14K. ORECCHINO HUGGIE ORO CON PERLE E TOPAZIO BLU (oro giallo)
We use copper, silver, palladium and zinc to make gold stronger. Gold’s weight is usually devised in "24ths". 10 Princess shape, 2.50 mm, Blue Topaz = 1.20 ct. 2 Round shape, 5.0 mm, Blue Topaz = 1.10 ct.