(IDEX Online) - A 17.97-carat Burmese ruby is to be offered with a $4.8m to $5.5m estimate by Phillips Geneva, together with a 3.24-carat fancy vivid blue, internally flawless diamond ($4.8m to $6m).
(IDEX Online) - Costco is now selling 1oz platinum bars online to its members, priced at $1,089.99. The move, by the world's third-largest retailer, follows its introduction of 1oz gold bars last ...