Men's 13mm Two Tone 14K Solid Yellow Gold Ring, Size 13. Naturally Formed Cubic Zirocinia with Guaranteed 14K Solid Yellow Gold; Authenticated with a 14K Stamp. Product Enclosed in Black Velvet Gift Box. US Size 13 (Available in US Sizes 8 to 13.5). Ships Same Day if Order Received by 2:00 PM Central USA; Free USPS First Class Shipping Includes Tracking. 30-Day, Hassle-Free, Full Money Back Guarantee; Contact Us to Process a Return and Receive a Pre-paid USPS Label with Tracking.