Opal and tourmaline give October birthstones a full rainbow of colors to choose from. ... Temple St. Clair Dreamcatcher 18K Yellow Gold, Ruby & Pink Tourmaline Ring. $4,900 at Saks Fifth Avenue.

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 — ...