A yellow gold choker also played with the theme by using a 7.9-carat hexagon-shape emerald framed by a double band of pavé diamonds, and set on a gold chain ($20,350).

Laura Taylor, a jeweler at Lorel Diamonds, estimated in a statement that the rumored engagement ring could be worth $370,000 to $500,000.Taylor noted that the yellow gold ring “has sparked ...

Fancy vivid yellow diamond and diamond Toi et Moi ring fetched $253,000. Phillips. ... A 10.11-carat Paraiba tourmaline from Brazil sold for $215,900. Phillips.

Minka Jewels' 18-carat yellow gold, tourmaline, aquamarine and diamond Atlantis ring (£10-000 or $12,700). Minka Jewels. CNN — ...