Shop › Sapphire SL - 47 Image 1 of 1 Sapphire SL - 47 $400.00 An oval .55ctw blue-green teal sapphire faceted in Sri Lanka with measurements of 4.15mm x 6.0mm. Purchase Added! An oval .55ctw blue-green teal sapphire faceted in Sri Lanka with measurements of 4.15mm x 6.0mm.