Cocktail ring - 18 kt. Yellow gold, Platinum

Antique Ring in 18k Yellow Gold and Platinum with a Grand Oval Blue Gem (~6 ct) and a Rose-Cut and Old-Ccut Diamond Halo – Art Deco Era (c. 1920–1930) Spectacular and elegant antique high‑jewelery ring from the Art Deco period (circa 1920–1930), handcrafted in 18k yellow gold with perforated galleries and upper settings in platinum. It stands out for its imposing central gemstone in transparent pale blue with great brilliance, framed by a fine goldsmith’s border with hand‑carved scrolls and vintage diamond accents. Material: 18 karat gold (750/1000) and Platinum. Weight: 4.94 grams Assay / Hallmark: It bears an assay mark engraved on the shank (18K). Additionally, the metals have been tested by acid and touchstone, guaranteeing the purity of 18k gold and platinum. Main Gem: 1 transparent blue gemstone, oval-cut and faceted. Gem dimensions: approximately 14.5 mm x 10.5 mm. Estimated weight: approximately 5.50 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. Construction details: Lower gallery pierced with hand‑made filigree and shoulders with raised relief. Ring size: 23 US / 63 EU / ~20 mm internal diameter. Condition: Excellent condition for an antique piece, with a natural patina consistent with its age. Shipping and Packaging The lot is shipped carefully packaged in a jewelry box. Professional and secure shipping: Carried out by a specialized courier service, with a tracking code and full insurance included. Legal / Transparency Notes: Please read the description and view the photographs carefully, as they are an integral 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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