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3 reasons why it is better to charge by the unit than by the kilogram

Stefan Austermühle, CEO of Gemrock Peru                           Last Updated: 05/2025 Gemstone producers, wholesalers, and retailers are used to buying and selling in kilograms of products. Gemrock Peru is breaking with the accustomed way by charging our clients by...

3 Ways to Recognize a High Quality Tumbled Stone

Standard tumbled Flat Sides Standard tumbleds are made from cutting scraps. Because they must be cheap, producers don’t take the time and effort to reshape them but rather only round the corners and leave the flat cutting surface visible. Scratched surface...