Lab Created Star Sapphire – Synthetic Star Sapphire Gemstones

If you are looking for a special star sapphire gemstone, check our selection of star sapphire cabochons below. We have high quality, blue colored. loose sapphire cabochons available at affordable prices.

Chemical Properties:

  • Color:Star Sapphire is Light to Dark Violet color
  • Chemical Composition:Al2O3 (Aluminium Oxide)
  • Cut: Heart Cabochon, Marquise Cabochon, Oval Cabochon, Pear Cabochon, Round Cabochon
  • Specific Gravity 3.95-4.1
  • Refractive Index: 1.762-1.77
  • Hardness:9

Unusual Properties:

Synthetic star sapphire exhibits the optical phenomenon called asterism, a star-like pattern created on the surface of a gemstone when light encounters parallel fibrous, or needle-like, inclusions within its crystal structure. Light that strikes the inclusions within the gem reflects off of the inclusions, creating a narrow band of light. When two or more intersecting bands appear, a star pattern is formed.

Usage:

Earrings, bracelets, beads and any other jewellery

What we Supply:

Best quality Lab Created Star Sapphire in different cuts and sizes

Frequently Asked Questions


Lab Created Star Sapphire is a laboratory-grown sapphire that displays a beautiful star-shaped optical effect known as asterism. It offers the same crystal structure as natural sapphire with excellent clarity and consistent quality.


The star effect, known as asterism, is created by tiny needle-like inclusions that reflect light, producing a six-ray star visible across the surface of the gemstone.


Yes. Lab Created Star Sapphire has the same chemical composition and crystal structure as natural sapphire but is grown under controlled laboratory conditions for consistent quality.


Lab Created Star Sapphire is available in Blue, Black, Pink, Purple, White, Yellow, Green, Gray, and other attractive colors depending on availability.


Lab Created Star Sapphire is commonly available in Round, Oval, Cushion, Cabochon, Pear, and many calibrated and custom sizes suitable for jewelry manufacturing.


Yes. Lab Created Star Sapphire is ideal for rings, pendants, earrings, bracelets, necklaces, and custom jewelry because of its durability and unique star effect.


Clean Lab Created Star Sapphire using warm water, mild soap, and a soft cloth or brush. Avoid harsh chemicals and abrasive cleaners to maintain its finish.


GEMS N GEMS offers premium-quality Lab Created Star Sapphire with a distinct star effect, precision cutting, vibrant colors, and a wide selection of shapes and sizes for jewelers, wholesalers, manufacturers, and gemstone collectors.

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