Diamond Saw for Lapidary

beach diamond saw

The Diamond Saw really is the standard equipment for cutting up rocks, especially very hard Agates and Quartz. These saws have a circular blade ranging from a few inches to 3 feet or more in diameter. The size of the rock to be cut dictates the size of the blade that’s needed and once the blade exceeds 8 inches you need special cooling liquid.

All diamond saw blades need some form of liquid coolant, to that end most saws have a sump that the blade runs in, picking up coolant as it rotates. For most smaller blades, 8 inches and under, water is normally an adequate coolant. Blades larger than 8 inches need some form of additive to be added, we use one called “metprep” mixed with water.

Types of Diamond Saw Blade

As a rule there are two types of blade used in Lapidary, the sintered rim and the continuous rim blade. The sintered rim is normally more aggressive and leaves a less tidy cut, whereas the continuous rim blade leaves a nice clean face after cutting.

Diamond Saws we can offer

Our full range of Lapidary Diamond Saws

For thin cuts you need a trim saw like this Beach Diamond Saw

Rocks up to 22mm thick can be cut with this Einhell Diamond Saw 600

Our own Beach Trim Saw in action:

View this video direct on Youtube https://youtu.be/uuSFDXgfE24

Affiliate Notice

We are in an affiliate partnership with UKGE for all the Diamond Saw products referred to on this page. This means that if you make a purchase on the UKGE Group site we will earn commission for that sale.

We purchase a lot of our Lapidary requirements from UKGE. We have always found that their level of customer service and speed of delivering orders to be second to none. Therefore we  have no problem in recommending their products and services to our readers.

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    • John Pilkington
    • October 24, 2020

    Hi Dave ,
    I hope you and yours are well?
    Just an observation really on the Beach trim saw; – I have owned one of these,for a very short space of time,-I found it to be totally under-powered,and got rid of it very quickly, – constantly stalled cutting very thin slabs for preforms,and in my honest opinion,not up to the job; – at almost 300 pounds new,- personally wouldn’t bother with it,there are better options out there,John.

    • Dave
    • October 6, 2020

    Hi Paul

    Our saw is 8 inch and I have always used Metprep in the saw. You can see more about it through the link below. Would advise you speak to their customer services to ensure it would work with a 10 inch blade.


    Hope this helps

    • Paul Gittins
    • October 5, 2020

    Thanks so much for your reply Dave, really appreciate it and it was really good of you to get in touch with the guy about second hand saws, thank you.
    I managed to get the reducer from Vitrex in the end and the saw is great for the smaller stuff as you say (still not totally comfortable with my fingers that close to the blade though although I know it can’t take them off as it’s a continuous blade, but still 🤦🏻‍♂️). The only downside is even with a thinner diamond blade it still takes off/wastes a fair bit of material as it cuts.
    I’ve been using tiny diamond cutoff discs with a foredom pendant motor and a cobbled together water drip system which is working ok for finer stuff.
    I just bit the bullet and ordered a Covington 10” automatic feed slab saw from the US which should be arriving this week. Excited and a little nervous haha.
    Would you have any recommendations on the type of oil/lubricant to be using as their recommended oil ‘Koolerant’ isn’t available here and they couldn’t send it. I cut a lot of agates and need something that isn’t flammable and preferably doesn’t stink too much!
    Thanks and sorry for firing more questions at you :-/

  1. Hi Rob,
    no I am sorry, but you might try these people I have always found then very helpful and products are good.

    • Robert Quinn
    • June 28, 2020

    Hi there,

    I’m trying to find some 70mm diamond coated wire rods but I can’t seem to find any.

    Would you know where I can find them?

    Thank you


    • Dave
    • June 16, 2020

    Hi Paul, yes this is a sad reality of the UK lapidary scene, unless you can build it yourself or get lucky on E bay with some second hand kit then it can get very costly. We found our old 8″ saw years ago on Ebay and its still plodding along.
    I don’t really keep up with equipment trends so can’t really recommend one to you. But what I would say, tile saws such as the Vitrex you mentioned are fine for thin slabs say up to 10mm or so thick, anymore than that and you need a bigger blade, for example the 8″ blade we have will cut up to 2″ thick but that’s about its limit.
    There was a chap who contacted me last year who had some second hand saws, I have written and asked his permission to pass his email address on to you.
    In the meantime keep an eye on Ebay as these saws were built like tanks and at worst may need new bearing or blades which are relatively inexpensive from Hans Lapidary https://lapidarytool.com/mall/diamond-lapidary-tools/lapidary-saw-blades.html
    Will get back to you if back from the other chap I mentioned.
    All the best

    • Paul Gittins
    • June 15, 2020

    Really finding your website a hugely valuable source of information because, as someone relatively new to lapidary in the UK, I’m finding it impossible to find equipment here without importing from the US with huge shipping costs and duty.
    I’d really appreciate any updates to the page on trim/slab saws you have and any recommendations on newer saws or models as the Vitrex 750 does not take 22mm bore blades as advertised (I bought one last week and am waiting for Vitrex to respond) and the Vitrex 800 is no longer made. I looked at the Vitrex 1100 but with a 16mm bore size and no reducer supplied, the choice of 250mm blades is non-existent otherwise it could be a great saw. So any recommendations you might have would be amazing, thank you!

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