~3.5ct Purple–Red-Blue Colour Change Corundum Alexandrite | Oval Cut | 8 × 10 mm | Gemdrop® Verified

Name: ~3.5ct Purple–Red-Blue Colour Change Corundum Alexandrite | Oval Cut | 8 × 10 mm | Gemdrop® Verified
Brand: Gemdrop
Price: 46.00 GBP
Availability: InStock

£46.00

Experience the striking beauty of this ~3.5 ct (8 × 10 mm) Oval Cut lab-grown Colour Change Corundum Alexandrite, showing a fascinating shift between purple, red, and blue tones under different lighting conditions.

Precision cut for excellent brilliance, this gem combines vivid color, strong visual presence, and one of the most captivating optical effects available in laboratory-grown corundum.

This gem belongs to the corundum mineral family (Al₂O₃), the same mineral species as ruby and sapphire. Although it displays an alexandrite-like color change, it is not chrysoberyl alexandrite. At Gemdrop®, we clearly distinguish the underlying gem material from its optical appearance so you know exactly what you are buying.

Every Gemdrop® gem is individually assessed and recorded, providing transparency and confidence in exactly what you are purchasing.

REAL CORUNDUM. CREATED THROUGH SCIENCE.

This gem was grown using the Czochralski crystal growth process, producing a high-quality single crystal with excellent clarity, color consistency, and optical performance.

Through carefully controlled chemistry, trace elements within the crystal create a dramatic purple–red–blue color change, giving the gem a unique and lively appearance that changes with the lighting environment.

The result is genuine laboratory-grown corundum — not glass, not cubic zirconia, and not chrysoberyl — with the physical, chemical, and optical properties expected of synthetic sapphire.

PURPLE–RED–BLUE COLOUR CHANGE

One of the most exciting features of this gem is its unusual color change.

Depending on the light source, it may show:

Purple tones
Reddish / red-violet tones
Blue tones

This shifting appearance gives the gem exceptional character and makes it especially attractive for collectors, gem lovers, and jewelry designers seeking something visually distinctive.

Because color-change gems respond strongly to the spectral character of the light around them, the exact balance of purple, red, and blue may vary depending on whether the gem is viewed in daylight, indoor lighting, or mixed lighting.

ELEGANT OVAL CUT

The Oval Cut is a timeless and versatile shape that offers excellent brilliance and a graceful, elongated appearance.

It showcases the gem’s color change beautifully while providing a substantial face-up look, making it an outstanding choice for:

Rings
Pendants
Earrings
Bespoke jewelry
Gem collections

At 8 × 10 mm and approximately 3.5 ct, this gem has impressive visual presence and is well suited as a center stone.

DURABLE AND JEWELRY-FRIENDLY

With a Mohs hardness of 9, corundum is one of the most durable gem materials used in jewelry.

Its combination of hardness, brilliance, and color makes lab-grown corundum an excellent choice for jewelry intended for regular wear.

GEMDROP® VERIFIED

Every Gemdrop® Verified gem is individually assessed and permanently recorded within the Gemdrop Verification Database.

Each record includes key gemological information such as identity, origin, growth method, dimensions, crystal system, and other relevant physical properties, providing long-term transparency and confidence in your purchase.