17.8 mm internal diameter = approximately 55.9 mm circumference. For Catawiki use: 56 (EU) / 16 (IT) / 7½ (US). Vintage Swedish 18K Yellow Gold Sapphire Ring – 0.312 ct – EU Size 56 An attractive vintage ring crafted in 18 karat yellow gold and set with sapphire, combining classic Scandinavian styling with the rich contrast of blue gemstone and warm gold. The sapphire forms the focal point of the ring and has a stated total weight of approximately 0.312 carat. Its deep blue colour contrasts particularly well with the polished yellow gold setting, giving the ring a refined but distinctive appearance. The piece is of Swedish origin and dates from the 20th century. Its restrained proportions and classic construction make it suitable as an everyday gemstone ring, anniversary ring, dress ring or collectible piece of vintage Scandinavian jewellery. Details: Type: Vintage sapphire ring Metal: Yellow gold Fineness: 18K / 750 Main stone: Sapphire Total stated sapphire weight: approximately 0.312 ct Internal diameter: approximately 17.8 mm Inner circumference: approximately 55.9 mm Ring size: EU 56 / US 7½ / IT 16 Gender: Unisex Country of origin: Sweden Period: 20th century Laboratory report: None Condition: Excellent vintage condition with minimal signs of wear The combination of 18K Swedish gold and sapphire gives the ring a timeless character and makes it particularly suitable for collectors of vintage Scandinavian jewellery, sapphire rings, solid gold jewellery and classic gemstone pieces. Please examine all photographs carefully, as they form an integral part of the description and provide the best representation of the sapphire, hallmarks, setting and overall condition.