-sourced gemstones — from black onyx to rare sapphires — set in 14k gold. Non-traditional designs made to mark the moment your way.

12 Results

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2.00ct Lab-Created Diamond Marrow x Sammi Sempre Ring Marrow Fine
2.00ct Lab-Created Diamond Marrow x Sammi Sempre Ring Marrow Fine
ONE-OF-A-KIND
READY TO SHIP

2.00ct lab-created diamond sempre ring

$8,000

1 color

Marrow x Sammi Sempre Diamond Ring Marrow Fine
Marrow x Sammi Sempre Diamond Ring Marrow Fine

sempre lab-created diamond ring

from $6,550

4 colors

1.61ct galaxy diamond ophelia ring
A close-up of a hand wearing multiple rings, including a gold signet ring with a black face and a letter P, a gold ring with a smoky gemstone, and a gold and black band engraved with 'LOVE 24/7'.
ONE-OF-A-KIND
READY TO SHIP

1.61ct galaxy diamond ophelia ring

$6,500

1 color

Marrow Fine Jewelry Sweet Melissa Pear Black Onyx Ring [Yellow Gold]
Sweet Melissa Black Onyx Ring - Marrow Fine

sweet melissa black onyx ring

from $2,150

7 colors

  • +2 more
mini sweet melissa black onyx ring
Mini Sweet Melissa Black Onyx Ring Marrow Fine

mini sweet melissa black onyx ring

from $1,950

7 colors

  • +2 more
Black Onyx Noelle Ring [Yellow Gold]
Black Onyx Noelle Ring

black onyx noelle ring

from $2,500

7 colors

  • +2 more
Marrow x Sammi 0.88ct Ruby Sempre Ring - Marrow Fine
Marrow x Sammi 0.88ct Ruby Sempre Ring - Marrow Fine
ONE-OF-A-KIND

0.88ct ruby sempre ring

$5,000

1 color

Marrow x Sammi 1.35ct Tsavorite Sempre Ring - Marrow Fine
Marrow x Sammi 1.35ct Tsavorite Sempre Ring - Marrow Fine
ONE-OF-A-KIND

1.35ct tsavorite sempre ring

$5,500

1 color

Marrow x Sammi 2.82ct Sapphire Sempre Ring - Marrow Fine
Marrow x Sammi 2.82ct Sapphire Sempre Ring - Marrow Fine
ONE-OF-A-KIND

2.82ct sapphire sempre ring

$6,500

1 color

4mm onyx sempre ring
A close-up of a hand wearing four gold heart-shaped rings with different heart gemstones: a clear cubic zirconia, a deep blue heart-shaped stone, an opal-like white heart, and a black heart.
ONE-OF-A-KIND

4mm onyx sempre ring

$1,950

1 color

Marrow x Sammi Opal Sempre Ring - Marrow Fine [Yellow Gold]
Marrow x Sammi Opal Sempre Ring - Marrow Fine

sempre opal ring

from $3,100

2 colors

rhodolite gold & silver sempre ring
Gold ring with red gemstones on a person's finger against a light background
BRAND NEW

rhodolite gold & silver sempre ring

from $2,450

2 colors