Har yanzu duwatsu masu launin ja, shuɗi, kore?

Gemstones masu launi Ya samo asali daga ja mai ƙafa 3, shuɗi da koren yanayi zuwa yanayin furanni da yawa.Ƙaruwar farashin wasu duwatsu masu daraja ya fi ban mamaki.Farashin Emeralds na Colombia yana da daraja, kuma jinin Burmese pigtails yana da wuya a ci nasara a cikin irin caca.Wasu high quality cobalt spinels suna karuwa da 200% zuwa 1000%.
Akwai manyan dalilai guda biyu na hauhawar farashin:
a daya bangaren kuma sakamakon illar da annobar ta haifar da dakatarwar da ake yi a yankin da ake hakar ma'adinai ya haifar da karuwar farashin hako ma'adinai da raguwar hajoji a yankin.A daya hannun kuma, annashuwa a kasuwar gem masu amfani da kayan marmari bai taɓa yin sanyi ba kuma zai ci gaba da ƙaruwa bayan shekara ta shiga.2021 a zahiri ko farashin ya fi girma ko ƙasa Abu mafi mahimmanci shine haja.