Sapphire - 0.90ct Tanzanite Opal is a precious stone

Opal is a precious stone classified as a mineraloid

12ct Matching Pair Natural Green Sillimanite

65ct Rolling Flash Caramel Colour Ethiopian Opal selected by our CRWN experts for its quality and utility

necklaces and rings

08mm stone is distinguished by its glowing blend of gold

Sapphire - 0.90ct Tanzanite Opal is a precious stoneA 0. 90ct Sapphire selected by our CRWN experts for its quality and utility. Each of our stones comes supplied with certification and our 100% guarantee. This (no size) stone is distinguished by its golden green colour, and is ideal for necklaces, rings, and charms. Sapphire is a natural species of the mineral corundum. Sapphires are commonly distinguished by their brilliant blue and purple colouring, although they are found in other colours. These