The stone is 1.8 x 1.3 cm The size is 18.80 mm US Size 8 7/8 UK Size R 1/2 The cabochon was handcut out of a natural rough piece of Ametrine crystal , it was then polished to perfection to reveal it's beauty. Electroformed Jewelry is created using chemistry and electricity, This Electroformed copper ring is one of a kind and unique in all ways, you will recieve the Electroformed copper ring from the picture. I can make similar rings in various sizes. There is a video availabbe on my facebook page I cut gems for over 5 years now and i made an sold many pendants since then, every gem i cut is unique in all ways and a beautifull process to find the beauty that is hidden in the stone. Check out my instagram page to see my latest work in progress. You will recieve the exact ring from the pictures Let your own heart decide what this Ametrine ring can give you, or even better what you can bring each other. For it is an exchange. Just open you heart and imagine how it will be.