Platinum, Diamond & Tourmaline Ring from the 1930's American. Fabulous ring with wonderful center tourmaline, weighing 2.0 carats. The bluish-green tourmaline tested with refractive index liquid. What a wonderful color! Surrounded by two perfect diamonds! Each diamond is IF (internally flawless), D color with total weight of .60 carats. Diamonds tested with a diamond tester. The ring is platinum. Platinum tested with platinum acid...

Antique Edwardian Pin. Circa. 1915 American. Platinum pin, tested with platinum acid. Bottom of pin is 14K yellow gold, tested with 14K acid. 9 old mine cut diamonds with total approximate weight of .85 carats. F color VVS1. 6 single cut diamonds with total approximate weight of .25 carats. G color. VS1. Total diamond weight on pin is approximately 1.10 carats. All diamonds tested with a diamond tester. The pin measures 2 1/2 inches long and 1/2 inch wide, at it's widest. 7.2 gr...