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Beautifully crafted Mid-Century 14K gold ring, set with a natural purple star sapphire and four sparkling diamonds. The piece dates to the 1950s and bears the maker’s mark “UMP.”
The design features a flowing split-shoulder motif, with a central oval cabochon sapphire showing a distinct six-ray asterism. Two old mine-cut diamonds on each side highlight the gem’s soft violet glow.
Purple star sapphire: approx. 9 mm × 6.4 mm x 6 mm (≈ 3.5 CW) Diamonds: VS1–VS2 clarity, E–F color, ≈ 0.5 CTW total Top of ring: 18 mm × 14 mm Band width (rear): 2.5 mm Gold: tested 14 K Hallmark: UMP inside shank Total weight: 3.1 grams Ring size: 4
