Archivy značek: Stručná historie diamantového karátu

bižuterie Stručná historie diamantových karátů

The Brief History Of Diamond Carat The term carat comes from the ancient method of weighing precious metal and stones against the seeds of the carob tree—which were considered to be even in weight. Nebylo to do 1907, na čtvrté generální konferenci o vahách a mírách, when it was agreed upon that one diamond […]