THE RING HAS A PLATINUM MARK AND HAS ALSO BEEN TESTED WITH PLATINUM ACID AND A "KEE" TESTER. IT WEIGHS 5.3 GRAMS. SET ACROSS THE TOP ARE THREE ROWS OF ROUND SINGLE CUT NATURAL DIAMONDS. THE 28 DIAMONDS HAVE AN APPROX TOTAL WEIGHT OF 1/5 CT. THE TOP OF THE RING IS 6.3 MM WIDE. IT WEARS TO A SIZE 5.5 AND CAN BE RESIZED BY YOUR LOCAL JEWELER. AS WITH MOST OF MY AUCTIONS, I LIKE TO START THEM AT .99 CENTS.