GIA Certified 2.43 Ct Untreated Bi Color Sapphire Diamond 18k White Gold Ring

GIA Certified Deep Blue Untreated Australian Sapphire & Diamond 18k White Gold Three Stone Ring. Rare GIA Certified 1.31 Carat Australian sapphire with a stunning deep blue colour. ...

Natural Untreated Bi Colour Sapphire & Diamond 18k White Gold Pendant Necklace. Rare GIA Certified 1.67 carat natural untreated sapphire with a unique blue - yellow bi colour effect. Very rare and stunning to see, similarly seen in ametrine and watermelon tourmaline but much rarer in sapphires, particularly with such distinct colour variation such as in this stone. Parti and Bi colour sapphires are proving incredibly popular lately and the price is only going one way for high end stones such as this. A unique and fascinating stone showing a rare phenomena in sapphires. Confirmed as natural and untreated/unheated on GIA report. The sapphire also has excellent clarity, a very clean stone. With an excellent oval cut displaying the colour split beautifully. The sapphire is set in a fine 18k white gold pendant with 3 round brilliant cut natural diamond accents. 2mm in size G/H colour and Si1 clarity. Fine quality piece with a unique fully certified untreated stone...

IGI Certified Natural Bi Colour Untreated Australian Sapphire Platinum Three Stone Ring. Rare IGI Certified 1.11 carat Australian sapphire with a stunning greenish blue - yellow bi ...

GIA Certified Natural Untreated Cushion Cut Blue Sapphire & Diamond 18k Gold Three Stone Ring. 1.70 Total Carat Weight. 1.48 Carat fine colour deep blue cushion cut sapphire centre...