• Hardness

  8.5.

• Occurrence

  United States, Russia (Ural Mountains), Sri Lanka (Ceylon), Zimbabwe (Rhodesia), Brazil, Madagascar, Italy.

• Appearance

  Named after the Russian Czar, Alexander II, alexandrite is the gemstone most noted for it's color changing abilities. Colors are greenish outdoors, and reddish to violet under artificial light. Alexandrite is extremely rare. Look out for alexandrite which is too clean, or at a price which seems too low, it's probably synthetic. Natural alexandrite rarely exceeds 2 carats. Can be confused with synthetic alexandrite, or synthetic color change corundum. Pearl, moonstone and alexandrite are the birthstones of the month of June. Photographs have been retouched to show the approximate color change from indoors to outdoors.

• Enhancements

  Alexandrite is not enhanced.

  More information on gemstone enhancements.

• Alexandrite

• Calibrated Alexandrite

  Specify size, shape and quality when ordering. Prices are subject to change without notice. Actual carat weight may vary from the average carat weight listed.

  • AAA Deeper green to bluish green, nearly eye-clean, bright to high color change.
  • AA Green to greenish blue, slightly included, moderate to medium color change.
  • A Light green to greenish blue, included, weak to low color change.

  Alexandrite		Quality	AAA	AA	A
  Shape	Size	Avg. Weight	Price Each
  Round	2mm	0.04	$ 109	$ 80	$ 73
  	2.25mm	0.04	$ 136	$ 80	$ 73
  	2.5mm	0.07	$ 217	$ 140	$ 109
  	2.75mm	0.08	$ 244	$ 160	$ 146
  	3mm	0.11	$ 347	$ 239	$ 219
  	3.25mm	0.13	$ 405	$ 306	$ 259
  	3.5mm	0.17	$ 561	$ 407	$ 371
  	3.75mm	0.23	$ 759	$ 508	$ 502
  	4mm	0.25	$ 1,227	$ 860	$ 758
  	4.25mm	0.31		$ 1,067	$ 970
  Oval	3x2.5mm	0.11		$ 119	$ 99
  	3.5x2.5mm	0.12		$ 130	$ 108
  	3.5x3mm	0.13			$ 117
  	4x3mm	0.19		$ 247	$ 184
  	4.5x3mm	0.21	$ 365	$ 290	$ 265
  	4.5x3.5mm	0.25	$ 460	$ 385	$ 328
  	5x3mm	0.27	$ 505	$ 406	$ 273
  	5x3.5mm	0.30	$ 561	$ 484	$ 403
  	5x4mm	0.35	$ 736	$ 633	$ 543
  	5.5x4mm	0.42	$ 915	$ 781	$ 636
  	6x4mm	0.50		$ 1,190	$ 990
  Straight Baguette	4x3mm	0.23	$ 588	$ 564
  	4x3.5mm	0.33	$ 1,142
  	4.5x3.5mm	0.35	$ 1,384	$ 1,092	$ 881
  	5x3.5mm	0.35	$ 1,665		$ 1,092
  	5x4mm	0.45	$ 2,214	$ 2,122	$ 1,680
  Princess	2.25mm	0.06	$ 146	$ 139	$ 78
  	2.5mm	0.11	$ 188	$ 229	$ 169
  	2.75mm	0.14	$ 303	$ 260	$ 202
  	3mm	0.15	$ 360	$ 364	$ 276
  	3.25mm	0.20	$ 518	$ 454
  	3.5mm	0.27	$ 794	$ 613
  	3.75mm	0.32	$ 1,015	$ 803
  	4mm	0.39	$ 1,472	$ 1,194	$ 980
  	4.25mm	0.43		$ 2,075	$ 1,488
  	4.5mm	0.46	$ 2,516
  Cabochon, Round	2.5mm	0.09		$ 81
  	3mm	0.12		$ 108
  	3.5mm	0.22		$ 225
  	4mm	0.37		$ 400
  	4.5mm	0.51		$ 796
  Cabochon, Oval	3x2.5mm	0.12		$ 192
  	3.5x2.5mm	0.15		$ 240
  	3.5x3mm	0.19		$ 304
  	4x3mm	0.18		$ 288

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Last updated December 7, 2007
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