Blue Topaz and Diamond 0.78cts. Platinum Diamond & Coloured Stone Eternity Ring Design ID: 88-01081-113 Type: Diamond & Coloured Stone Metal: 100% Recycled, Hallmarked Platinum Stone Type: Blue Topaz and Diamond Diamond Option: Your Choice, New Generation Lab-Grown or Traditionally Mined Diamonds Total Stone Weight (av.): 0.78cts. Stone Shape: Princess & Round Setting Style: Tension-Set Certificated Diamonds: Not at this size Width: Narrow i.e 3.0mm. Rows: Single-Row