Hand holding a premium Aetherium Alexandrite crystal, showing intense purple color and translucent body. Synthetic alexandrite rough ideal for gem cutting, lapidary, and faceting. Captures rich color zoning and internal structure for high-yield stone cutters.

Uncut Alexandrite Sapphire: 75gr - Uncut Gem Rough for Faceting & Cabbing

$469.00
$469.00
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Hand holding a premium Aetherium Alexandrite crystal, showing intense purple color and translucent body. Synthetic alexandrite rough ideal for gem cutting, lapidary, and faceting. Captures rich color zoning and internal structure for high-yield stone cutters.
  • Hand holding a premium Aetherium Alexandrite crystal, showing intense purple color and translucent body. Synthetic alexandrite rough ideal for gem cutting, lapidary, and faceting. Captures rich color zoning and internal structure for high-yield stone cutters.
  • Alexandrite color change reference chart showing transformation from emerald green under daylight to red-purple under incandescent light. Educational gemstone color shift visual for understanding true alexandrite behavior in faceted or rough form.
  • Comparison of Aetherium Alexandrite vs mass-market synthetic boules showing superior clarity, richer tone, and cleaner crystalline density. Premium color-change rough for gem faceting and precision lapidary work, photographed under mixed lighting.
  • Aetherium Alexandrite crystal with deep violet body color and tapered shape, demonstrating exceptional hue consistency and saturation. Synthetic color-change gemstone rough suitable for high-end jewelry design and precision gem cutting.
  • Faceted Aetherium Alexandrite gemstone on polishing sponge, showing bright pink-violet brilliance and sharp facet definition. Cuts clean, polishes easily—Mohs hardness 9. Perfect example of Aetherium’s dense lab-grown alexandrite for professional faceters.
  • Emerald-cut Aetherium Alexandrite resting on hand, displaying intense color shift from violet-blue to pinkish tones. High-clarity synthetic alexandrite gemstone for fine jewelry or collector display, precision-cut from Aetherium rough material.
  • Large uncut Aetherium Alexandrite crystal next to a dime and quarter for scale, highlighting vivid purple transition and smooth boule surface. Ideal faceting rough for jewelers, lapidaries, and gemstone collectors seeking premium synthetic alexandrite stock.
  • Hand holding a premium Aetherium Alexandrite crystal, showing intense purple color and translucent body. Synthetic alexandrite rough ideal for gem cutting, lapidary, and faceting. Captures rich color zoning and internal structure for high-yield stone cutters.
  • Alexandrite color change reference chart showing transformation from emerald green under daylight to red-purple under incandescent light. Educational gemstone color shift visual for understanding true alexandrite behavior in faceted or rough form.
  • Comparison of Aetherium Alexandrite vs mass-market synthetic boules showing superior clarity, richer tone, and cleaner crystalline density. Premium color-change rough for gem faceting and precision lapidary work, photographed under mixed lighting.
  • Aetherium Alexandrite crystal with deep violet body color and tapered shape, demonstrating exceptional hue consistency and saturation. Synthetic color-change gemstone rough suitable for high-end jewelry design and precision gem cutting.
  • Faceted Aetherium Alexandrite gemstone on polishing sponge, showing bright pink-violet brilliance and sharp facet definition. Cuts clean, polishes easily—Mohs hardness 9. Perfect example of Aetherium’s dense lab-grown alexandrite for professional faceters.
  • Emerald-cut Aetherium Alexandrite resting on hand, displaying intense color shift from violet-blue to pinkish tones. High-clarity synthetic alexandrite gemstone for fine jewelry or collector display, precision-cut from Aetherium rough material.
  • Large uncut Aetherium Alexandrite crystal next to a dime and quarter for scale, highlighting vivid purple transition and smooth boule surface. Ideal faceting rough for jewelers, lapidaries, and gemstone collectors seeking premium synthetic alexandrite stock.
Uncut Alexandrite Sapphire: 75gr - Uncut Gem Rough for Faceting & Cabbing

Uncut Alexandrite Sapphire: 75gr - Uncut Gem Rough for Faceting & Cabbing

$469.00
$469.00
Shipping calculated at checkout.

In stock: 1-3 business days

A Collector’s Stone. A Cutter’s Challenge.
Alexandrite is legendary for its color-change — Natural crystals of this size are almost never seen.
This laboratory-grown color-change crystal captures the same optical magic, refined through modern growth methods that produce a dense, clean, and responsive material built for precision work.

Ideal for faceting, cabbing, or optical experimentation, it offers crisp polish response and controlled color transition. Under daylight, the stone reveals vivid violet; under warmer light, it blooms toward greenish blue. The lattice behavior mirrors the qualities that made natural alexandrite one of history’s most coveted gemstones — now reborn in a stable and workable form.

For the professional cutter, it’s a study in control and finish. For the collector, it’s a vivid centerpiece that embodies rarity, transformation, and the artistry of engineered light.

Weight: 75 g
Ships from the Pacific Northwest, USA.

Every order supports Aetherium Innovations and our mission to develop tools and technologies that lower costs and learning barriers in the skilled art trades.

Bench-tested

Modular by design

Direct builder support

Pacific Northwest built

Build & Support

Aetherium products are developed around real workshop and field workflows. If you need dimensions, compatibility guidance, replacement components, or help adapting this product to your setup, contact the workshop before ordering.
Shipping & Returns

The production estimate shown near the purchase button is the current working lead time for this item. Shipping is calculated at checkout.

If an order arrives damaged, does not match what you received approval for, or you need to request a return, contact us with the order number and photos when applicable. We will review the situation directly and help determine the right next step.

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Why Aetherium

Built like someone has to use it.

We design around real workflows, direct feedback, and the belief that a good tool should expand what its owner can do.

Bench-testedDeveloped around real workshop problems, not trend forecasts.
Small-batchProduced deliberately with clear lead times and direct accountability.
AdaptableModular, repair-minded systems designed to evolve with the work.
Direct supportCompatibility question? You can talk to the person who built it.
Unsure whether this fits your setup?Send the workshop a photo or a short description before you order.
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