I purchased this vintage ring over 30 years ago at a local antique store that has long since closed. I fell in love with the vintage mounting and the beautiful light green color stone. Unlike most of my rings that I have listed, I actually wore this ring on a somewhat regular basis.  The green stone was listed as peridot. It measures 3/8" x 5/16" and is emerald cut. The band measures 1/16" at bottom and is marked 10k. The ring is size 7 (sorry, when I listed this ring, I listed the size in the i Antique Green Ring With 17 Jewels, Vintage Gemstone Rings For Anniversary, Antique May Birthstone Rings, Green Peridot Birthstone Ring For Formal Events, Green Peridot Birthstone Ring For Formal Occasions, Vintage Solitaire Birthstone Ring For Formal Occasions, Antique Collectible Birthstone Ring, Antique Hallmarked Emerald Ring, Collectible Emerald Cut Green Emerald Ring