This two birch wedding ring features nine (9) emerald-cut moissanite. The moissanite is set in prongs making them very secure. The sterling silver is solid and features platinum plating to help protect against tarnish. Each ring features a gra certificate. See the images for a sample certificate. Each stone is 5 x 3 mm, with a diamond equivalent weight of .50 carats in total. The ring is approximately 4.5 ct dew (diamond equivalent weight). Total carat weight- 4.50 Number of stones - 9 Key product features this twobirch wedding ring features nine (9) emerald cut moissanite. The moissanite is set in prongs making them very secure.