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Diamond ring with Black Jade tapering into the center

The customer that this ring was designed for wanted a ring with 12 tapered black Onyx baguettes which meet at the bottom under a large center mounted diamond.

Mounting so many tapered black onyx baguettes can be very problematic for a setter to say the least. The appearance of the finished product is also a concern. The jeweler told me her customer was mostly desiring that it "look" like baguettes but didn't actually need to be baguettes. Therefore, I proposed cutting Black Jade to fill in the area around and under the center diamond. I would cut grooves into the Black Jade which would give the illusion that there were actually several separate stones. The grooves could only be cut if the Black Jade were in 2 pieces and later joined together.

Below, you will see photos and description of the cutting process.

A black Jade which have been carved into a octagonal block with a dish in the middle.

Step 1

The first photo shows the 2 pieces of Black Jade glued together so that it could be carved to fit into the opening in the ring.

click this photo

The piece has been divided in 2 and grooves are carved into it.

Step 2

The second photo shows the 2 pieces of Black Jade which are now separated and now have the grooves carved into them to make them look like several stones joined together.

Ring with the finished black jade carving sitting next to it and also the diamond which will be mounted into it.

Step 3

The third photo shows the 3 parts ready to be assembled. The engineering jeweler designed the ring with a threaded post on the bottom of the head with the diamond in it.

The carved black jade is set into the ring but the diamond is not yet in the center.

Step 4

The fourth photo shows the ring with the 2 pieces of black jade in place.

The carved black jade is set into the ring. The diamond is now set in the center.

Finished Diamond ring with Black Jade

The fifth photo shows the fully assembled ring with the diamond screwed into place.

→  Take me back to examples of Special Cuts I have done for Jewelry Designers . . .


Denton Anderson,
Gemologist & Gem Cutter
click photo for Video

Photo of Denton the gem cutter.

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