https://www.etsy.com/au/listing/520677089/natural-rhodolite-garnet-black-opal

GEMSTONE : Natural Rhodolite Garnet & Black Opal
HARDNESS : 5.45 – 9.0 Mohs Scale
LOCALITY : Africa, Ethiopia & Brazil
SHAPE/CUT : Pear Facet, Round Cabochon & Round Diamond Cut
COLOR : Top Fancy Colors
CLARITY/GRADE : IF TO VVS & Transparent
LUSTER : Gorgeous
TREATMENT : Unheated & Heated
GEM SIZE : 4.0 x 6.0mm & 4.0 mm (TBC)
RING SIZE : TBA
HEAD SIZE : 27.0 x 26.0 mm (TBC)
WEIGHT ct : 56.28 ct. (total weight)
METAL : 14k WHITE GOLD and 925 Solid Sterling Silver