Russian, circa 1890
An elegant 14K gold tiara-shaped ring with trefoil motif is set with old mine cut diamonds and two cabochon cut blue sapphires.
The biggest diamond measures 4.7 x 4.05 x 3.25 mm and is approximately 0.52 ct.
Estimated combined weight of the sapphires is 1.68 ct.
Approximate total diamond weight – 1 carat.
The ring is marked with pre-1899 Russian 56 zolotnik assay mark.
Ring size 6 (16 mm) sizable