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.

Estimation:€1,000

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