Antique Sapphire & Diamond Locket

Measuring approx. 1 3/8 x 1 inch, with an Old European cut diamond weighing approx. 0.15 and a round faceted sapphire measuring approx. 3mm, each set within and engraved star, fashioned in platinum & 14k rose gold. Suspended from a 17 inch chain fashioned in platinum & 14k yellow gold.