Starlit gleam necklaces -Hot Pink Oval Cut Sterling Silver Pendant on Sterling Silver Chain Necklace - 18 + 2"

Sterling silver pendant set with an unidentified hot pink oval cut stone (possibly glass), set on a sterling silver box link chain necklace. 

Pendant

18x10mm

2.2g

Marked "dp 925"

Chain

18 inches long with a 2 inch extension chain

3.1g

Marked "925 dp"