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<https://www.simplysapphires.com/blue/ceylon-cushion-cut-blue-sapphire-1.64-cts-7.3x6.1x4.3mm>
<https://www.simplysapphires.com/blue/ceylon-cushion-cut-blue-sapphire-1.64-cts-7.3x6.1x4.3mm>