Antique Victorian 9ct Yellow Gold Black Onyx Ring Set With A Single Diamond

Antique 9ct Gold & Platinum Black Onyx Ring w/ Diamond – Late 19thC – Size M

⸻

Item Description:

A beautiful and rare antique late 19th-century ring crafted in 9ct yellow gold with a platinum illusion-set single diamond. The ring features an elegant rectangular (emerald-shaped) black onyx panel, centrally set with a sparkling eight-cut diamond (approx. 0.03ct) in a platinum mount.

A classic example of Victorian-era design, likely worn as mourning jewelry or a refined statement piece. The fine onyx measures approx. 14.5mm x 6.75mm, offering a striking contrast against the delicate brilliance of the diamond.

The inside of the shank is stamped ‘9ct’ and ‘Plat’, indicating genuine gold and platinum content. This piece is in excellent antique condition with minimal signs of age-related wear.

Key Features:

• Metal: Solid 9ct Yellow Gold with Platinum Setting

• Gemstones: Rectangular Black Onyx & 0.03ct Eight-Cut Diamond (approx.)

• Setting: Illusion-set in platinum

• Onyx size: ~14.5mm x 6.75mm

• Finger Size: UK M (approx. US 6¼)

• Weight: 3.8 grams

• Hallmarks: ‘9ct’ & ‘Plat’

• Era: Late 19th Century (Victorian)

A fine collector’s item or a unique vintage gift.

Condition:

Very good antique condition. No major chips or cracks to the onyx. Diamond is secure and bright. Some light surface wear in line with age