Green Tanzanite , Onyx and Diamonds in Platinum

platinum dress ring, narrow, low half round shank with open back, 4 claw setting with halo and onyx surround, polished finish. The item contains:

One claw set rectangular cushion natural green tanzanite, colour is "medium".

Dimensions = 15.6mm(L) x 9.1mm(W) x 6.2mm(D-estimated)

Total Weight - 6.64ct

Forty eight bead set natural round brilliant cut diamonds, clarity is "VS2-SI", colour is "H".

Dimensions = 1.5mm(Dia) x 0.92mm(D-estimated)

Total Weight = 0.52ct calculated

Two onyx pieces.

Total Weight = 5.32ct calculated

Item Totals:

Total Item Weight - 9.70gm

Total Gemstone Weight = 12.48ct

Total Metal Weight = 7.20gm estimated