Vintage Black Onyx and Diamond Accent Cocktail Ring
Unbranded (likely mass-market or costume jewelry maker) · Jewelry & Watches, Rings
AI-generated estimate · may be incorrect
Era / Decade
1970s - 1980s
Material
Gold-plated metal, black onyx stone, and a small single-cut diamond accent; low intrinsic metal value due to plating.
Condition
Good condition with minor surface scratches on the onyx and slight wear to the gold plating on the band.
Demand Level
Moderate, appealing to buyers seeking vintage statement costume jewelry.
AI Estimated Value
Estimated Resale Value
Not an official valuation$15 - $35
AI estimate for general guidance only — not a professional appraisal. Actual value depends on condition, authenticity, completeness, and current demand.
Estimated Retail Value
$45 - $85
Description
Bold vintage cocktail ring featuring a polished oval black onyx cabochon set with a tiny central diamond accent in yellow gold-plated metal. Estimated size 7.
Selling Guide
Where to Sell
Etsy and eBay are best for reaching vintage jewelry collectors and everyday buyers.