Ruby Filter











Ruby Filter for Testing Red & Pink Gemstones

Ruby Filter is a filter that is extremely useful in differentiating red stones such as Ruby, Spinel, Tourmaline, and Garnets from others that might look similar in comparison. Using the Filter is as simple as holding it close to your eye, look at the stones, examine your gems and reveal their true identity.

Below are the appearance of various red and pink gemstones when a Ruby a Filter is use:

Type of Stone or Gemstone Colour Shown through Filter
Red Beryl Grey
Almandine Garnet Gray
Pyrope Garnet Brownish
Rhodolite Garnet Gray
Red Glass Dark Purple
Ruby Bright Blue
Pink Sapphire Light Blue
Spinel Gray / Blue
Pink Spinel Light Blue
Tourmaline Gray / Purple


  • Accurately distinguish the real nature of the gems in an instant
  • Supplied with leather pouch case
  • Approved by strict quality and safety standards for long and trouble-free life
  • Guaranteed high quality and accurate testing results


  • Filter material: Glass
  • Filter Diameter: 20mm
  • Body: Made of Metal
  • Swing away metal case
  • Genuine Leather case


  • Model: RubyFil
  • Shipping Weight: 0.1Kgs

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