Vintage Sapphire & Diamond Three Stone White Gold Ring

Vintage Sapphire & Diamond Three Stone White Gold Ring 
Fine Art Deco style mid/late 20th c. sapphire and diamond ring 

Sapphire & diamonds 
Square step cut blue sapphire, measuring 4.67 x 4.6 x 3.25 mm. 
Estimated weight 0.70 metric carat, medium blue in colour, included with some colour zoning 
Pair of four claw set diamonds; one modern round brilliant cut measuring 3.83 x 3.8 x 2.22 mm, one early brilliant cut diamond measuring 3.79 x 3.77 x 2.09 mm. 
Estimated total weight 0.37 metric carat, colour assessed G-I, Clarity assessed VS 
Open rectangular plain polished border head. 
Bark textured white rectangular cross sectioned shoulders and side profile. 
White gold shank, testing as 14ct throughout 
Weight: 6.4 g 
Ring size: L 1/2 
Very good pre-owned condition. 
Independent Birmingham Assay Office valuation from 2018 for £1950