Diamond Stylus Enters the 4th Dimension

If you Google Stylus has separated from a Boron Cantilever, there are a variety of Cases to found with differing information.
A search for Cartridge Model may well show up added information, as I found on my owned C'b, I referred to previously. 

There are also reports to be found on Broken Boron Cantilevers, but I don't see this being my case.

With the discovered information to evaluate.
 I chose to use Macro Photography to capture images of the C'b Cantilever End to assess if it was a Loss of Adhesion or a Broken Boron Tip.

The witnessing that the Bevel End on the Boron Cantilever was almost a Perfect Flat Surface, I believed a Loss of Adhesion had been the cause of the detachment of the Stylus.

Note: The disturbing amount of contamination witnessed on the Cantilever and Housing, especially where the Cantilever Enters inside the Housing was surreal.

The Rebated Side Walls of the Housing, Cantilever and Bobbin ? 
was covered in a excessive build up of granular particles.

I can only believe these will be effecting the freedom of movement, and a loss of performance will be the result.

As a result of this discovery, I am intending on doing the same inspection of my other rebuilt MC Cartridge.
It will soon have about 200 Hours usage, and if there is any contamination evidence, I will send it with the C'b for a Inspection and if required a Thorough Clean. 

The Macro Images were forwarded to a Repair Service for a evaluation from a Technician.

The reports returned from all contacted has been very promising, and the offer of a repair was made.

One Service rejected the opportunity to carry out any work,
as their report, has been very clear about the added risks for the Rebuild, because of the compromised surface to adhere a Stylus onto.
An additional operation of a Cantilever Exchange on the
C'b Brand of Cartridge that I own, is imposing an increased risk to a successful operation.
As the internal Parts for this Brand are not off the shelf items.
After my reassurances offered to the Rebuild Service, we were able to maintain a communication on the possibility of a repair being undertaken by their service.

I can now get a repair done using various services and a variety of methods.

I wish to avoid the Bonding a 'New Stylus Only' onto the insitu Cantilever.

I am hoping to have a New Cantilever and Stylus with a improved method for the setting of the Stylus, as the C'b was left without a Stylus following approx 600 hours of usage. 
In my mind, I had this as a 1200 Hour Cartridge if given the ideal working conditions, before a concern for the performance of the Stylus was to be questioned.

I hope the above helps with helping the OP to evaluate when making a decision on their present situation.
     

Dissolve Adhesive Story:

I have a Vintage Audio-Technica AT440ML, microline on aluminum.

Unused for 20 years (I preferred brush feature of Shure V15VxMR)

Recently revived it. The cantilever, and up into the body of the cartridge was FULL of black junk. FULL

I started with Stylus cleaner, got some junk out, but still a mess after several attempts.

I grabbed a can of spray Contact Cleaner, watched thru my shop magnifying light, it dissolved the junk off via it's chemical formulation and the spray force. Several rounds, spritz, wait, spritz. Cantilever still a black color, and surface 'rough' viewed magnified.

Finally, I saw the final layer of textured black 'skin' peel away from the aluminum cantilever. It seemed like spraying Brake Cleaner.

What have I done? Did I dissolve the suspension? Dissolve the adhesive? What did I have to lose?

Next, a play off against the Shure with new Jico SAS. Amazing, sounds great, it's on my Office Vertical TT, Mitsubishi LT-5V. Less dust up here.

The question for Soundsmith would be are they going to warranty this or charge me for the repair. I'm not sure if they can get a Gyger S stylus. Remember, this is the stylus and cantilever of the Goldfinger. Elusive Disc's exchange charge for this cartridge is $1200. My worry is that they are going to say I damaged it, I just do not know when. My comeback will be then it could not have been a very serious incident and the stylus should have been able to take it. 

I bought a second hand Van Den Hul cartridge and experienced the same thing. The seller refunded my money and I sent it off to Van Den Hul for a rebuild.

I’ve snapped the cantilever off my Clearaudio Virtuoso Wood not once, but twice. I’ll never buy another cartridge where the cantilever is that exposed.

One might consider the Teo Audio MM carts.
They are built to equal or exceed the MM’s being discussed.

They also have user replaceable styluses. Styluses that can be purchased anywhere and at you leisure, and at the best price you can find.

It is the body of the cart and the motor therein that is key. It is the custom motor and body that is key.

And a money back warranty for the first time buyer of the basic unit, if you don’t like what you hear.

One of the first purchasers is using it in the interim, as they have sent their Ortofon A95 away for a Ortofon re-tip. Now that’s a low self noise cartridge if there ever was one.

The Teo Cart has to put up with that previous cartridge as the inevitable comparison. Pretty rough standard to meet, right out of the gate.

He called the Teo Cartridge, "A Triumph". (thread over at canuck audio, it’s a no guff comment from a hard core 250 transaction audio and music fanatic)

Basically it’s an all win no lose trial of the cartridge which is on on the table.

When they become more well known, the trial period offer will be withdrawn.

Thanks for putting up with the post, and reading.

Just for yuks I took USB microscope pictures of the cantilever and posted them on on my systems page. I think I know how it failed. There was no glue between the end of the cantilever and the diamond, just the surrounding glue which was very thin on one side. Eventually, it just let go. The diamond should be fully bedded in the glue but there was not any on the cantilever side. They are positioning the diamond against the end of the cantilever then just placing a dab glue on it, The glue does not get into the joint. Any woodworker will tell you this is a bad way to do it!