Oscar Bautista

Experto En Tallado De Piedras Preciosas

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Join date: Mar 29, 2019

About

Oscar es tallador de piedras preciosas hace más de 30 años. Luego de dedicarse a tallar esmeraldas colombianas y otras gemas de color, decidió crear su propia marca de joyería con la que ganó el Premio Artesano Digital al + Emprendedor, otorgado por Artesanías de Colombia en el 2016. Su pasión por las piedras lo llevó a enseñar tallado de gemas en países como Ecuador, España y Perú. En 2019 se radicó en Portugal, desde donde actualmente presta sus servicios de tallado a clientes particulares y empresariales.

Posts (5)

Oct 20, 2025 ∙ 6 min

Cabochon cut: What are cabochons, how are they cut, and what are they used for?

When it comes to gems, the cabochon is the oldest cut of all . You can recognize it by its generally convex, smooth, and unfaceted surface. Although, as you'll see later, faceted cabochons do exist. In my opinion, this cut is both practical and timeless , which is why I want to share some of my experience as a cabochon cutter with you: What is a cabochon? Cabochon vs. faceted: What are the differences? What are cabochons used for? What are the shapes of cabochons? How to cut a cabochon...

Sep 5, 2025 ∙ 7 min

Dopping wax for lapidary: how to use it? Materials, steps, and alternatives

As an experienced gem cutter , I can tell you that one of the most delicate moments during the cutting process is the gemstone dopping (when you attach the gem to the dop): You need precision and a steady hand to ensure that the stone is properly centered and, as a result, you get the desired results. Using dopping wax for lapidary So, if you are venturing into the world of gem cutting as a hobby or business and want to develop a good gemstone dopping technique using wax , I invite you to...

Jul 7, 2025 ∙ 4 min

Discs and abrasives for grinding and polishing gemstones: which ones to use and where to buy them?

The information below applies to a wide variety of gemstones but does not apply to diamonds, as their cutting process is different. In my daily work, I use three types of discs for cutting gemstones : roughing discs, faceting laps, and polishing laps . The main difference between the diamond discs I use for roughing and faceting lies in the grit, and the choice depends on the stage of the process and the type of stone (always based on its hardness). On the other hand, gemstone polishing discs...