Bidspirit auction | NECKLACE, Diamond, Riviere necklace, modern,

NECKLACE, Diamond, Riviere necklace, modern, composed of one hundred and nine graduated round brilliant cut diamonds each claw set with a round brilliant cut diamond, white mount, box and tongue fitting, Cut - round brilliant cut, Average dimensions - one hundred and nine graduated from 2.8mm to 6mm diameter, Estimated total weight - 18.4ct, Assessed colour - H/I, Assessed clarity - SI2/Pique, Details of Mounting:Hallmarked - Unhallmarked, stamped '750' Continental marks, valued as 18k gold, Overall dimensions - 430mm long, Gross weight - 36.2 grammes