The Marquise Cut Diamond Entwined Celtic Knot Ring features a graceful marquise cut center diamond complemented by a handcrafted twisted Celtic gold shank, creating a timeless symbol of love and lasting devotion. Customize your Marquise Cut Celtic Love Knot Diamond Ring by choosing your preferred diamond type, center stone shape and cut, metal, preferred carat and ring size. Make your mark with a ring that tells your truth. You may choose from our Irish Celtic Marquise Cut Diamond Ring with specified carat weights, or click on Full Inventory to explore our complete selection of loose diamonds and create a custom-designed ring. Diamond Types: The diamond options for the Marquise Cut Diamond Irish Celtic Knot Ring include natural, and lab-grown diamonds. Center Stone Shapes & Cuts: The center stone is available in various diamond shapes and cuts, including Round Cut, Princess Cut, Oval Cut, Marquise Cut, Emerald Cut, and Cushion Cut for this Marquise Cut Celtic Knot Engagement Ring. Metals: The metal options available for the Marquise Cut Diamond Twisted Celtic Knot Ring are 14K and 18K black, white, yellow, and rose gold or Platinum. Carats: The center stone is available in 0.50 to 3.00 carats for natural diamonds and 0.50 to 8.00 carats for lab-grown diamonds. Clarity Grades: The Marquise Cut Diamond Split Shank Ring features a VS1 clarity lab-grown diamond, and you can customize it with clarity options ranging from FL to I1 by exploring the full inventory. Natural diamonds are available in SI1 clarity. Color Grades: The Marquise Cut Diamond Celtic Engagement Ring comes with an F/G color grade, but you can customize it with options ranging from D to M by exploring the full inventory. Natural diamonds are available in G/H color. Cut Grades: Choose from Excellent, Ideal, or Very Good cut grades for the center stone. Ring Sizes: The Marquise Cut Diamond Engagement Ring comes in 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.