I need to make a large isomalt diamond ring by next weekend. It will be on top a 7" round so needs to be a decent size. I've seen shows make a mold from a glass diamond and then pour in the isomalt but where would I find a glass diamond and which mold materials do I need??? It would have been better if I had more lead time.

Thanks!

Michaels has some pretty large diamond stones over with the floral supplies...but not sure if its too large or not. They are about 4" - 5" across if I remember right. Michaels also has some silicone mold making stuff over with the clay.

Kitagirl -- you are a life saver!!! I'll run to Michael's tomorrow to check it out.

I picked up the glass diamond today from Michaels. I was afraid to buy the mold materials since I want to use isomalt which is a high temp. Anyone know which mold material I should buy to make a 3D isomalt diamond? Thanks!

I found two mold making kits at Michales. One was like putty which I didn't think would work to pour Isomalt into.

The other one was good at temps up to 300.

The one I got was like two jars of putty you mix together and make a mold out of. Its silicone and I have used it with isomalt with no problems at all. It will take a lot of it to make a mold of the large diamond though.

Thanks Kitagrl for all your help. Any idea how to use that to pour isomalt into to make the 3D mold? If I make molds for the two halves of the diamond, how will I pour the Isomalt and have it now seep out? If I completely cover the glass dimond how would I get it out of the mold -- lol? Sorry I sound so clueless.

Hobby Lobby also has 2 different sizes of glass diamonds in case you didn't find the right size at Michaels. They are usually at the "impulse-buying" area near the registers!

I found the perfect sized diamond but now just have to figure out how to make a mold.

Since no one is going to bite into an isomalt diamond that big....Have you considered making a gumpaste band for the faux diamond you have???

I mean they wouldnt eat the cake topper would they?? So, maybe you could save some time and money and use the diamond you have.....Just a thought


good Luck!

nancyg -- that's a good idea but I really like the idea of a sugar diamond.

Hi PinkLisa,

Here is a step by step on how to make a diamond mold. This appeared in CakeCentral magazine in the April/May issue.

I would not recoomend that you use a putty silicone for this project. The materials you buy at Micheals cure very quickly which will make it difficult for you to make an accurate mold. Most importantly, a diamond of the size you want to make creates alot of pressure inside the mold when poured. Hot sugar seeping out of your mold can be very disappointing and dangerous.

Hope You Enjoy the Tutorial,

Dominic

Hi, isn,t dominic the best . He always comes through!!

WOW!! Thank you very much Dominic! I will try this but am unsure if I can get everything for my Friday cake. I made one with the putty mold at Michels which was okay. I just left the top open (the flat part). I followed your instructions for Isomalt and still got a slight yellow color. The only thing I didn't do is use distilled water. I'm going to get some today and try it again. I'll got check out your website and see how soon I can get the materials. If not for this cake, I definitely want to perfect this technique for a future cake. Thanks!!!

great tutorial!

Thanks for the tutorial Chef! It's awesome the way you make it look sooooo simple.

Jobueno, lyndim, PinkLisa, icer101,

My Pleasure, I'm always glad to help out.

Dominic

Awesome tutorial, thank you!!

CakeCrystals,

Sorry about the delay, I hope you don't think I forgot about you. I was getting the tutorial ready for my website, so that it could be accessed with ease. Its ready and online now, so feel free to take a look and if you have any other questions feel free to ask.
It can be found here, how to make a diamond mold

I hope this helps!

Thanks Dominic and no, I didn't think that you forgot me, I know how busy you are.

Thanks so much for this tutorial. It will be a great tool for my cake arsenal.

One more question. Will you be making this into a kit?

Hot damn! I never seen that one before!!! I will bite that one off and make one too! Nice one Dominic!

OMG Chef! I made a few diamond molds! They came out so hot! This is so simple to make! Awesome mold to have!

slice of heaven website has a large silicone mold you can buy. I bought mine for 12.99 and it was way easier than making a mold myself. It was really easy to do.

Silicone Zone makes a large diamond mold that you can safely pour isomalt in.  It takes about 12 hours to harden enough to remove but it comes out easily and is quite attractive.  Except for one small detail-- you have to pour through a hole in the top and I keep getting a circle in the top from the pour hole.  Ugh.  Still experimenting-- don't know if I need less or more isomalt in the mold.

So happy to see your post.  I bought a mold as you described.  It has a pour hole in the top of the mould, which is leaving a circle in the top of the diamond.  Do I need less or more isomalt in the mould to eliminate that?  I'm new to isomalt and this is all so fascinating!