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Onyx and Hematite Rings

Antique Onyx Rings, Estate Onyx Rings, Vintage Onyx Rings & Modern Onxy Rings

Discover our Selection of Antique Onyx Rings, Estate Onyx Rings, Vintage Onyx Rings and Modern Onyx Rings. For a Custom Onyx Ring Design Click Here.

Onyx is a Form of Agate, Most Popular For its Black Variety. 

Retro Style Diamond Coral Onyx Ring
A stunning Retro style (with an Art Deco influence) 18kt yellow and white gold ring, circa 1980, featuring 4 round brilliant cut diamonds, est. 0.33ct…
Vintage Onyx Cameo and Diamond Ring
A beautiful vintage 14kt yellow and white gold ring featuring 1 rectangle bottom layer of black onyx that has had the upper white portion carved int…
Vintage Black Onyx and Diamond Ring
A stunning 14kt yellow gold ring featuring 1 black onyx strip and 10 round brilliant cut diamonds, est. 0.15ct (I1 clarity & I-J colour).
Art Deco Style Black Onyx and Diamond Ring
A stunning Art Deco style 18kt yellow gold ring featuring 6 custom cut black onyx inlays and 45 round brilliant cut diamonds, est. 0.49ct (SI-SI1 clar…
Mid Century Modern Smoky Quartz Solitaire Ring
A beautiful mid century modern 10kt textured yellow gold ring featuring 1 emerald cut medium brown smoky quartz, est. 2.91ct.
Birks Vintage White Onyx and Diamond Ring
A beautiful vintage 18kt yellow gold ring, made by Birks Canada,  featuring 1 round cabochon white onyx, approx. 33.95ct and surrounded by 44 round …
Modern Onyx and Diamond Abstract Cubic Ring
A wonderful modern, mid-century 1950's-60's, 18kt yellow gold abstract cubic ring featuring 4 black onyx, approx. 5.0 x 5.0mm and 16 round brilliant …
Edwardian Black Onyx and Diamond Ring
A beautiful Edwardian 10kt yellow gold ring with 1 oval cabochon black onyx, approx. 11.00ct (31.0x15.07x3.2mm) and 1 old European cut diamond, est. 0…
Vintage Coral Diamond Black Onyx Ring
A stunning vintage 14kt yellow gold ring with 10 single cut diamonds, est. 0.15ct (clarity;I1 & H-I colour); 1 custom cut dome shaped coral, approx. 1…
Art Deco Diamond and Onyx Ring
A stunning Art Deco platinum and 18kt white gold mill grain ring with 9 Old European cut diamonds, est. 0.20ct (clarity: I1-I3 & G-H colour) and 1 rec…
Modern Onyx and Diamond Ring
A stunning 18kt yellow gold vintage ring with 1 custom cut black onyx, approx. 20.4 x 25.5mm and 28 round brilliant cut diamonds, est. 0.62ct (colour …
Modern Onyx and Diamond Ring
A stunning modern 18kt yellow gold and rhodium plated floral motif ring, featuring 1 oval cabochon black onyx approx. 23.7 x 19.65 x 3.15mm; 2 round b…
Black Onyx Ring
14kt yellow and white gold ring with 1 bezel-set flat cushion cabochon black onyx, est. 2.78ct.
Black Onyx Solitaire Ring
10kt yellow gold ring with 1 barrel shaped bezel-set black onyx, approx. 9.5 x 7.0 x 2.37mm
Onyx and Diamond Ring
10kt yellow and white gold ring with 1 bead-set diamond, est. 0.02ct (clarity: VS & colour: H-I) set within a polished curved piece of onyx.
Antique Onyx Diamond and Pearl Ring
A beautiful antique platinum and 14kt yellow gold ring featuring 1 flat oval onyx, approx. 16.0x6.0x1.57mm with 1 old European cut diamond, est. …
Onyx and Diamond Ring
One 10 karat yellow and white gold ring. One flat rectangular black onyx piece. One old European cut diamond (0.26 carats: SI2 clarity: H-I colour)…
Onyx and Diamond Ring
One 14 karat yellow and white gold ring. One rectangle onyx. One old European cut diamond (0.16 carats: SI1 clarity: H-I colour).  
Onyx Ring
One 14 karat yellow gold ring. One cabochon onyx. Fourteen round brilliant cut diamonds (0.28 carats: SI clarity: G-H colour).   
Vintage Onyx Ring
One 10 karat yellow gold ring. One round brilliant cut diamond (0.14 carats: I1 clarity: G-H colour). One rectangular chevron facetted onyx.  
Antique Onyx Ring
One 10 karat yellow gold ring. One single cut diamond (0.03 carats: SI clarity: H colour). One octagonal black onyx.  
Bulgari Onyx Leo Ring
A stunning 14kt rose gold Bvlgary ring with 1 square onyx, approx. 10.2mm x 10.2mm and 5 round brilliant cut diamonds, 0.08ct (clarity:VS & G-H …
Antique Onyx and Diamond Ring
A beautiful antique 18kt yellow gold with a silver top ring, featuring a wreath and floral basket motif, set with 1 flat oval cabochon onyx, approx.…
Black Onyx Ring
One custom-made 14 karat yellow gold ring. One wire-set ribbed domed black onyx. 
Onyx Ring
One 24 karat yellow gold with silver slitaire. One cabochon black onyx. The ring has an oxidized hammered shank. 
Antique Onyx
One 14 karat yellow gold antique ring. One black onyx cabochon (15.13 carats). The ring has a floral design and triangular shoulders.
Black Onyx Ring
One 10 karat yellow gold antique ring. One single cut diamond (0.02 carats: VS clarity: I-J colour). One rectangular onyx piece.
Onyx and Diamond Ring
One 14 karat white gold ring. One cabochon black onyx (16.64 carats). Nine round brilliant cut diamonds (0.45 carats: SI-I1 clarity: H-I colour).  …
Ring Black Onyx Rock Crystal and Diamond
This is a great looking ring,  rock crystal with a central oval cabochon black onyx stone, surrounded by diamonds.  Set in yellow gold.  …
RVP