If you have any different choice of gemstone for this ring , please let us know. We will try to accommodate your desired gemstone. This is Christian Buschi. I am a specialist in making jewelry in artistic designs. If you want me to prepare rings set of your thoughts, share your vision and I'll shape that vision to reality. Free engraving is available on this product SKU Number - RG8510 Material - 925 Sterling silver Gemstone - Natural Black Onyx Gemstone Gemstone Shape - Marquise Gemstone Size - 10 X 5 mm White Moissanite Accents Metal stamp - 925 Plating Type - 14K Rose Gold Vermeil Occasions - Engagement , wedding , birthday , anniversary etc. We can make this particular ring set with all types of semiprecious and precious gemstones [as per customer request] We offer free domestic shipping. Shipping lead-time: 3-4 business days within the USA ** Made To Order: Please allow 7-14 business days for creating this beautiful piece of art for you. This unique design ring set will be made specifically for you when ordered. We are happy to offer you these rare designs, made just for you <3 <3 <3