They are heirloom quality pieces. SIZE: Earrings measure 19mm Long by 13.5mm Wide. Stones and metal were tested. CONDITION: Very fine estate condition. These earrings have been converted from the original screw-back design.No inclusions, chips, cracks or scuffs on natural rock crystals. Earring wires show a bit of a bend. Clear silicon earring backs come with these earrings so you can position them so they don't droop. TESTING: Presidium Gem Tester used for the crystals and was positive as natural quartz crystal. Acid testing was positive for high purity silver. Thank you for stopping by to look at our listing. We value your time and any questions are answered within 24 hours. The item "Vintage JAPANESE ROCK CRYSTAL EARRINGS, 950 Silver, Emerald-Cut, Pierced Dangle" is in sale since Sunday, July 4, 2021. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Fine\Retro, Vintage 1930s-1980s\Earrings". The seller is "karmicenterprises" and is located in Oceanside, California. This item can be shipped to United States, Germany, Japan, Canada.