Vintage solitaire ring made in 1967

This timeless classic is perfect as an engagement or wedding ring—or why not as a luxurious gift to yourself? Exquisitely detailed with four double prongs holding the stone. Crafted by Sten Gramens Guldsmide in 1967 in Gothenburg. The ring is hallmarked HGPS (Sten Gramens Guldsmide), the city symbol for Gothenburg, a cat’s paw (precious metal hallmark), 18k, R9 (1967), and 0.39 (engraved carat weight of the diamond). Diamond weight: 0.39 ct Size: 16 1/4 (51) Weight: 2.7 g