DESCRIPTION Stone: Natural Topaz Origin: -- Treatment: Blue topaz is commonly enhanced by irradiation and/or heating to improve its color. There is currently no scientific method available to determine whether this gemstone has been enhanced or not. Weight: 21.54 ct Measurements: 20.54 x 15.87 x 8.76 mm Transparent Natural inclusions present Certificate: ALGT 25817688 NOTES - All gems are sent with a certificate. - The origins are not certified by a laboratory, they are my gemological opinion. - The photos are taken at more than 10X, with macro lens, so there are inclusions that are not really visible to the naked eye. - The pictures aren't true to scale, which is why we give you the exact measurements of the stone so that you can get a good idea of the size. - Colours may look different depending on your screen settings, I try to make them as real as possible SHIPPING. Up to € 100 - Correos - (2-3 weeks) More than € 100 - Zeleris Air (DHL) - (3-7 days) Canarias and Baleares only by Correos Customs charges paid by the buyer