18ct yellow gold emerald and diamond halo ring

One ladies - 18ct yellow gold dress ring, narrow, half round, tapered shank with closed back bezel with scolloped halo surround, polished finish. The item contains:

One rub over set rectangular cushion emerald, colour is "medium dark".
Dimensions = 13mm(L) x 10mm(W) x 6.1 mm(D-estimated)
Total Weight = 4.50ct
Twenty six claw and rub over set round brilliant cut diamonds, clarity is "VSI-VS2",
colour is "I".
Dimensions = 1.8mm(Dia) x 1.1 mm(D-estimated) (smallest)
Dimensions = 2.2mm(Dia) x 1.34mm(D-estimated) (largest)
Total Weight = 1.23ct calculated

Item Totals:
Total Item Weight = 6.40gm
Total Gemstone Weight = 5.73ct
Total Metal Weight = 5.25gm estimated
Replacement Valuation $27,849.00