Vintage Brooches vs Gem Tester from Thrift Shop! Real or Glass? Diamonds? Testing Jewelry Jars

I bought a "lucky scoop" of brooches that I will be testing for moissanite, diamonds, CZ cubic zirconia and gemstones from thrift shops. I will test the jewelry brooches with a diamond tester to see if they are real or fake using the Presidium Gem Tester II. I will test a Christian Dior brooch too. Watch how I test rings from a thrift shop for diamonds:    • Testing Rings from Thrift Shop! Real or Gl...   Watch how I stress test a lab created moissanite:    • Testing Temu Moissanite Jewelry: Real or G...   Buy a Presidium Gem Tester II on Amazon https://amzn.to/4tbHiax (As an Amazon Associate I earn from qualifying purchases) Watch next I test mystery gemstones    • Presidium Gem Tester II Testing a Mystery ...      • How I Identify Gemstones at Home - Testing...      • Is Your Turquoise Jewelry Real or Fake? Te...