Blender is a free and open-source 3D computer graphics software product used for creating animated films, visual effects, interactive 3D applications or video games. wikipedia.org

3D modeling (also known as meshing) is the process of developing a mathematical representation of any three-dimensional surface of object (either inanimate or living) via specialized software. wikipedia.org

KeyShot is a standalone real-time rendering application that makes renderings and animations fast and easy, with support for the a number of 3D file formats on both Mac and PC.

Jewelry is a form of personal adornment, such as brooches, rings, necklaces, earrings, and bracelets. wikipedia.org

ZBrush is a digital sculpting tool that combines 3D/2.5D modeling, texturing and painting. It uses a proprietary "pixol" technology (see below) which stores lighting, color, material, and depth information for all objects on the screen. wikipedia.org

Gemvision Matrix is a 3D jewelry design CAD/CAM software. It allows users design virtual 3D jewelry on-screen while generating a detailed color preview image that can be printed or emailed. Matrix then outputs all file types compatible with any CAM (Computer Aided Manufacturing) devices.

3D computer graphics are works of graphic art that were created with the aid of digital computer and specialized 3D software. In general, the term may also refer to the process of creating such graphics, or the field of study of 3D computer graphic techniques and its related technology. wikipedia.org

Digital sculpting, also known as Sculpt Modeling or 3D Sculpting, is the use of software that offers tools to push, pull, smooth, grab, pinch or otherwise manipulate a digital object as if it were made of a real-life substance such as clay. wikipedia.org