7x5mm Oval Opal Doublet Engagement Rings A uniquely-coloured peridot eternity ring

A uniquely-coloured peridot eternity ring in solid sterling silver

A dainty and elegant yellow gold ring with a stunning trio of 7x5mm amethyst and diamonds

A boldly lavish white gold lab diamond ring with trio diamond detailing

A unique Ethiopian Rainbow Opal ring made of solid gold

7x5mm Oval Opal Doublet Engagement Rings A uniquely-coloured peridot eternity ringThis 7x5mm oval opal doublet features a vibrant play of colour with flashes of green, red and blue. Consisting of a natural opal slice chemically bonded to a deep blue backing, a doublet enhances the stone's "fire" and durability while making it a significantly more affordable alternative to a solid Australian opal. Its calibrated size is perfect for a custom designed ring or pendant. A practical, high impact choice for custom jewellery or a