18K Yellow Gold 1/2 Cttw Brown Diamond and Multi-Size Oval Yellow Sapphire Cluster Cascade Station Necklace (Brown Color, SI1-SI2 Clarity) - Adjustable up to 14" to 16"A perfect look for both day and night, this 18k yellow gold station necklace is illuminated by the sparkle of natural gemstones and diamonds in a clustered cascading waterfall design. A scattered arrangement of natural oval heat treated yellow sapphires show off from prong settings in sizes of 8 x 5mm, 5 X 5mm, and 4 x 4mm. Within this motif are nestled heat treated brown colored diamonds in prong settings of a total 1 2 cttw with an approximate SI1