This Fabergé Essence Rose Gold Blue Sapphire Forget Me Not Surprise Locket is set in 18 karat gold and opens to reveal a forget-me-not floral surprise with five blue sapphires and a diamond at the centre. The locket is 18mm in size. The Essence collection celebrates Fabergé's love for surprise and wit. Crafted from 18k gold, each piece is inspired by the iconic Imperial Eggs, but incorporates a modern take on the use of diamonds and coloured gemstones.