Exceptional Scandinavian Design – Rectangular Green Tourmaline Ring in Solid 18k Yellow Gold – Signed Swedish Hallmark – Mid-Century Modernist Art Jewelry – Unique Artisan-Crafted Ring – Statement Gemstone Ring – Vintage Swedish Gold Jewelry – Hallmarked “18K PF” This striking vintage designer ring is a masterclass in mid-century modern Scandinavian goldsmithing, showcasing clean architectural lines and a confident minimalist silhouette. Crafted in solid 18k yellow gold, this piece features a bezel-set rectangular step-cut green tourmaline with a cool bluish-green hue—set horizontally for maximum visual impact. The gemstone, weighing approximately 1.01 carats, exhibits strong internal clarity and a deep natural saturation that glows beneath its polished surface. The inside of the band is hallmarked with the Swedish national control mark (cat’s paw), "18K", and the maker’s stamp “PF”, certifying its authenticity and gold purity. The sleek gold band tapers elegantly, merging sharp edges with ergonomic comfort—ideal for everyday wear or as a signature statement piece. Whether you're searching for a unique engagement ring with character, an artisan-made collectible, or a modernist cocktail ring steeped in Nordic design heritage, this one-of-a-kind Swedish gold and tourmaline ring delivers unmistakable identity and elegance. Details: Metal: Solid 18 karat yellow gold Gemstone: Natural green tourmaline (approx. 1.01 ct), step-cut, rectangular Ring size: 54 EU / 14 IT / 6¾ US (resizing not offered) Total weight: 3.00 grams Hallmarks: “18K PF” + Swedish cat’s paw (control mark for 18k gold) Era: Mid to late 20th century Origin: Sweden Condition: Very good vintage condition – light signs of wear consistent with age This collector’s piece is ideal for connoisseurs of vintage Scandinavian jewelry, modernist gold rings, tourmaline engagement rings, and minimalist gemstone design. A rare find for lovers of Nordic craftsmanship, art jewelry, and geometric gold rings with genuine personality.