29.04 GIA Step Oval Diamond Tennis Necklace 18kThis 18 karat yellow gold tennis necklace features 29. 04 total carats of GIA certified step oval cut diamonds set east west in collet settings. The H J color range means these diamonds face up nearly colorless to the eye, while the clarity grades from Internally Flawless to SI1 ensure each stone is eye clean with maximum brilliance. The step cut oval shape creates a hall of mirrors effect with elongated facets that produce flashes of light rather