Minimalist and cute style of lab opal in gold over silver. If you like delicate, dainty jewelry these were made for you. Very light cast studs with prongs.  The opal symbolizes faithfulness and confidence. The word comes from the Latin opalus, meaning “precious jewel,” and from the Greek word opallios, meaning “to see a change in color.”  A jewelry is considered vermeil when the base metal is silver and heavy plated with gold (at least 100 microns). * Silver 925 heavy gold plated with 18k gold (AU 750) * Dimensions:  6mm length x 3.5mm wide * Elliptical shape * High quality Japanese lab opal * Hypoallergenic and water resistant jewelry * Imported