This sterling silver ring has an 28x14mm oval top has a blue turquoise stone that is 25x18mm. The decorative band is 4mm wide at the back. It weighs about 8 grams.The stone and band of each ring is different and unique. The photos that correspond to the size are photos of that ring. You will receive that exact ring. As always photos can alter the color of a stone depending on the light. It was purchased in New Mexico and is Navaho made. The makers initials are BKF. I am told that the turquoise came from the Competos mine.