A PAIR OF COLOMBIAN EMERALD AND DIAMOND DAY AND NIGHT EARRINGS in 18ct white gold, each of articulated design, set with clusters of round cut, marquise cut and baguette cut diamonds, suspending detachable drops set with step cut emeralds of 1.48 and 1.42 carats, within borders of further marquise cut and round cut diamonds, the diamonds all totalling 8.0-10.0 carats, stamped 750, full length 5.8cm, half length 3.3cm, 21.7g. The gemmological properties of these emeralds have been analysed and determined to be in line with those of emeralds of Colombian origin, with indications of insignificant clarity enhancement.