About Us "Gemstones by 10 Carats, LLC" (720)495-4433 Our Promise to You… 10 Carats, LLC upholds the highest standard of quality for each of our products while maintaining competitive prices. We guarantee the quality of gemstones and will go beyond your expectations. We take every step possible to ensure customer satisfaction from the mines to delivery. We strive for excellence and are committed to the highest quality standards in the industry. Thank you for shopping at 10 Carats, LLC. We invite you to call us at (720)495-4433 with any questions or concerns you may have. We appreciate the chance to serve you and to provide you a most satisfying shopping experience. We look forward to your business, now and again in the future. We always take special requests. Our rough diamonds comply with the Kimberly act of 2003.