Topaz market statistics

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Topaz

  • Color: blue, yellow, pink, red, brown, green, colorless
  • Hardness: 8
  • Refractive index: 1.60 - 1.64
  • Density: 3.50 - 3.58
  • Chemical composition: Al2[SiO4](F,OH)2
  • Crystal structure: orthorhombic
  • Origins: Brazil, Madagascar, Russia, USA, Mexico, Pakistan.

The most valued color for a topaz is orangey-pink (an example being the imperial topaz from Brazil). Heat treatment is common for yellowish stones, with light blue or colorless stones being subjected to x-ray treatment and heating. Very big, clean crystals are common. Topaz prices subject to noticeable variation due to fashion trends on local markets.

 

Topaz 51.00 cts. Topaz 6.98 cts.
Topaz 51.00 cts.
Published under permission: Miguel Angel Lopez		 Topaz 6.98 cts.
Published under permission: Miguel Angel Lopez
Topaz 9.50 cts. Topaz 20.40 cts.
Topaz 9.50 cts.
Published under permission: Miguel Angel Lopez		 Topaz 20.40 cts.
Published under permission: Miguel Angel Lopez

The figures are based on Gemval's aggregated valuation statistics for the retail market. Irrelevant, controversial or repeat data are excluded from our analysis wherever possible. The figures are updated monthly.

Weight distribution for Topaz

Occurrence is represented in % for different weight categories.

Price distribution for Topaz

Occurrence is represented in % for different value intervals.

Clarity distribution for Topaz

Occurrence is represented in % for different clarity grades.

Select gemstone variety:

Topaz market prices