HolidayGiftShops Marquise-Shaped Baltic Amber Sterling Silver Adjustable Ring Made of genuine natural Baltic amber imported from the Baltic region of Europe (Poland, Lithuania). We only use sterling silver for our rings. Each ring is stamped with "925" that ensures 92.5% of silver. We only use sterling silver for our rings. Each ring is stamped with "925" that ensures 92.5% of silver. Ring Size: Adjustable, Stone: L- 0.5", W- 0.3". To