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Celtic Black Onyx Couples Ring Set by Aquamarise featuring a pear-cut black onyx and sterling silver bands with diamond accents from Matching Couples' Rings collection.
Celtic Black Onyx Engagement Ring Set in 14K White Gold displayed on hand with blue gradient nails resting on cream quilted leather handbag with gold chain and GG logo.
Celtic Black Onyx Engagement Ring Set in 14K White Gold featuring a pear-cut black onyx gemstone by Aquamarise Gold, a unique and elegant statement in solid white gold craftsmanship.
Celtic Black Onyx Couples Ring Set by Aquamarise featuring a pear cut black onyx stone and a polished matching band, symbolizing love and unity in a modern Celtic design.
Celtic Black Onyx Engagement Ring Set in 14K White Gold featuring a pear-cut black onyx ring and a matching white gold band by Aquamarise Gold.
Celtic Black Onyx Couples Ring Set featuring a pear-cut black onyx gemstone in sterling silver, designed by Aquamarise, part of Matching Couples' Rings and Lovers of the Dark™ collections.
Celtic Black Onyx Couples Ring Set by Aquamarise featuring a pear-cut black onyx and sterling silver bands with diamond accents from Matching Couples' Rings collection.

Rated 4.9 by 24,000+ customers worldwide

Celtic Black Onyx Engagement Ring Set in 14K White Gold

$2,215.00
Premium Solid Gold
Handcrafted with Intention
Ethically Sourced Gemstones
Luxury Gift Packaging Included
Size Chart

Ring Size Chart

    Inside
    Circumference (mm)    		 US, Canada, Mexico Size UK, Australia, Ireland,
    New Zealand, South Africa    		 France Germany, Russia, Ukraine, Asia India, China, Japan,
    South America, Turkey, Israel    		 Italy, Spain, Netherlands, Switzerland
    44.2 3.00 F 44.00 14.00 4.00 4.00
    44.8 3.25 F 1/2 44.63 14.25 4.63 4.63
    45.5 3.50 G 45.25 14.50 5.25 5.25
    46.1 3.75 G 1/2 45.88 14.75 5.88 5.88
    46.8 4.00 H 46.50 15.00 6.50 6.50
    47.4 4.25 H 1/2 47.13 15.25 7.13 7.13
    48.0 4.50 I 47.75 15.50 7.75 7.75
    48.7 4.75 J 48.38 --- 8.38 8.38
    49.3 5.00 J 1/2 49.00 15.75 9.00 9.00
    50.0 5.25 K 49.63 16.00 9.63 9.63
    50.6 5.50 K 1/2 50.25 16.25 10.25 10.25
    51.2 5.75 L 50.88 --- 10.88 10.88
    51.9 6.00 L 1/2 51.50 16.50 11.50 11.50
    52.5 6.25 M 52.13 16.75 12.13 12.13
    53.1 6.50 M 1/2 52.75 17.00 12.75 12.75
    53.8 6.75 N 53.38 --- 13.38 13.38
    54.4 7.00 N 1/2 54.00 17.25 14.00 14.00
    55.1 7.25 O 54.63 17.50 14.63 14.63
    55.7 7.50 O 1/2 55.25 17.75 15.25 15.25
    56.3 7.75 P 55.88 --- 15.88 15.88
    57.0 8.00 P 1/2 56.50 18.00 16.50 16.50
    57.6 8.25 Q 57.13 18.25 17.13 17.13
    58.3 8.50 Q 1/2 57.75 18.50 17.75 17.75
    58.9 8.75 R 58.38 18.75 18.38 18.38
    59.5 9.00 R 1/2 59.00 19.00 19.00 19.00
    60.2 9.25 S 59.63 19.25 19.63 19.63
    60.8 9.50 S 1/2 60.25 19.50 20.25 20.25
    61.4 9.75 T 60.88 19.75 20.88 20.88
    62.1 10.00 T 1/2 61.50 20.00 21.25 21.25
    62.7 10.25 U 62.13 20.25 22.13 22.13
    63.4 10.50 U 1/2 62.75 20.50 22.75 22.75
    64.0 10.75 V 63.38 --- 23.38 23.38
    64.6 11.00 V 1/2 64.00 20.75 24.00 24.00
    65.3 11.25 W 64.63 --- 24.63 24.63
    65.9 11.50 W 1/2 65.25 21.00 25.25 25.25
    66.6 11.75 X 65.88 --- 25.88 25.88
    67.2 12.00 X 1/2 66.50 21.25 26.50 26.50
    68.1 12.25 Y 67.13 21.50 27.13 27.13
    68.5 12.50 Z 67.75 21.75 27.75 27.75
    69.1 12.75 Z 1/2 68.38 --- 28.38 28.38
    69.7 13.00 --- 69.00 22.00 29.00 29.00
     
    Shipping calculated at checkout.

    Size Chart

      Inside
      Circumference (mm)      		 US, Canada, Mexico Size UK, Australia, Ireland,
      New Zealand, South Africa      		 France Germany, Russia, Ukraine, Asia India, China, Japan,
      South America, Turkey, Israel      		 Italy, Spain, Netherlands, Switzerland
      44.2 3.00 F 44.00 14.00 4.00 4.00
      44.8 3.25 F 1/2 44.63 14.25 4.63 4.63
      45.5 3.50 G 45.25 14.50 5.25 5.25
      46.1 3.75 G 1/2 45.88 14.75 5.88 5.88
      46.8 4.00 H 46.50 15.00 6.50 6.50
      47.4 4.25 H 1/2 47.13 15.25 7.13 7.13
      48.0 4.50 I 47.75 15.50 7.75 7.75
      48.7 4.75 J 48.38 --- 8.38 8.38
      49.3 5.00 J 1/2 49.00 15.75 9.00 9.00
      50.0 5.25 K 49.63 16.00 9.63 9.63
      50.6 5.50 K 1/2 50.25 16.25 10.25 10.25
      51.2 5.75 L 50.88 --- 10.88 10.88
      51.9 6.00 L 1/2 51.50 16.50 11.50 11.50
      52.5 6.25 M 52.13 16.75 12.13 12.13
      53.1 6.50 M 1/2 52.75 17.00 12.75 12.75
      53.8 6.75 N 53.38 --- 13.38 13.38
      54.4 7.00 N 1/2 54.00 17.25 14.00 14.00
      55.1 7.25 O 54.63 17.50 14.63 14.63
      55.7 7.50 O 1/2 55.25 17.75 15.25 15.25
      56.3 7.75 P 55.88 --- 15.88 15.88
      57.0 8.00 P 1/2 56.50 18.00 16.50 16.50
      57.6 8.25 Q 57.13 18.25 17.13 17.13
      58.3 8.50 Q 1/2 57.75 18.50 17.75 17.75
      58.9 8.75 R 58.38 18.75 18.38 18.38
      59.5 9.00 R 1/2 59.00 19.00 19.00 19.00
      60.2 9.25 S 59.63 19.25 19.63 19.63
      60.8 9.50 S 1/2 60.25 19.50 20.25 20.25
      61.4 9.75 T 60.88 19.75 20.88 20.88
      62.1 10.00 T 1/2 61.50 20.00 21.25 21.25
      62.7 10.25 U 62.13 20.25 22.13 22.13
      63.4 10.50 U 1/2 62.75 20.50 22.75 22.75
      64.0 10.75 V 63.38 --- 23.38 23.38
      64.6 11.00 V 1/2 64.00 20.75 24.00 24.00
      65.3 11.25 W 64.63 --- 24.63 24.63
      65.9 11.50 W 1/2 65.25 21.00 25.25 25.25
      66.6 11.75 X 65.88 --- 25.88 25.88
      67.2 12.00 X 1/2 66.50 21.25 26.50 26.50
      68.1 12.25 Y 67.13 21.50 27.13 27.13
      68.5 12.50 Z 67.75 21.75 27.75 27.75
      69.1 12.75 Z 1/2 68.38 --- 28.38 28.38
      69.7 13.00 --- 69.00 22.00 29.00 29.00
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      Ethically Sourced Gemstones

      Handcrafted by Aquamarise®

      Complimentary Engraving on Every Order

      Free U.S. Shipping + Worldwide Delivery

      Ethically Sourced Gemstones

      Handcrafted by Aquamarise®

      Complimentary Engraving on Every Order

      What Makes Aquamarise® Different

      Hand wearing a diamond ring with a soft pink background

      Crafted in Solid Gold

      Crafted from the finest materials, designed to be cherished for a lifetime.

      Your Stone, Your Story

      Solid gold enhances every gemstone in the Aquamarise® collection, bringing out its brilliance, whether classic or unexpected.

      Made to Last Generations

      Solid gold endures through time, never fading or flaking, offering pure, lasting quality for years to come.

      Crafted to Last. Not Just Sparkle.

      Where most jewelers focus on appearance, Aquamarise® focuses on craftsmanship, durability, and a piece you will treasure forever.
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      Metal Type: 14K White Gold
      14K White Gold
      925 Sterling Silver