shop › Circle Meet Square Grey Diamond Circle Meet Square Grey Diamond $640.00 A cluster of round and square natural grey diamonds, set in 14k yellow gold. Hand made by Mettle + Silver.Click here to add a threadless labret post backing. A cluster of round and square natural grey diamonds, set in 14k yellow gold. Hand made by Mettle + Silver.Click here to add a threadless labret post backing. Add To Cart Added! You Might Also Like Feville de Chene from $260.00 Bucatelli Blue Sapphire $260.00 Salt & Pepper Marquise Diamond $245.00 Geometric Umba Sapphire 3 $390.00 Needle Stoned $446.00