This is a 18ct white and yellow gold cross pendant with a single brilliant-cut set diamond.
Metal: 18ct white & yellow gold.
Marks: London,
Stones: One brilliant-cut diamond with an approximate weight of 0.20ct. Color G/H, Clarity VS.
Measurements: 29mm x 21.1mm.
Weight: 6.53 grams.
Condition: Excellent.