Stepped pavilion gem diagrams. This site is dedicated to the memory of norman w. This sites purpose is to make this collection freely available to the hobbyist or professional gem cutter and to enlarge the collection. The diagram starts with the pavilion break facets. Jun 17 2020 explore itziar parramon elorzas board facet diagrams followed by 129 people on pinterest.
Welcome to the gemology online faceting diagram database. Adjust the mast height so the rough stone barely touches the lap. To view the image up close click on the small picture in picture icon in the lower right corner. See more ideas about faceted design diagram jewelry rendering.
The database is based on the datavue program and database of robert h. Our step by step guide will show you how to facet this piece and suggest some variations the hayek cut for gemstones. Then move to 27and 75 and so on. Steele with updates by.
All patterns on this page were written by faceters on this site. Since this particular tourmaline is black on the c axis relatively steep pavilion facets on the end steps help minimize the darkening effect of the black axis on the ends of the stone. I cut the pavilion in the canonical way and i decided to jazz up the crown a little. To access the diagrams simply click on the image of the stone.
Steele who doggedly collected and cataloged most of the faceting diagrams in this collection. If a computer rendering and an actual stone are displayed clicking on the rendering will take you to the. Grind little by little by sweeping the rough on the lap by hand. Showing record 1 to 1000 of 3289 4 pages total.
This gem has a length to width ratio of 291. Hi martine yes the designs page has been gone for a while. This is the faceting diagrams page. The hayek cut is great for light to medium colored gem rough thats blocky but not square enough.
The gemstone butterfly is a stunning design for a custom cut gem. Long and norman w. These notes diagrams and instructions will show you how to cut your own gem the gemstone butterfly cut. Re building it with references and with a load of new designs is on the to do list.
When the side on the index 3 is done move to the index 51. A 136 ct 88 x 253 mm gram easy emerald cut from yellow tourmaline by jeff graham. If you follow me on the pavilion you should have no trouble cutting the canonical standard round brilliant.