Czochralski Gems
- Tested by a PhD geologist
- Next-day UK dispatch
- 5.0/5.0 stars from 298 reviews
Discover Gemdrop® Czochralski-grown gems: premium lab crystals grown by carefully pulling a single crystal from molten material to create highly ordered, high-purity crystal lattices, then selected for exceptional colour, clarity and crystal quality and precision cut to maximise light transmission, brilliance and optical performance.
Every gem is scientifically assessed in the UK and recorded through our verification process.
Big Gems. Ethical Sparkle. Scientifically Verified.
![~1.3 ct Purple–Green Colour Change Alexandrite [chrysoberyl] | Drop Cut | 6x8 mm | Gemdrop® Verified](http://gemdrop.io/cdn/shop/files/037F247D-2733-4BE0-A9DB-6FAE3E029009.jpg?v=1788622834&width=3840)
![~1.3 ct Purple–Green Colour Change Alexandrite [chrysoberyl] | Drop Cut | 6x8 mm | Gemdrop® Verified](http://gemdrop.io/cdn/shop/files/CD10A578-B235-40ED-8EB7-7B3D28FD27B7.jpg?v=1788621165&width=3840)
![~1.3 ct Purple–Green Colour Change Alexandrite [chrysoberyl] | Drop Cut | 6x8 mm | Gemdrop® Verified](http://gemdrop.io/cdn/shop/files/974ED2E4-751C-44B5-855E-C823A49DC0EF.jpg?v=1788621165&width=3840)
![~1.3 ct Purple–Green Colour Change Alexandrite [chrysoberyl] | Drop Cut | 6x8 mm | Gemdrop® Verified](http://gemdrop.io/cdn/shop/files/D4405731-0003-485A-A7C8-20B8B0BC23E4.jpg?v=1788621165&width=3840)
![~1.3 ct Purple–Green Colour Change Alexandrite [chrysoberyl] | Drop Cut | 6x8 mm | Gemdrop® Verified](http://gemdrop.io/cdn/shop/files/LA_Guarantee_9ff4f5d0-d4f1-4b40-82c9-76ff36e4e2b3.png?v=1784294825&width=3840)
![~1.3 ct Purple–Green Colour Change Alexandrite [chrysoberyl] | Drop Cut | 6x8 mm | Gemdrop® Verified](http://gemdrop.io/cdn/shop/files/1DAA6504-871E-4542-90DE-395C5EC62855.jpg?v=1788620753&width=3840)
![~1.3 ct Purple–Green Colour Change Alexandrite [chrysoberyl] | Drop Cut | 6x8 mm | Gemdrop® Verified](http://gemdrop.io/cdn/shop/files/2A00F51C-B629-4913-91A1-77EB230BFD5E.jpg?v=1788620803&width=3840)
![~2 ct Green-Purple Colour Change Alexandrite [chrysoberyl] | Cushion Cut | 7x7 mm | Gemdrop® Verified](http://gemdrop.io/cdn/shop/files/9C87D910-FDB6-4F17-A268-300678E75097.jpg?v=1787421346&width=3840)
![~2 ct Green-Purple Colour Change Alexandrite [chrysoberyl] | Cushion Cut | 7x7 mm | Gemdrop® Verified](http://gemdrop.io/cdn/shop/files/preview_images/e3a6d72833b24bb1983ca23dc0915c88.thumbnail.0000000000.jpg?v=1787421418&width=3840)
![~2 ct Green-Purple Colour Change Alexandrite [chrysoberyl] | Cushion Cut | 7x7 mm | Gemdrop® Verified](http://gemdrop.io/cdn/shop/files/8545984B-DA7A-46B7-A531-271ADE2E40C3.jpg?v=1787421348&width=3840)
![~2 ct Green-Purple Colour Change Alexandrite [chrysoberyl] | Cushion Cut | 7x7 mm | Gemdrop® Verified](http://gemdrop.io/cdn/shop/files/060E4BE5-C96A-4D19-B2DF-0AF12514D462.jpg?v=1787421347&width=3840)
