This is a wonderful cultured Black Opal sterling silver butterfly Ring in the Victorian style.It boasts beautifully coloured Black Opals that are set in the wings of the butterfly.The Opal is a kaleidoscope of rainbow colours - shimmering and changing colours with the light. Opals radiate a myriad of colours - blues, pinks, greens, turquoise and an inner orange.Black Opals are very sought after which makes this Ring extremely special.It weighs 5.9 grams.It is a UK size Q 1/2 and USA 8.5 - It can be resized.In very good condition it looks gorgeous when worn.The dimensions of the Ring are 20mm across and 18mm down - that's just over 3/4 of an inch by approximately 3/4 of an inch.