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We Faceted this Colorado Topaz into a round and trillion

A local gem collector found this piece of Topaz here in Colorado. Topaz is one of the gemstones which can be found right here in Colorado, in addition to Aquamarine.

He wanted his piece faceted into the best yield possible.

Below, you will see the steps I used in faceting his Topaz.

Shows a rounded light blue Topaz crystal from Colorado

Piece of rough blue Topaz from Colorado

Here you can see the raw crystal which he found.

An arrow telling users to click on the photo to make it larger.

I studied the piece, examining it for flaws, to see how best to facet it into the largest stones of shapes which the owner liked.

The same crystal now has 2 shapes drawn on it with a blue Sharpie. The shapes are round and a triangular.

Shapes drawn on the rough Topaz

After studying his crystal and seeing a flaw that I needed to avoid, I drew shapes for a round and a trillion cut.

Shows me sawing the Topaz on my trim saw.

Sawing the Topaz

Here you can see me sawing the Topaz between the two shapes.

The Topaz has now been sawn in half and there are 2 pieces.

The Topaz has been sawn in half

You can see that there are now 2 pieces.

The 2 pieces have been ground into the round and triangular shapes.

Preforming before faceting

The next step in the faceting process is to 'preform' each piece into the shapes we want.

Shows the pavilion of the stone with the first facets having been cut.

The first facets on the pavilion

You can see here that I have placed the first few facets onto the pavilion

I am not cutting a standard brilliant cut on this stone. The customer wanted a different facet pattern.

Faceting the crown of the Topaz.

Faceting the crown

I am now putting the first few facets onto the crown of the Topaz.

Shows me faceting the triangular Topaz into a trillion cut.

Faceting the crown of the trillion

Here I am working on the crown of the trillion cut.

Shows the finished round and trillion cut Topaz stones.

The finished gemstones

You can now see the finished stones.

Because this was nice clean material, the stones are very brilliant and sparkly.

→ Take me back to examples of Faceting Gemstones from a rough crystal .....


Denton Anderson,
Gemologist & Gem Cutter
click photo for Video

Photo of Denton the gem cutter.

Graduate Gemologist, GIA, GG
Over 20 years of experience.