This piece features a loose stone with a dark base color and a fantastic play-of-color effect that shifts with the angle. * Natural Stone: Ethiopian Black Opal * Natural Stone Size: (approx. 6mm x approx. 6mm x 3-5mm, approx. 0.5ct) * Round Faceted Cut * Ring Frame Material: SILVER925, 18KGP finish. K10/K18 orders also available. * Ring Size: Size 9 / Size 11 【Please select】 * Ring Width 【Size 9】 Inner diameter: approx. 15.5mm, Inner circumference: approx. 49mm 【Size 11】 Inner diameter: approx. 16.3mm, Inner circumference: approx. 51mm * Silver hallmark included * Due to the handmade nature of the piece, the top size and main stone size may vary slightly. * Inclusions (internal features) and minor scratches in the colored stone are proof of its natural origin. Also, the color may differ slightly from what you see on the screen. We appreciate your understanding. * Due to the nature of natural stones, there will be individual differences in color, inclusions, and scratches, but we carefully select stones of the same quality. * We operate multiple online shops simultaneously. If the inventory status is not updated in time and orders overlap, we may have to cancel your order. We appreciate your understanding. Color: Black Material: Gold Ring Size: Size 11 Accessories: Box Scratches/Discoloration: None