Crushed Turquoise & Coral Inlay Ring Rings and color-changing varieties do exist

and color-changing varieties do exist (often blue to purple)

loop folds out allowing brooch to be worn as pendant

14kt yellow gold bezel and posts

Opal plays well in the sunlight

Crushed Turquoise & Coral Inlay Ring Rings and color-changing varieties do existA Bit About The Piece: Turquoise and Coral Crushed Inlay Pieces set in Sterling Silver Details, details The Gemstones: Turquoise: stone cut: crushed inlay pieces set into triangular shapes stone measurements: 5. 83 x 3. 64mm Coral: stone cut: crushed inlay pieces set into diamond shaped pieces stone measurements: 4. 40mm The Setting: Bezel Set Sterling Silver Setting Ring Design: Bezel set turquoise and coral crushed inlay set in sterling silver . 925