Our Trio comes in a standard size of 7 for Ladies and 10 for Men. These rings are resizable. There is a resizing charge for sizes that are not standard. Message us for more details. For Stone and Metal Specifications, please look above at JEWELRY SPECIFICATIONS. This product is available in both yellow and white gold. Please specify when ordering. We offer a 4 Month Warranty on all our products. This covers manufacturer’s defects. This warranty DOES NOT cover misuse of product. We send out Appraisal Certificates for all our products for authenticity purposes. For any questions please contact our customer service