Dark Blue Sapphire #A475 (Nano Sital, Cast In Place Gemstones) - OVAL

Product Description

This Dark Blue Sapphire #A475 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 colour consistency, durability, and precision are essential. Cut in an elegant oval shape, it offers balanced proportions, strong brilliance, and a rich, deep blue appearance.

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

Key Features

• Gemstone Type: Dark Blue Sapphire Nano
• Colour: Deep dark 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
• Production Ready: Ideal for batch manufacturing and matched jewellery sets

Applications

• Lost wax and investment casting
• Cast-in-place stone setting
• Wax carving and model making
• Rings, pendants, and classic jewellery designs
• Production jewellery and repeatable designs

This oval-cut Dark Blue Sapphire #A475 Nano gemstone delivers dependable casting performance, consistent colour, and refined elegance, making it a reliable choice for professional jewellers using lost wax casting and cast-in-place techniques.