Royal Diamond Ring in White Gold. You don't have to be a princess or queen to carry this unique crown. Ro Copenhagens royal rings are made so that they can be carried alone or together as a couple. A beautiful match could be the royal ring with dots. This royal diamond ring is made in 18K white gold. Set with 60 - 90 brilliant -cut diamonds total. Briliants .0.18 - 0.27ct TW.VS. The Royal Diamond Ring is also made in 18K Gold.