Set of eight stones on paper with their certificates. includ - Lot 233

Set of eight stones on paper with their certificates. including : - an amethyst under seal with a certificate from the Spanish Gemological Institute issued on 22/07/2019 and indicating no trace of treatment. Weight: 33.24 carats. 26.09 x 18.27 x 10.76 mm. - a sealed hydrophane opal with a certificate from the Spanish Gemological Institute issued on 07/01/2021 and indicating no trace of treatment. Weight: 4.36 carats. 15.59 x 11.72 x 5.42 mm. - a sealed amethyst with a certificate from the Spanish Gemological Institute issued on 17/09/2019 and indicating no trace of treatment. Weight: 25.79 carats. 18.20 x 16.98 x 13.02 mm. - a sealed tanzanite with a certificate from the International Gemological Institute issued on 23/09/2023 and indicating no trace of treatment. Weight: 2.31 carats. 8.47 x 6.43 x 4.26 cm. - a sealed citrine with a certificate from the Spanish Gemological Institute issued on 03/03/2021 and indicating no trace of treatment. Weight: 17.71 carats. 17.41 x 17 x 11.62 mm. - a sealed aquamarine with a certificate from the Spanish Gemological Institute issued on 20/04/2021 indicating no trace of treatment. Weight: 2.41 carats. 10.33 x 7.93 x 5.09 mm. - one corundum under cover with a certificate from Antwerp Laboratory for Gemstone Testing issued on 08/27/2021 and indicating no trace of treatment. Weight: 1.27 carats. 7.17 x 5.50 x 3.47 mm. - two brilliant-cut diamonds under seal with an Antwerp Laboratory for Gemstone Testing certificate issued on 18/06/2021 and showing no trace of treatment. Weight: 0.17 and 0.17 carats. 3.52 - 3.60 x 2.18 mm 3.52 - 3.56 x 2.18 mm.