Big, round bottoms

[glowpear]

Would someone be able to tell me what the technical expression would be for those larger of gemstones whose pavilions are cut rounded, rather than the usual, pointy cone shape? I am looking to source some nice, round bottomed stones to go in a bowl shaped setting and I can't seem to explain myself properly.
Thanks in advance!
Glowpear.

[Dennis]

I have used cabochons with pointed pavillions, but not seen the reverse. if you don't get an answer here, contact AE Ward http://www.aewgems.co.uk/. They are always ready to help. Dennis.

[caroleallen]

Were you meaning these http://www.kernowcraft.com/products/...one-cabochons/

[glowpear]

Thank you both for your helpful replies. I have attached a picture (I think..) of what I mean - the profile of the line between the girdle and culet have been curved and it is the depth, or roundness, of this curve that I am having trouble expressing. It is generally only found in larger stones. Thanks Carole for your suggestion of faceted cabochons - that could be a practical solution, as long as the flat aspect is attractive enough to act as the table and that the domed aspect is deep enough.

I am looking for mandarin garnets of this cut - I saw quite a few of them at a trade fair last year and I am just kicking myself for not having bought any.

I will keep hunting.
Thanks again!
Glowpear

[springeth]

I quite like gempalace on etsy for round-bottomed microfaceted stones - you might be able to find something from them?

[Pauline]

Hi Glowpear

I've only been faceting gems as a hobby for a number of months, but I think you might be referring to the style that is called "Rose Cut"

Google it for some pics. Apols if it isn't exactly what you meant.

[glowpear]

Thanks for the suggestions! I will check out the gempalace and see if they have anything interesting. The trade fair I saw these stones at last year is taking place again in December so I can wait until then - I was just trying to do my research on prices as I am fairly new to garnets.

Thanks Pauline - I am no expert either but I believe a rose cut has no pavilion at all and is sort of flat underneath. Like Carole's suggestion it could work if I could get the crown height to be deep enough to invert and set upside down.

I've been in touch with Ward Gemstones and they are going to put their thinking caps on too. I have also taken pictures of a smoky quartz of this cut, as it may be clearer. The cut has a small crown height and a small culet, but a large, round pavilion.
Thanks again,
Glowpear

[lilia]

Not any help at helping you locate the stone, however which trade fair are you referring to?

[glowpear]

Hi there Lilia - it is the Mineralienmesse in Hamburg, which is where I live. In case you're interested - mineralien-hamburg dot de (I can't post a URL apparently). It may be unfair as I am fairly new to Hamburg but it is the only decent source of quality gemstones I have found here and is tragically only once a year. The only shop I know with anything close to a selection is shamefully expensive - the lady in there earlier this week attempted to sell me a 5mm cabochon chalcedony the colour of old dish water for over a hundred quid!

[silken]

These stones are quite popular at the moment and are mostly being marketed as rose cut cabochons, however, most have a completely flat table/base hence the categorisation as cabochons. Would your design call for the table to be faceted or not? You could try searching for something along the lines of a double table rose cut if it does or just go for a large rose cut cabochon if you don't mind the flat base. JoopyGems sells these both on etsy and on her website. She sells some beautiful 8mm hessonite garnet rose cuts.

http://www.joopygems.com/cabochons-a...ose-cut-round/
http://www.joopygems.com/cabochons-a...hon-8mm-round/