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Discs and abrasives for roughing and polishing gemstones: which ones to use and where to buy them?
En mi día a día, utilizo tres tipos de discos para tallar las piedras preciosas: discos para desbastar, discos para facetar y discos para brillar o pulir.
Oscar Bautista
4 min read


Complete guide: accessories and tools for cutting gemstones
In this article I share with you a list of the 15 tools and accessories that I use in my daily life as a gem cutter.
Oscar Bautista
4 min read


The Mohs scale and the hardness of gemstones
The Mohs scale indicates the relative hardness of minerals. Discover which gems are considered soft and find out which are the hardest gems.
Carolina Vivas-Serna
5 min read


Workshop: "Making a handmade and sustainable Mother's Day gift"
Are you looking for a Mother's Day gift that is different from all the others? Do you want to make the gift with your own hands so that...
Carolina Vivas-Serna
3 min read


The best Christmas gifts: 5 presents handmade in Portugal
Find the best present ideas in our guide to Christmas Gifts 2023 with handmade sustainable pieces.
Carolina Vivas-Serna
3 min read


This is the Bleu Royal: the 17.61 carat blue diamond auctioned by Christie's
On September 18, Christie's issued a press release talking about the Bleu Royal, the largest Internally Flawless Fancy Vivid Blue diamond...
Carolina Vivas-Serna
2 min read


How to make a round cabochon: 5 steps to cut a cabochon
Learn how to make a round cabochon. Find the 5 most important steps to cut a cabochon, with photos of the process in our tutorial.
Oscar Bautista
8 min read


Aquamarine: a coveted and famous blue gemstone
Aquamarine is one of the best valued gems. Discover its characteristics, the most expensive color and the largest that has been cut.
Oscar Bautista
2 min read


Glass: a trend in jewelry
Learn about the 5 characteristics that have made glass one of the favorite materials in jewelry.
Oscar Bautista
4 min read
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