CLICK ON "VIEW MY OTHER ITEMS" THANK YOU. Inner diameter: 16.48 x 17.84 mm = 1.6 x 1.7 cm approximately. Geometric flower setting size: 16.76 x 21.60 mm + Thickness: approximately 3.72 mm. Ring: 5.13 mm at widest and 4.55 mm at thickest.
YOU HAVE 2 SHIPPING OPTIONS / TRACKED OR REGISTERED / SO MAKE THE RIGHT CHOICE.