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Black Onyx Rings

Browse our collection of black onyx rings, including engagement rings, claddagh and celtic rings, men's rings, and more. You can even design your own black onyx ring by combining black onyx with any other gemstone to create a unique family keepsake. Black Onyx is known as the gem of confidence and protection and is the birthstone for the month of December. You are currently viewing the items below in 14K White Gold.
onyx mens rings
Tire Tread Men's Ring
Genuine Black Onyx
14K White Gold
8x8mm CUSHION
$399.00
onyx celtic rings
Celtic Trinity Knot Men's Ring
Genuine Black Onyx
14K White Gold
8x8mm TRILLION
$499.00
onyx halo rings
Halo Ring
Genuine Black Onyx
14K White Gold
5x5mm ROUND
$299.00
onyx keepsake rings
Butterfly Ring
Genuine Black Onyx
14K White Gold
7x5mm PEAR
$279.00
onyx halo rings
Halo Heart Ring
Genuine Black Onyx
14K White Gold
6x6mm HEART
$379.00
onyx celtic rings
Claddagh Trinity Knot Ring
Genuine Black Onyx
14K White Gold
6x6mm HEART
$249.00
onyx celtic rings
Celtic Trinity Knot Ring
Genuine Black Onyx
14K White Gold
4x4mm SQUARE
$189.00
onyx claddagh rings
Claddagh Ring
Genuine Black Onyx
14K White Gold
6x6mm HEART
$189.00
onyx celtic rings
Celtic Trinity Knot Ring
Genuine Black Onyx
14K White Gold
8x6mm OVAL
$199.00
onyx celtic rings
Celtic Trinity Knot Ring
Genuine Black Onyx
14K White Gold
5x5mm HEART
$239.00
onyx mens rings
Men's Ring
Genuine Black Onyx
14K White Gold
9x7mm EMERALD_CUT
$579.00
onyx mens rings
Men's Ring
Genuine Black Onyx
14K White Gold
8x6mm OVAL
$349.00
onyx engagement rings
Celtic Knot Ring
Genuine Black Onyx
14K White Gold
7x5mm EMERALD_CUT
$499.00
onyx claddagh rings
Claddagh Celtic Knot Ring
Genuine Black Onyx
14K White Gold
6x6mm HEART
$199.00
onyx mens rings
Men's Ring
Genuine Black Onyx
14K White Gold
9x7mm EMERALD_CUT
$599.00
onyx engagement rings
Celtic Knot Halo Ring
Genuine Black Onyx
14K White Gold
5x5mm ROUND
$499.00
onyx engagement rings
Celtic Knot Ring
Genuine Black Onyx
14K White Gold
6x6mm SQUARE
$529.00
onyx filligree rings
Filligree Scroll Ring
Genuine Black Onyx
14K White Gold
4x4mm ROUND
$159.00
onyx infinity rings
Infinity Ring
Genuine Black Onyx
14K White Gold
5x3mm PEAR
$159.00
onyx modern rings
Heart To Heart Ring
Genuine Black Onyx
14K White Gold
5x5mm HEART
$349.00
onyx timeless rings
Three Stone Ring
Genuine Black Onyx
14K White Gold
4x4mm SQUARE
$469.00
onyx engagement rings
Celtic Knot Ring
Genuine Black Onyx
14K White Gold
6x6mm ROUND
$499.00
onyx filligree rings
Filligree Scroll Ring
Genuine Black Onyx
14K White Gold
4x4mm SQUARE
$169.00
onyx modern rings
Art Deco Ring
Genuine Black Onyx
14K White Gold
6x4mm EMERALD_CUT
$349.00
onyx timeless rings
Milgrain Scroll Ring
Genuine Black Onyx
14K White Gold
8x6mm EMERALD_CUT
$189.00
onyx engagement rings
Art Deco Ring
Genuine Black Onyx
14K White Gold
8x6mm OVAL
$599.00
onyx filligree rings
Victorian Twist Ring
Genuine Black Onyx
14K White Gold
7x5mm OVAL
$269.00
onyx claddagh rings
Claddagh Ring
Genuine Black Onyx
14K White Gold
5x3mm PEAR
$179.00
onyx filligree rings
Filligree Scroll Ring
Genuine Black Onyx
14K White Gold
6x4mm OVAL
$189.00
onyx celtic rings
Celtic Knot Ring
Genuine Black Onyx
14K White Gold
6x6mm CUSHION
$199.00
onyx mens rings
Men's Ring
Genuine Black Onyx
14K White Gold
8x6mm EMERALD_CUT
$369.00
onyx engagement rings
Antique Style Ring
Genuine Black Onyx
14K White Gold
7x5mm OVAL
$599.00
onyx filligree rings
Swirls Ring
Genuine Black Onyx
14K White Gold
7x5mm OVAL
$159.00
onyx engagement rings
Celtic Knot Ring
Genuine Black Onyx
14K White Gold
8x6mm EMERALD_CUT
$529.00
onyx claddagh rings
Claddagh Ring
Genuine Black Onyx
14K White Gold
5x5mm HEART
$189.00
onyx modern rings
Antique Style Ring
Genuine Black Onyx
14K White Gold
8x4mm MARQUISE
$389.00
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Black Onyx learn about Black Onyx
Did you know that wearing black onyx jewelry is said to protect you from harm? Did you know that soldiers of ancient times used to carry onyx with them to guard against injury? Learn all there is to know about black onyx and black onyx jewelry in our informative collection of facts and legends about onyx, the blackest of gems.