Overview Specs Documentation Make a bold and beautiful statement with the Concho Sterling Silver Turquoise Ring, part of our exclusive Lana Lopez Collection. Featuring 3.78 carats of natural Arizona turquoise, each stone displays unique color variations ranging from vibrant sky blues to rich, earthy greens—making every ring one-of-a-kind. Inspired by classic Southwestern concho styles, this handcrafted piece blends tradition with modern artistry. .925 Sterling Silver Size Varies 3.7mm Band Width 20mmNatural Arizona Turquoise Do you need a different size? If you need a smaller size, we offer a complimentary resize. If you need a larger size, please inquire with size via [email protected] for a quote. When you're ready for checkout simply specify your desired size. We will resize the ring and ship within 7-10 business days. BIRTHSTONES & ANNIVERSARIES Turquoise is the traditional birthstone for the month of December and the gem of the 11th wedding anniversary. MINERAL: Turquoise CHEMISTRY: CuAl6(PO4)4 (OH)8.5H2O COLOR: Blue to green REFRACTIVE INDEX: 1.610 to 1.650 BIREFRINGENCE: Not detectable SPECIFIC GRAVITY: 2.76 (+0.14, -0.36) MOHS HARDNESS: 5 to 6 If you need additional information regarding any of our gems or stones please contact us: [email protected].