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Cufflinks inlaid with Faceted Onyx

A jewelry designer sent us these cuff links which they wanted inlaid with Onyx. They wanted the Onyx to be faceted across the top. They wanted equally spaced bar cuts.

I did the calculations to get the angles right for a nice arc across the tops of the stones. I think they turned out nice. They sold those and I have done a couple more pairs for them since we did the first set.

And S shaped piece of black Onyx which has been carved to fit into the inlay area and I on my machine ready to be faceted. I have made 1 cut.

Starting faceting the Onyx

The first step is to fit the Onyx to the mounting.

click this photo

You can see that I have already carved the Onyx into an 'S' shape which fits tightly into the mounting.

I have started making the first facets on the piece after having calculated the angles I will need. I may need to make some slight adjustments along the way.

The black Onyx now has all of the facets on it but they are not yet polished.

Bar cut Facets

Here you can see that I have all of the facets in place except for the center facet.

The tricky part in a faceting job like this is, getting all of the facets to meet in the middle perfectly aligned. Because if they are off even slightly, the eye see it.

The next steps are pre-polishing and then polishing.

All of the facets are now polished except for the center one.


Here you can see that all of the facets now have a high polish except for the table.

To do the table I will need to mount it differently to put it on the lap at 90'.

It is now finished and set into the cufflink mounting which is white gold and has diamonds on each side of the Onyx.

Finshed faceted Onyx

Here you can see the finished faceted Onyx in the cufflink mounting.

We make the ends of the Onyx polished flush with the ends of the cufflinks.

This shows both cufflinks finished with the faceted black Onyx set in them.

Cufflinks with faceted Onyx

Here you can see the finished set of cufflinks with the faceted Onyx.

I think this design is an eye-catching and bold design for men.

→  Take me back to examples of Faceted Inlays we have done


Denton Anderson,
Gemologist & Gem Cutter
click photo for Video

Photo of Denton the gem cutter.

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