0.89ct Blue Sapphire, Oval Cut Kunzite and color-changing varieties do exist

and color-changing varieties do exist (often blue to purple)

46cts Weight (grams) 1

full color spectrum visible

5 to 4 on the Mohs hardness scale

0.89ct Blue Sapphire, Oval Cut Kunzite and color-changing varieties do existNatural Blue Sapphire Gemstone Stone Details Stone Variety Blue Sapphire, natural Stone Family Corundum Weight (carats) 0. 89cts Weight (grams) 0. 18g Dimensions (millimeters) 6. 80mm x 5. 67mm x 2. 55mm Dimensions (inches) 0. 25" x 0. 2" x 0. 1" Origin unspecific Shape faceted oval cut Material Grade AA Colors blue Treatments Enhancements likely heat Mohs Hardness 9 SKU Number #1068 Additional Notes eye visible inclusion under bezel facets along the