Unworn Soviet Vintage 585 Rose Gold Ring (Size 17) with Oval Lab-Created Ruby - 5.89g - Inherited Heirloom with Original Tag - Ukraine (Lviv), c. 1990 An exceptional vintage Soviet-era ring made of 585 rose gold, featuring a vibrant, oval-cut pinkish-red lab-created corundum (synthetic ruby). This elegant piece was manufactured by the renowned Lviv Production Association "Yuvelirprom" (Львовское ПО «Ювелирпром»), Ukraine. Provenance & Condition: This ring is a precious family heirloom, obtained by inheritance. It is in absolute pristine, brand-new, and unworn condition (New Old Stock). For decades, it has been meticulously and carefully preserved in family storage, completely untouched. The ring still retains its original factory paper tag and intact lead seal, proving it has never been used. The inner side of the shank features remarkably crisp, official hallmarks including the 585 gold assay stamp and the manufacturer's exclusive maker's mark (именник). All technical parameters are clearly printed and stamped on the original factory tag. Specifications: • Material: 585 Rose Gold (equivalent to 14 karats) • Total Weight (Mass): 5.89 grams (as stated on the official tag) • Ring Size: 17.0 (EU 53 / US 6.5) • Main Stone: Oval-cut synthetic corundum (ruby), approx. 14 x 9 mm, featuring a deep, luminous raspberry-red hue with exceptional clarity. • Origin: Lviv, Ukraine (USSR design/standard) • Period: Late Soviet / Early Post-Soviet era (Standard: OST 25 1290-87) • Design: Intricate openwork filigree/scrollwork styling on the gallery and elegant bezel setting. • Condition: As new / Flawless / Unworn. The original paper tag is firmly attached via the factory cord with its authentic lead seal. • Article Number: 1070226 • Original Retail Price (on tag): 82.85 Rubles Note: Please examine the high-resolution close-up photographs to inspect the perfect state of the gold, the clarity of the hallmarks, and the intact seal.