platinum diamond blue sapphire semimount engagement ring size 4.75 2.67g vintage

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platinum diamond blue sapphire semimount engagement ring size 4.75 2.67g vintage

One vintage estate circa 1935 platinum diamond and sapphire engagement ring semi mount, formerly fitting a 2 carat oval or rectangular cushion shape center stone measuring 8.50 x 7.25 x 5.30mm in four prongs. The size 4.75 ring measures 7.9mm across the top, 2.3mm at the shoulders and 1.3mm at the base, stamped PLATINUM with a maker's mark and partial date engraving. Containing six square French-cut sapphires measuring 1.25mm (2) and 1.00mm (4) weighing 0.20 carat total. Color is medium-Dark, Vivid, Blue. Clarity is VVS. Cut is Good. 

Twenty single cut round diamonds measuring 1.50mm weighing 0.30 carat total.

Color is G to J

Clarity is SI to I1

Cut is Good

Total Weight of Ring: 2.67 grams