How to Determine a Value of Blue Sapphire? Based on 4Cs plus OT – A Buying Guide [Video]

http://www.youtube.com/watch?v=9rZzprhjYtA In this post, I decided to do a video tutorial explaining how I will go about determining the value of a blue sapphire. The method I use to determine the value of a particular sapphire (or any gemstone) is by first categorizing the stone based on 4Cs + OT method, which are the six … Continue reading How to Determine a Value of Blue Sapphire? Based on 4Cs plus OT – A Buying Guide [Video]

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It is now possible to buy ethically sourced Zambian emeralds through partnership of Gemfields and Gübelin Gem Lab using Nano-Particle Technology.

Gemfields has decided to tackle head on a big issue which has been plaguing the gem trade for a long time.  How to guarantee the emerald you bought is ethically sourced?  Through the partnership with Gübelin Gem Lab, they came up with a very creative solution by using Gübelin’s new “Provenance Proof” nanoparticle technology which proves … Continue reading It is now possible to buy ethically sourced Zambian emeralds through partnership of Gemfields and Gübelin Gem Lab using Nano-Particle Technology.

How much does it cost to buy a 1 to 3 carat untreated, no oil, 100% natural emerald from Zambia?

Continuing with the series in how much a particular gemstone should cost, today I will try to tackle another common question I get asked which is – “how much does a no oil, untreated, 100% natural emerald cost? Can you forward me a price list for these type of emeralds from 1 carat to 3 … Continue reading How much does it cost to buy a 1 to 3 carat untreated, no oil, 100% natural emerald from Zambia?