Jump ring, brass, 4.5mm soldered round, 2.9mm inside diameter, 20 gauge. Sold per pkg of 100. - Fire Mountain Gems and Beads
Size chart - MB Jewelers
Ring Size Guide – MEISSA
Size Chart Ring (Wholesale)
UK / US / EU Ring Size Chart / Downloadable Ring Size Chart / - Etsy
Antique Rose Cut Bohemian Garnet Cluster Ring 14K Yellow Gold Size 4.5- 7.36g | eBay
At Auction: A Vintage or Antique Sterling Silver Celtic Design Citrine Set Ring, Size M. Set with a round cut 4.5mm Diameter Citrine. The Ring Weighs 2.71 Grams.
How to accurately measure your ring size – Baubou
Porcelain Ring (size 4.5) — PENELOPE AUGUST
International Ring Size Chart. - Artcraftsthai
RING SIZE GUIDE - Jannpaul
How to measure your ring size - Fallers Irish Jewelers | Ring Size Guide