Edwardian 4.5ct Ceylon Sapphire Solitaire Ring Size:4.25 and demand for Egyptian-themed pieces

and demand for Egyptian-themed pieces such as this one boomed

The back has possibly been repaired in the distant past

but it's an interesting quirk

with abstract foliate detailing

Anyone out there know any more rational info on the nomenclature

Edwardian 4.5ct Ceylon Sapphire Solitaire Ring Size:4.25 and demand for Egyptian-themed piecesDATE: Edwardian, c. 1910 An exceptional 4. 5 carat Ceylon sapphire is the centrepiece of this Edwardian solitaire ring. The stone is a native cut, displaying an excellent light cornflower blue colour and secured in a simple prong setting. Crafted in 15 karat gold throughout. STONES Natural cornflower blue sapphire. 4. 50ct (calculated weight) MEASUREMENTS Head: 12. 1mm diameter Width of band: 2. 5mm Rise off finger: 5. 1mm WEIGHT 3. 8g MARKS No marks