ALEXANDRITE
MIN 7.70CT 12X12MM PRINCESS CUT RUSSIAN LAB ALEXANDRITE
minimum 7.70ct 12x12mm princess cut russian lab alexandrite. this is a color change stone.
MIN 6.00CT 12X12MM SQUARE RUSSIAN LAB ALEXANDRITE
min 6.00ct 12x12mm square russian lab alexandrite. this man-made color change gemstone changes from bluish green in daylight to purplish red in incandescent light. it has essentially the same chemical composition and crystal structure as natural alexandrite.
MIN 3.00CTW 7MM ROUND RUSSIAN LAB CREATED ALEXANDRITE MATCHED PAIR
Minimum 3.00ctw 7mm round Russian lab created alexandrite matched pair.
MIN 1.75CT 8X6MM RADIANT CUT RUSSIAN LAB CREATED ALEXANDRITE
Min 1.75ct 8x6mm radiant cut Russian lab created alexandrite.
MIN 2.50CT 10X8MM OVAL LAB ALEXANDRITE
minimum 2.50ct 10x8mm oval russian lab alexandrite. this man-made color change gemstone changes from bluish green in daylight to purplish red in incandescent light. it has essentially the same chemical composition and crystal structure as natural alexandrite.
MIN 2.00CT 8MM ROUND LAB CREATED ALEXANDRITE
Minimum 2.00ct 8mm round concave cut lab created alexandrite.
MIN 1.75CT 8X8MM TRILLION RUSSIAN LAB ALEXANDRITE
Minimum 1.75ct 8x8mm trillion Russian lab alexandrite.
MINIMUM 1.25CT 8X6MM OVAL LAB CREATED ALEXANDRITE
Minimum 1.25ct 8x6mm oval Russian lab created alexandrite.