This is A GORGEOUS and ORIGINAL ANTIQUE RING that was handmade during the 1910s from PLATINUM.  The ring is set with 1 ROUND OLD MINE CUT DIAMOND of K-L color, VVS2 clarity that weighs 2.30 carats and the weight is engraved in the shank.  EGL (European Gemological Laboratory) did pre-grading on this diamond and they graded it as I-J color, VS1 clarity. This bezel-set diamond has a diameter that measures approx.  8.3 – 8.6 and the depth is 5.03 mm.  IT IS VERY CLEAR WITH FABULOUS SPARKLE!  The center diamond is framed with 8 ROUND OLD MINE CUT DIAMONDS of H color, SI clarity that weigh approx. .48 ctw.  There are an additional 8 ROSE CUT WHITE DIAMONDS in between the mine cuts that weigh approx. .03 ctw.  The total diamonds weight is approx. 2.81 ctw.  The head of the ring measures 5/8” in diameter and it sits 1/4” high off the finger.  The ring size is between 7 – 7 1/4 and the total weight is 5.6 grams.  THIS RING IS EXQUISITE ALL THE WAY AROUND.