Taggarkiv: Utvärdering och identifiering av smaragder och akvamarin guldpläterade smycken indiska

Utvärdering och identifiering av smaragder och akvamarin guldpläterade smycken indiska

High-quality emeralds should be bright and pure emerald green. Variety of yellow, blå, grå, brown and other variegated tones will reduce the color quality of emeralds; grandmothers with uniform color, uneven color or lighter color are required Green, its price is also lower. Dessutom, due to the production environment, emeralds are very rich in […]