Unfortunately it is not possible to provide you with an Preciosa Seal or Certificate when you purchase Preciosa crystal components from Bluestreak Crystals. However, you can verify the authenticity of our Preciosa crystals by viewing the Bluestreak Crystals Preciosa Authorised Partner Certificate here.
Guidelines for use of the Preciosa® Trademark
If you are purchasing genuine Preciosa crystals from Bluestreak Crystals, you are able to advertise to your customers that you are using Preciosa crystals components, by using the following wording in your product / service description:
Further information on the proper use of the Preciosa® Trademarks can be found in the Preciosa Branding Guide found here. If you would like to provide your customers with a Preciosa Seal, please take a look at the Ingredient Branding Program below.
Preciosa Ingredient Branding Program
The Preciosa Ingredient Branding program is available to quality brands who exclusively use genuine Preciosa crystals and fine jewellery stones in their products. This will allow you to use the Crystals by Preciosa Logo and provide your customers with a Preciosa Seal with every product they purchase from you.
Please send your completed application form to the following brand manager at Preciosa: firstname.lastname@example.org
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The Bluestreak Crystals Size Chart can be found below. To download / print a PDF version of this colour chart, please click here.