This very large turquoise stone is outstanding at its size. Measuring approximately 61mm x 43mm (2 3/8" x 1 3/4"), this massive stone has a light blue/green color with gorgeous tan matrix. This is on a chased sterling setting with rope and bead work. The top measures 2 7/8" x 2 3/8". This sets on a a thick three ribbed shank with a cross bar on each side with a rope embellishment. This is a size 6 3/4 which includes the 1 1/4" wrist opening. Total weight is 137.4 grams or 4.84 ounces. Stones of this size are hard to find! Most likely Navajo. No makers marks. Tests sterling.