The Oval Diamond Knife-Edge Solitaire Engagement Ring from Fascinating Diamonds showcases a brilliant oval-cut diamond in a secure double prong setting, drawing attention to the center stone’s captivating sparkle. Customize your oval cut diamond knife edge ring by choosing the center stone type, center stone shape and cut, metal, carat weight, clarity, color, cut grade, and size. Design a ring that tells your story. You may choose from our preset rings with specified carat weights, or click on Full Inventory to explore our complete selection of loose diamonds and create a custom-designed ring. Center Stone Types: The diamond options for the oval shaped diamond knife edge engagement ring include natural and lab-grown diamonds. Metals: The metal options available for the modern knife edge oval solitaire diamond ring are 14K and 18K white, yellow, black, rose gold and platinum. Center Stone Shapes & Cuts: The center stone for the minimalist oval diamond solitaire ring with a knife-edge design is available in a variety of shapes and cuts, including Asscher, Cushion, Emerald, Heart, Marquise, Pear, Princess, Radiant, and Round. Carats: The carat options for the center stone range from 0.50 to 3.00 carats for natural diamonds and 0.50 to 8.00 carats for lab-grown diamonds. Clarity Grades: The preset ring comes with VS1 clarity grade, but you can also customize it by choosing from FL clarity to I1 Clarity when you click full inventory to see the entire stock. Color Grades: The preset ring comes with F/G color grade,, but you can also customize it by choosing from D to M color when you click full inventory to see the entire stock. Cut Grades: Choose from Good, Very Good, Excellent and Ideal cut grades for the center stone. Ring Sizes: The ring is available in US standard sizes ranging from 3 to 13. Receive your merchandise within 7-10 business days via FedEx or UPS, and Fascinating Diamonds only ships out signature required packages maintaining complete security.