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Menu of Gem Cutting Services.

We custom Faceted a curved Sapphhire
to fit this antique Diamond ring

A jeweler sent us an antique Diamond ring which was missing one of the Sapphires.

The missing Sapphire had been seated against the round bezel which held the center Diamond. That side of the Sapphire was curved to fit against that bezel.

Below you will see how we made a new curved Sapphire to fit into the ring.

A white gold Diamond ring which is missing a Sapphire.

Antique Diamond ring missing a blue Sapphire

You can see that there is a blue Sapphire missing from the right side of this ring

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

The Sapphire has a curve carved into the edge where it snuggs up against the bezel which holds the center Diamond.

Shows me carving a curve into the Sapphire

Carving the curve into the edge of the Sapphire

I am carving the curve into the Sapphire with a hand tool and a diamond carving tool.

The curve needs to match the edge of the bezel. So I frequently put the Sapphire up against the bezel to see if the curve matches.

Shows me shaping the Sapphire on my faceting lap.

Cutting the Sapphire to the correct size

I use a digital caliper to measure the opening in the ring where the Sapphire will fit into.

The size of the stone needs to be perfect. It can't be too big or it won't fit. It can't be too small or it will sit too low and also won't be wide enough visually.

Shows the Sapphire on the dop stick in the faceting machine.

Finishing the crown

I am now putting the finishing polish on the crown.

You can see that the stone has a cissors cut on the crown. The cissors cut is very commonly used on the gemstones which are set in antique jewelry.

Shows the ring with the new Sapphire set in the ring

The new Sapphire set in the ring

This shows the Sapphire set into the ring. It has not been set with metal yet because I do not do stone setting. A jeweler will need to set it.

Shows the ring laying down with the new stone sitting next to the ring.

The finished stone

Shows the finished Sapphire sitting next to the ring, ready to be set.

→ Take me back to examples of Custom Faceting Tiny Gemstones . . .


Denton Anderson,
Gemologist & Gem Cutter
click photo for Video

Photo of Denton the gem cutter.

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