Transparent Blue Quartz (Royal Blue Amethyst) Oval Brilliant Facetting 8.00x6.00 C2 (1.100 CT / 1 pc). Transparent Blue Quartz (Royal Blue Amethyst) Oval Brilliant Facetting 6.00x4.00 C2 (0.800 CT / 2 pcs). Top Width: 17mm Brand: Tioneer Design: Novelty Style: Bands & Sets Resizable: No Adjustable: No Size/Dimensions: 5 Gift Box: Gift Box Shape: Round Oval