Ruby · Facet Rough · 287 ct · Synthetic · #5 Ruby Red

This premium Flame Fusion synthetic ruby offers an exceptional opportunity for gem cutters seeking high-quality faceting material with outstanding consistency and vibrant color. Produced by Thai Tech Sapphire, the crystal displays a rich ruby-red hue, excellent transparency, and an impressive size that allows for numerous cutting projects from a single piece.

Weighing approximately 287 carats (57.4 g), this synthetic corundum boule provides abundant material for precision faceting. With an estimated 99% facetable volume, nearly the entire crystal can be utilized, making it an economical and highly efficient choice for cutters of all experience levels. Whether creating classic oval, cushion, emerald, round brilliant, or custom faceting designs, the material offers exceptional flexibility while maintaining excellent weight retention.

Manufactured using the Flame Fusion process, this synthetic corundum is eye clean and remarkably homogeneous, making it ideal for precision cutting. The vivid ruby-red color becomes especially striking once the stone is properly oriented and faceted, producing bright internal reflections and excellent light return. The first image, illuminated with strong transmitted light, illustrates the color that can be expected in the finished gemstones after cutting and polishing.

Flame Fusion ruby has become one of the most popular materials for faceting because it combines the hardness of corundum with consistent optical quality and reliable cutting performance. It is equally suitable for beginners wishing to practice precision faceting and experienced cutters producing high-quality gemstones for custom jewelry.

With its exceptional size, vibrant color, and outstanding faceting potential, this crystal offers the opportunity to produce numerous precision-cut rubies from a single piece of rough.

Specifications

• Stone Type: Synthetic Corundum
• Growth Method: Flame Fusion
• Manufacturer: Thai Tech Sapphire
• Weight: 57.4 g / 287 ct
• Dimensions: 93.0 × 22.4 × 11.2 mm
• Clarity: Eye Clean
• Color: Ruby Red
• Transparency: Transparent Rough
• Type: Crystal
• Facet Potential: Facet Grade
• Facetable Volume: ~99%
• Estimated Yield: ~40%