Gretta is such a sweet ring, currently about a pinky finger size. 18ct yellow gold blue sapphire and diamond ring.
Weight: 4.04gram
Metal: 18ct yellow gold (stamped, K18)
Stones: Blue sapphire 0.97ct, diamonds TDW 0.03ct, (stamped, 0.03)
Size K .5.25
Manufacturing standard: Medium 
Get in touch if you'd like more details or to see the valuation.