18CT TWO TONE SAPPHIRE AND DIAMOND RING

18ct yellow gold 18ct rose gold dress ring, narrow, half round shank with underrail, polished finish. The item contains:
One rub over set oval shaped orange sapphire, colour is "medium dark".
Dimensions = 8.9mm(L) x 7.2mm(W) x Smm(D-estimated)
Total Weight = 1.48ct
Thirty claw set round brilliant cut diamonds, clarity is "VS2-SI", colour is "H".
Dimensions = 1.4mm(Dia) x 0.85mm(D-estimated) (smallest)
Dimensions = 1.6mm(Dia) x 0.98mm(D-estimated) (largest)
Total Weight = 0.77ct calculated
Item Totals:
Total Item Weight = 5.30gm
Total Gemstone Weight = 2.25ct
Total Metal Weight =4.70gm estimated