Nanosital Swiss Blue Topaz, Dark #E257 Gemstone - Stone Set & Cast-In-Place - OVAL [EOL]

Product Description

This Swiss Blue Topaz Dark #E257 Nano gemstone is engineered for lost wax casting, cast-in-place stone setting, and other high-temperature jewellery manufacturing processes. Designed to be set directly into wax and cast in place, it performs reliably during investment casting, wax carving, and production jewellery workflows where deep colour intensity, durability, and precision are essential. Cut in an elegant oval shape, it offers smooth proportions, strong brilliance, and a rich dark Swiss blue tone.

Manufactured from advanced nano-crystalline material, this stone provides excellent thermal stability and a uniform internal structure, making it suitable for cast-in-place applications and repeatable production runs. Its intense dark blue colour remains stable throughout casting and finishing, delivering consistent, professional results for jewellers.

End of Line (EOL): This colour and cut combination has been discontinued and is available only while remaining stock lasts.

Key Features

• Gemstone Type: Swiss Blue Topaz Dark Nano
• Colour: Dark Swiss blue with strong saturation
• Shape: Oval cut
• Clarity: Exceptionally clean and uniform
• Cast-In-Place Suitable: Designed for lost wax and direct-to-cast stone setting
• High Thermal Stability: Suitable for jewellery casting when used correctly
• End of Line: Limited availability while stocks last

Applications

• Lost wax and investment casting
• Cast-in-place stone setting
• Wax carving and model making
• Rings, pendants, and classic jewellery designs
• Small production runs and one-off designs

This oval-cut Swiss Blue Topaz Dark #E257 Nano gemstone delivers reliable casting performance, intense colour depth, and refined brilliance, making it an excellent choice for jewellers using lost wax and cast-in-place techniques while remaining stock is available.