Ring – 19th Century Diamond 3 stone

A lady’s platinum and 18ct yellow gold three stone diamond ring, claw set with a large Old European cut and two smaller Old European cut diamonds in a platinum coronet setting over upswept 18ct yellow gold pointed shoulders from a fine tapered half round shank.
Total weight: 3.0g
Estimated weight of diamonds:
1 – 0.71ct graded set as I-J/VS1
2 = 0.90ct graded set as H-I/VS2-SI

English, 19th Century
Valuation from Gem Studies Laboratory available