Hero background

All auctions / Jewelry & Gems / Cocktail ring - 18 kt. Yellow gold, Platinum

2d 17hESCatawiki

Cocktail ring - 18 kt. Yellow gold, Platinum

Cocktail ring - 18 kt. Yellow gold, Platinum

18k Gold and Platinum Antique Ring with a Large Oval Blue Gem (~6 ct) and Rose-cut Diamond Border and Old European Cut – Art Deco Era (c. 1920–1930) Spectacular and elegant vintage Art Deco era high jewelry ring (circa 1920–1930), handcrafted in 18-karat yellow gold with pierced galleries and upper settings in platinum. Highlights a dominant transparent pastel blue central gemstone with great brilliance, framed by a fine metal border with hand-engraved scrolls and vintage diamond accents. Material: 18-karat gold (750/1000) and platinum. Weight: 4.94 grams Contrast / Hallmark: Has a legibility contrast stamped on the shank (18K). Additionally, the metals have been verified by acid testing and touchstone testing, guaranteeing 18k gold purity and platinum. Main Gem: 1 transparent blue oval-cut faceted gemstone. Gem dimensions: approx. 14.5 mm x 10.5 mm. Estimated weight: Range of ~5.50 ct to ~7.00 ct. Secondary Gems: Natural diamonds in rose cut and old cut, set in platinum settings with milgrain / grain technique. Technical Features and Condition Style / Era: Art Deco / 1920s–1930s. Constructive Details: Hand-carved filigree lower gallery and relief-decorated shoulders. Ring Size: 23 US / 63 EU / ~20 mm inner diameter. Condition: Excellent condition for its age, with natural patina consistent with its antiquity. Shipping and Packaging The lot is shipped well-packaged in a jewelry case. Professional and Secure Shipping: Carried out by a specialized courier, with tracking code and full insurance included. Legal / Transparency Clauses and Notes: Please read the description and view the photos carefully, as they are part of the lot description. The gemstones are commonly treated to enhance color or clarity. It has not been verified whether this specific item has undergone such treatments.

Estimate:$1,122.95

To the auction

View all items fromCatawikiorJewelry & Gems

Estimate:

$1,122.95

To the auction

Similar items

Auction results for similar items

A 10k bi-color gold watch chain
Sold

A 10k bi-color gold watch chain

10/18/2026

Clars Auction Gallery
US

$400

Est: $350

Details
A group of gold baby rings
Sold

A group of gold baby rings

10/18/2026

Clars Auction Gallery
US

$400

Est: $300

Details
A group of 14k gold chains
Sold

A group of 14k gold chains

10/18/2026

Clars Auction Gallery
US

$500

Est: $400

Details
A pair of 14k gold bangle bracelets
Sold

A pair of 14k gold bangle bracelets

10/18/2026

Clars Auction Gallery
US

$2,750

Est: $3,000

Details

Upcoming auctions

Best of Auktion
Best of Auktion auction house logo

OCT 31 | 4:00 PM

Best of Auktion

American, European and Ukrainian Fine Art
American, European and Ukrainian Fine Art auction house logo

OCT 23 | 8:00 AM

American, European and Ukrainian Fine Art

Jewellery and Watches
Jewellery and Watches auction house logo

OCT 27 | 4:00 PM

Jewellery and Watches

Bring your auction to collectors worldwide!

Get listed now
Cocktail ring - 18 kt. Yellow gold, Platinum