Eighteen karat (18K) yellow gold natural multi color unheated sapphire corundum and diamond necklace. Oval brilliant, heart brilliant, and octagonal step cut natural multi color unheated sapphire corundum gemstones are mounted in the center of the necklace. Round brilliant cut diamonds accent the necklace on top of the center gemstones. The necklace has a gross weight of 25.9 Grams. Reference: GIA Sapphire Report 6237280798 #NATURAL GEMSTONE# GEMSTONE: Sapphire Corundum NATURE: Natural (No Indications of Heating) SHAPE: Oval/Heart/Octagonal Step, Faceted Cut WEIGHT: 11.05 carat total (17pcs.) DIMENSIONS: 7.0 x 3.1mm CLARITY: Type 2 COLOR: Multi Color (5/5) SYMMETRY: Excellent COLOR INTENSITY: Intense TRANSPARENCY: Transparent TONE: Light-Dark #NATURAL DIAMOND# SHAPE: Round Brilliant Cut WEIGHT: 4.52 carat total (177pcs.) DIMENSIONS: 2.0 x 1.8mm AVERAGE CLARITY: SI1-SI2 AVERAGE COLOR: G-H SYMMETRY: Excellent POLISH: Excellent #METAL# METAL: Gold PURITY: 18K (750) COLOR: Yellow CONDITION: Excellent FINISH: High Polish Size: 17