Lab Created Alexandrite
*Due to subtle differences in each gemstone, all carat weights are approximations
Rounds
Round Brilliant
- 5mm: 0.60ct
- 6mm: 1.00ct
- 6.5mm: 1.30ct
- 7mm: 1.60ct
- 7.5mm: 2.00ct
- 8mm: 2.40ct
- 9mm: 3.40ct
- 10mm: 4.70ct
- 11mm: 6.25ct
- 12mm: 8.10ct
- 13mm: 10.30ct
- 14mm: 12.90ct
Stormlight
- 5mm: 0.60ct
- 6mm: 1.00ct
- 6.5mm: 1.25ct
- 7mm: 1.50ct
- 7.5mm: 1.90ct
- 8mm: 2.30ct
- 9mm: 3.30ct
- 10mm: 4.50ct
- 11mm: 6.00ct
- 12mm: 7.70ct
- 13mm: 9.80ct
- 14mm: 12.30ct
Old European Cut (Antique OEC)
- 5mm: 0.60ct
- 6mm: 1.00ct
- 6.5mm: 1.30ct
- 7mm: 1.60ct
- 7.5mm: 2.00ct
- 8mm: 2.40ct
- 9mm: 3.40ct
- 10mm: 4.70ct
- 11mm: 6.30ct
- 12mm: 8.15ct
- 13mm: 10.30ct
- 14mm: 12.90ct
Squares & Cushions
Void Reaver
- 5mm: 0.70ct
- 6mm: 1.20ct
- 7mm: 1.90ct
- 8mm: 2.85ct
- 9mm: 4.00ct
- 10mm: 5.50ct
- 11mm: 7.40ct
- 12mm: 9.60ct
- 13mm: 12.20ct
- 14mm: 15.25ct
Asscher
- 5mm: 0.80ct
- 6mm: 1.40ct
- 7mm: 2.20ct
- 8mm: 3.25ct
- 9mm: 4.60ct
- 10mm: 6.40ct
- 11mm: 8.50ct
- 12mm: 11.00ct
- 13mm: 13.90ct
- 14mm: 17.40ct
Princess Finch
- 5mm: 0.75ct
- 6mm: 1.30ct
- 7mm: 2.00ct
- 8mm: 3.10ct
- 9mm: 4.40ct
- 10mm: 6.00ct
- 11mm: 8.00ct
- 12mm: 10.40ct
- 13mm: 13.20ct
- 14mm: 16.50ct
Nova
- 5mm: 0.65ct
- 6mm: 1.10ct
- 7mm: 1.80ct
- 8mm: 2.70ct
- 9mm: 3.80ct
- 10mm: 5.20ct
- 11mm: 7.00ct
- 12mm: 9.00ct
- 13mm: 11.50ct
- 14mm: 14.30ct
Old Mine Cut
- 5mm: 0.65ct
- 6mm: 1.15ct
- 7mm: 1.85ct
- 8mm: 2.80ct
- 9mm: 3.95ct
- 10mm: 5.45ct
- 11mm: 7.25ct
- 12mm: 9.40ct
- 13mm: 11.95ct
- 14mm: 14.90ct
Hexagons & Octagon
Cosmos
- 5mm: 0.75ct
- 6mm: 1.30ct
- 7mm: 2.00ct
- 8mm: 3.10ct
- 9mm: 4.40ct
- 10mm: 6.00ct
- 11mm: 8.00ct
- 12mm: 10.40ct
- 13mm: 13.20ct
- 14mm: 16.50ct
Step Cut Hex
- 5mm: 0.65ct
- 6mm: 1.10ct
- 7mm: 1.75ct
- 8mm: 2.65ct
- 9mm: 3.75ct
- 10mm: 5.15ct
- 11mm: 6.85ct
- 12mm: 8.90ct
- 13mm: 11.30ct
- 14mm: 14.10ct
Hidden Princess
- 5mm: 0.60ct
- 6mm: 1.00ct
- 7mm: 1.55ct
- 8mm: 2.30ct
- 9mm: 3.30ct
- 10mm: 4.50ct
- 11mm: 6.00ct
- 12mm: 7.75ct
- 13mm: 9.90ct
- 14mm: 12.30ct
Ovals
Omni Oval
- 7x5mm: 1.00ct
- 8x6mm: 1.65ct
- 9x7mm: 2.40ct
- 10x8mm: 3.60ct
- 11x8mm: 4.00ct
- 11x9mm: 4.70ct
- 12x9mm: 5.60ct
- 12x10mm: 6.00ct
- 14x10mm: 8.20ct
Antique Oval
- 7x5mm: 0.80ct
- 8x6mm: 1.70ct
- 9x7mm: 2.60ct
- 10x8mm: 3.75ct
- 11x8mm: 4.40ct
- 11x9mm: 5.00ct
- 12x9mm: 5.80ct
- 12x10mm: 6.50ct
- 14x10mm: 8.40ct
Rectangles
Framboise
- 7x5mm: 1.25ct
- 8x5mm: 1.70ct
- 8x6mm: 2.10ct
- 9x6mm: 2.50ct
- 9x7mm: 2.90ct
- 10x8mm: 4.20ct
- 11x8mm: 4.80ct
- 11x9mm: 5.70ct
- 12x9mm: 7.00ct
- 12x10mm: 7.60ct
- 14x10mm: 10.00ct
- 16x12mm: 16.60ct
Step Cut
- 7x5mm: 1.20ct
- 8x5mm: 1.30ct
- 8x6mm: 1.70ct
- 9x6mm: 2.15ct
- 9x7mm: 2.75ct
- 10x8mm: 4.00ct
- 11x8mm: 4.70ct
- 11x9mm: 5.40ct
- 12x9mm: 6.60ct
- 12x10mm: 7.10ct
- 14x10mm: 9.60ct
- 16x12mm: 15.75ct
Supernova
- 7x5mm: 1.00ct
- 7x6mm: 1.30ct
- 8x6mm: 1.75ct
- 9x7mm: 2.60ct
- 10x8mm: 3.80ct
- 11x8mm: 4.40ct
- 11x9mm: 5.10ct
- 12x9mm: 5.85ct
- 14x10mm: 8.40ct
Elongated Cushion (Antique EOMC)
- 7x5mm: 1.00ct
- 8x6mm: 1.70ct
- 9x7mm: 2.50ct
- 10x8mm: 3.50ct
- 11x8mm: 4.00ct
- 11x9mm: 4.90ct
- 12x9mm: 5.70ct
- 14x10mm: 8.10ct
Pears
Eden
- 7x5mm: 0.75ct
- 8x5mm: 0.90ct
- 8x6mm: 1.25ct
- 9x6mm: 1.40ct
- 9x7mm: 1.90ct
- 10x7mm: 2.00ct
- 10x8mm: 2.60ct
- 12x8mm: 3.30ct
- 13x9mm: 4.50ct
- 14x10mm: 5.60ct
Antique Pear
- 7x5mm: 0.70ct
- 7x6mm: 1.00ct
- 8x6mm: 1.20ct
- 9x6mm: 1.50ct
- 9x7mm: 1.75ct
- 10x7mm: 2.10ct
- 10x8mm: 2.50ct
- 12x8mm: 3.40ct
- 13x9mm: 4.65ct
- 14x10mm: 5.60ct
Marquise
Baroness
- 10x5mm: 1.00ct
- 12x6mm: 1.80ct
- 14x7mm: 2.80ct
- 16x8mm: 4.25ct
Dutch Marquise
- 10x5mm: 1.50ct
- 11x6mm: 2.20ct
- 12x6mm: 2.55ct
- 12x7mm: 3.20ct
- 14x7mm: 4.00ct
- 14x8mm: 4.90ct
Diamond Kite
- 10x5mm: 0.70ct
- 12x6mm: 1.15ct
- 14x7mm: 1.80ct
Kite
- 8x5mm: 0.60ct
- 10x6mm: 1.00ct
- 12x6mm: 1.25ct
- 12x7mm: 1.70ct
- 14x8mm: 2.75ct
- 16x8mm: 3.00ct
Trillions
Tachyon (Rounded)
- 5mm: 0.45ct
- 6mm: 0.75ct
- 7mm: 1.20ct
- 8mm: 1.75ct
- 9mm: 2.50ct
- 10mm: 3.45ct
- 11mm: 4.60ct
- 12mm: 6.00ct
- 13mm: 7.60ct
- 14mm: 9.45ct
Trilliant (Straight Edged)
- 5mm: 0.50ct
- 6mm: 0.80ct
- 7mm: 1.30ct
- 8mm: 2.00ct
- 9mm: 2.75ct
- 10mm: 3.75ct
- 11mm: 5.00ct
- 12mm: 6.50ct
- 13mm: 8.25ct
- 14mm: 10.30ct
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