DiamCalc is a system for cut gemstones modeling, which enables many different users to achieve their goals. The real (photorealistic) image of a polished diamond created by the system makes it possible to determine the cut properties that often cannot be measured and to find the optimal combination of cut parameters that would provide the best perception, brilliance, fire, scintillation and others of the stone.

Photographs do not adequately show the sparkle and brightness of a real diamond; until now. DiamCalc since version 3 has High Dynamic Range (HDR) imaging that shows the intense sparkles on your computer screen by reproducing the flares or bloom that we see in real diamonds. Bright sparkles often appear to be larger than the facet they emanate from, even extending outside the edge of the diamond.

Scintillation is the last great frontier of diamond cut studies. Regular ray tracing software and lab grading systems have failed to model scintillation and capture this bloom factor.

Now buyers and sellers can realistically show a client, or visualize a distant diamond themselves before buying it. They can see just how it will look as they rock it from side to side in their own environment and even make promotional videos for individual diamonds.

 Play 5 full size DiamCalc 3.2 Demo movies in one window (total size 1500x516 px)
 Play 3 full size DiamCalc 3.2 Demo movies in one window (total size 900x516 px)

Vizit DiamCalc HDR Demo Movies page

HDR panorama - Holloway Diamonds, Canterbury - halogens, metal halide and daylight

Download full size hdr panorama, Color, 4096x2048px (19,2 Mb) Download full size hdr panorama, Grayscale, 4096x2048px (7,37 Mb) More details..

DiamCalc’s High Dynamic Range lighting can come from a variety of panoramas such as a ball room, forest or hillside so anyone can see how the diamond will look in each of these environments. Jewelers of the future will no doubt import panoramic images of their own sales floor into DiamCalc.

The result of new technologies is the highly photorealistic images reflecting both non-trivial optical properties of gemstones and compound features of the environment.

The Diamond calculator is designed for jewelers, diamond graders, and sale specialists dealing with diamonds and diamond jewelry, for companies active in designing special cuts, manufacturers and technologists.

What is new in the DiamCalc?

January 2, 2009 - DiamCalc 3.2 beta is available for download

1. Inclusions rendering
2. Non convex (concave) cut renderings are supported
3. Importing non convex cuts from binary stl
4. Stars effect
5. Export movies for ipod / iphone using dc quicktime exporter
6. Creating layer through three points in the cut designer
7. New buttons undo, redo and new are available in the cut designer
8. DiamCalc demo version
9. Custom preform / Recut
10. New view modes are available in the main diamcalc view window: statistics diagrams, etas and detas
...
More details..

Main features DiamCalc 3.0

• High Dynamic Range movies and images created with High Dynamic Range panoramas and real observers
• ETAS images
• Cut Designer builds variable models
• Precise calculation of the stone weight with regard for all the main parameters, such as diameter, total depth, girdle thickness, pavilion depth, crown angle and etc.;
• Consideration of the culet size and convexity of shoulders and wings.
• Possibility to work with the main diamond cut styles: Brilliant, Oval, Marquise, Pear, Princess, Baguette, Happy-8, Emerald, Flanders and Heart.
• Determination of fixed or variable parameters.
• Selection of the main and additional cut parameters. Fixation of some parameters. Use of standard proportions (Tolkowsky, etc.).
• Determination of parameter combinations for diamond grading, including GIA, HRD, AGA and Russian TU systems. Evaluation of the defects deteriorating the diamond perception.
• Schematic three-dimensional images of a polished diamond:
1. Outline model (framework) and refraction-1 model, which shows the refraction of back facets seen through the front facets;
2. Photorealistic image of a diamond taking into account light absorption, repeated reflections, dispersion and variable lighting;
3. Stereo mode - three-dimensional image of diamond that can be seen with a pair of stereo glasses.
• Price lists. Prices calculation based on color, clarity and fluorescence.

Press Release. DiamCalc 3.0 and DiamCalc 3.0 Pro launched by OctoNus

Documentation

What is new in the DiamCalc 3.2 beta?
DiamCalc 3.2 beta Documentation (PDF)
DiamCalc 3.0 Documentation (PDF)

Video tutorial

Tutorial - Using DiamCalc & GEM Adviser on http://ideal-scope.com

Video Chapters:

1. Turning on the lights
2. Opening emailed DiamCalc and gem Adviser files
3. Saving image and Gem Adviser to email client
4. Changing preset diamond shapes
5. Cut Quality and Appraiser
6. Scanned reports and advanced facet edits
7. Making movies for emailing, websites and youTube
8. Inhouse grading report
9. Split screen viewing and ray tracing
10. High Dynamic Range lighting
11. Converting to Gem files
12. Using GemAdviser

Quick guide on Key operations (How to..)

How to select cut shape? How to vary cut parameters? How to calculate the exact weight? How to find out the unknown cut parameters? How to lock parameter value? How to select a unit system? How to vary viewing parameters? How to load the standard (given) proportions? How to import and edit new shapes? How to import 3D Sarin format? How to make report for a model obtained by Sarin scanner? How to see ray-tracing? How to get the photo-realistic image?

How to record and play a movie? How to see a stereoscopic image? How to use given lighting (office, shop, firescope, etc)? How to vary viewing condition? How to create an Expert Report for printing? How to get coefficient of demerits (fish eye, nail head)? How to use Rapaport price list in 3DCalc? How to select the version of Rapoport you need? How to set up and use the price list converter? How DiamCalc prices diamonds? How to modify appraiser data? How to modify price list?

Help

DiamCalc cut parameters
Cut Quality Estimation

1. Estimating the mass of the stone and calculating cut parameters
2. Support for different cuts and a large set of parameters
3. Support of external cut designs and diamond 3D-models- GemCad, AutoCAD and Sarin files import (registered version only)
4. Working with different types of gemstones
5. Finding unknown parameters (mounted diamonds, estimating proportions of diamonds before they are cut) and parameter fixing
6. Selecting measurement units and parameters to show
7. Appraising cut quality (GIA, HRD, AGA, Russian TU systems) and estimating the price of the diamond
8. Different visual presentations of diamond, fine-tuning images to produce realistic view of a diamond
9. Detailed description of DiamCalc appraisers
10. Appraiser file format
11. OctBrill.txt file format
12. Price list file format

Tutorial: How to Create High dynamic range (HDR) panorama

Diamond 3DBook - interactive diamond traning course

Diamond 3DBook is a computer tutorial that involves extensive information on working with diamonds: from the physical background determining the unique properties of these stones to the modern worldwide system of diamond trade.

3DBook is designed for training diamond specialists and raising the level of their skills. The capability of interactive diamond modeling and the availability of extensive reference data make Diamond 3D Book a useful tool in everyday work of gemologists, appraisers, Certification Centers, gemstone cutters, gemological labs and institutes, manufacturers and sellers of diamonds and jewelry made of these.

Download DiamCalc

DiamCalc 3.0, DiamCalc 3.2 beta & DiamCalc Demo

Buy

Online store

Cuts gallery

DiamCalc Internal Cuts External Cuts (DLL) Cuts Gallery: 01-10, 11-20, 21-30, 31-40, 41-50, 51-52 Diamond cuts on the Global Diamond Portal