This Amber will arrive with a Certificate of Authenticity. Order in time for Christmas.This is a striking statement ring. An adjustable large silver ring inset with a beautiful sparkling green color Baltic amber gemstone. Decorative swirls of Sterling compliment and enclose the gem. DETAILS Sterling Silver Adjustable BandAmber Ring 10.2g Dimensions of Amber; 23mm X 16mmShape: OvalSize: Adjusts up from US Size 6.5 to 8 An advantage as a gift ring is this ring has a adjustable band. This ring can fit a range of finger sizes as it is adjustable. You can see from the pictures that the band is not closed. It has an opening at the top, under the gem. This allows it to be opened and made to a larger size to make a comfortable fit. The band is strong. The design makes it a very comfortable ring.