Passer aux informations produits
1 de 17

Natural Green Tourmaline - 4.14 ct - round - AAA grade - unheated - certified by NGB

Natural Green Tourmaline - 4.14 ct - round - AAA grade - unheated - certified by NGB

Prix habituel €295,14 EUR
Prix habituel Prix promotionnel €295,14 EUR
En vente Épuisé
Taxes incluses. Frais d'expédition calculés à l'étape de paiement.

Natural Green Tourmaline - 4.14 ct - round - unheated
Experience the true beauty of nature with our Natural Green Tourmaline. This stunning gemstone, weighing 4.14 ct, boasts a round cut and has never been heat-treated, preserving its luxurious and natural color. Certified by NGB, our clients trust in the authenticity and authenticity of this piece. Add this unheated gemstone to your collection and let its mesmerizing beauty and untampered purity elevate your style.

Natural Gems Belgium Colored Stone Certification  FA-TOCH024GR-001-006

IDENTIFICATION

Species : Natural Tourmaline
Variety : Green Tourmaline (verdelite)

DESCRIPTION

Shape & Cutting Style : Round, Brilliant Cut
Measurements : 10.0 x 9.2 x 6.7 mm
Carat Weight : 4.14 carat
Color : deep olive green
Clarity : comparable with S1
Transparency : Transparent

Birefringence : 0.020
Crystallography : Hexagonal (trigonal)
Dispersion : 0.017
Luster : Vitreous
Hardness : 7
Refractive index : 1.603-1.820
Specific gravity : 3.39-3.41

COMMENTS :

No indications of heating, no indications of any other treatment;
Green Tourmaline is often referred to as verdelite

Personal Note From Natural Gems Belgium:

This all natural round, brilliant cut tourmaline is a deep green gemstone, with cut grade good, has symmetry good has polish grade good to very good, and a clarity comparable to SI1, making it a gemstone with good vitreous luster, and nice clear green color.

Reference for AAA grading:
Color grade is good  
Cut grade is good 
Carat weight is very good
Clarity is VS1

FIND THE ONLINE CERTIFICATE HERE

for general impression take a look at the pictures

All items are sent insured with track and trace regardless of value

Afficher tous les détails