Tiffany & Co. Turquoise And Diamond Halo Ring In 18k Yellow Gold

Center of the ring features oval cabochon cut turquoise with total weight of approximately 4.00ct, surrounded by a halo of diamonds. Accented with carvings on the sides of the head.  
Inscribed: Tiffany&Co.

Diamonds:
14 old European cut diamonds 
Total weight: approximately 1.25ct
Color: H-J
Clarity: VS

Centerpiece measurements: 19mm by 15mm
Shank width: 4mm - 2.5mm
Size: 6.5

Weight: 6.6 grams

Ref# 310-000-2921