Charlize Russian Ring with Diamonds in 18K Rose Gold Plating MYKA Trinity Ring 14k Rose Gold Russian Rolling Ring Triplet Charlize Russian Ring in 18K Rose Gold Plating Engraved rings Russian Wedding Ring. How to Measure: Measure the Circumference: Use a soft measuring tape or a piece of string to measure around the base of your finger. Make sure its snug but not too tight. Convert to Ring Size: Use the measurements above to find your corresponding ring size. Ring Size 5: Circumference approximately 15. 6 cm Ring Size 6: Circumference approximately 16. 5 cm Ring Size 7: Circumference approximately 17. 3 cm Ring Size 8: Circumference approximately 18. 2 cm Ring Size 9: Circumference approximately 19. 0 cm Ring Size 10: Circumference approximately 19. 8 cm