Cabochon is a wonderful cut for displaying the depth and saturation of colour of such amazing gemstones as this Royal Blue sapphire.

Emeralds, Rubies, Pearls and Diamonds make up this gorgeous necklace.

Aquamarine and diamond bangle, René Boivin, 1937
Set with cushion-shaped and circular-cut aquamarines and circular-cut diamonds, inner circumference approximately 170mm, signed René Boivin, French assay and maker's marks, case stamped René Boivin.