December's birthstones offer three ways to fight the winter blues: tanzanite, zircon, and turquoise—all of them are best known for beautiful shades of blue.
With Accredited Gem Lab
Offers AGS Labs Diamond Grading Reports
AGS Certified Members:
- Jeffrey Osta, CGA
- Nagi Osta, CGA
Address: 828 High Ridge Rd, Stamford, CT 06905-1925
Phone: (203) 964-0551