LD - Posts





Search found 9145 matches
Re: Mozambique garnets from Barry

It's easy to prong set a cab. You don't often see them prong set though but it's most definitely do-able. The prongs need to be as high as where the stone starts to curve inwards so the prongs have to bend inwards and then the stone will be held by the tension. In the photo below the prongs are much...

by LD

May 16th, 2015, 2:40 am

Forum: Colored Stones

Topic: Mozambique garnets from Barry

Replies: 17

Views: 403
Re: Colour perception game/test

With age, apparently, your perception of blues and greens diminishes quicker than other colours. What's clear to me is when I do this new test that I struggle more with the blues - which makes sense. I've now got 36 but this new test is tough!

by LD

May 15th, 2015, 7:11 pm

Forum: Colored Stones

Topic: Colour perception game/test

Replies: 15

Views: 475
Re: Colour perception game/test

Arcadian|1431722715|3877218 wrote:I remember some years ago many of us did a color test

http://www.xrite.com/online-color-test-challenge



Yes I got a 0 in that one (perfect score) but in this new one I can't get better than 32. My friend has just got 42!!!!!!!!

by LD

May 15th, 2015, 3:48 pm

Forum: Colored Stones

Topic: Colour perception game/test

Replies: 15

Views: 475
Re: Mahenge Spinel Help Requested

Diamonds brought me to PS, but I've stayed and lurked in the CS forum. I am so intrigued by colored gems, and I have so much respect for all of the wisdom in this part of the forum. :appl: I have been on the hunt for an oval shape, red spinel for quite some time. Yesterday, I stumbled upon this vid...

by LD

May 15th, 2015, 5:58 am

Forum: Colored Stones

Topic: Mahenge Spinel Help Requested

Replies: 22

Views: 648
Re: What are these stones?

My guess would be aquamarine.

by LD

May 15th, 2015, 3:59 am

Forum: Colored Stones

Topic: What are these stones?

Replies: 6

Views: 311
Re: Csarite - Turkish Diaspore

It's interesting to read different opinions here. This gem has never appealed to me personally from what I've seen. Many collector gems are not very "attractive" - colorless hambergite looks like glass, most taaffeite and musgravite like very cheap spinel, some a soft, some are very small...

by LD

May 14th, 2015, 3:29 pm

Forum: Colored Stones

Topic: Csarite - Turkish Diaspore

Replies: 28

Views: 404
Re: GIA recalling some reports!

TL, you are right! On a another gemological forum which is online they think it could be some kind of "coating". Maybe GIA noticed this kind of treatment or a customer - I am sure GIA will "clean" them now. Surely that doesn't make sense? Wouldn't it make more sense that it was ...

by LD

May 14th, 2015, 2:50 pm

Forum: Colored Stones

Topic: GIA recalling some reports!

Replies: 16

Views: 503
Re: Mahenge Spinel Help Requested

I agree with what has already been said. It's a nice looking stone with a decent colour. It doesn't have the neon quality of a Mahenge that lots of people want but it's a lovely colour. One question you need to ask is how it performs in all lighting conditions and whether it blacks out at all. Defin...

by LD

May 14th, 2015, 12:20 pm

Forum: Colored Stones

Topic: Mahenge Spinel Help Requested

Replies: 22

Views: 648
Re: So MANY Labs I've Never Heard Of?

We did have a thread years ago that had copies of lab reports as well so that people could see what they looked like.

I think one lab that had really dodgy looking reports BUT was quite well respected was in Tokyo - I can't remember the name - Emil or Tokyo lab or something?????

by LD

May 14th, 2015, 12:17 pm

Forum: Colored Stones

Topic: So MANY Labs I've Never Heard Of?

Replies: 9

Views: 318
Re: Help to determine the price of a topaz stone

That's most definitely not a Topaz. That's more like a Jasper or an Aventurine. I'm pretty certain that this doesn't have much value and the value it does have is in the metal (if it's not a base metal) and its likeability. How much does the vendor want for it? Just for info - Topaz is a "cheap...

by LD

May 14th, 2015, 12:13 pm

Forum: Colored Stones

Topic: Help to determine the price of a topaz stone

Replies: 3

Views: 184
Re: Csarite - Turkish Diaspore

Much more reflective of accurate pricing!!!! http://www.gemporia.com/en-gb/jewellery/?gemstone=Csarite%C2%AE YES!! http://www.gemporia.com/en-gb/product/csarite-and-white-zircon-9k-gold-ring-atgw-1.78cts/iyps82/ This one is 215 £ - so lets say the Diaspore is around 75 £ with 1,7 ct -- so around 40...

by LD

May 14th, 2015, 8:33 am

Forum: Colored Stones

Topic: Csarite - Turkish Diaspore

Replies: 28

Views: 404

by LD

May 14th, 2015, 6:01 am

Forum: Colored Stones

Topic: Csarite - Turkish Diaspore

Replies: 28

Views: 404
Re: Need advice on searching a blue sapphire for engagement

I found a lot useful information here. Hope to get advice on my searching. Thank you so much for any suggestion. I am looking for a blue round sapphire for engagement ring, around 1.5-2ct, 7mm (for size 5.5 ring). I like medium blue (cornflower). Ok with heat treatment in order to lower the price, ...

by LD

May 14th, 2015, 5:04 am

Forum: Colored Stones

Topic: Need advice on searching a blue sapphire for engagement ring

Replies: 5

Views: 319
Re: Csarite - Turkish Diaspore

:D Yes, I am cynic... http://www.csarite.com/en/shop/index.html Look at the cheap unbelievable beaaaaaaauuuuuttttiiiiiifuull cabs. So cheap...... Read the describtion----EYECLEAN http://www.csarite.com/en/shop/10.html Normally they have to give me money to ad this to my collection... :D And I love ...

by LD

May 14th, 2015, 4:45 am

Forum: Colored Stones

Topic: Csarite - Turkish Diaspore

Replies: 28

Views: 404
Re: Help Identifying Stone

That looks very very very much like an Aqua. I think Prehnite would be more green/yellow. It could be chalcedony but it looks much more like an Aqua.

by LD

May 14th, 2015, 4:11 am

Forum: Colored Stones

Topic: Help Identifying Stone

Replies: 7

Views: 202
Re: Csarite - Turkish Diaspore

What would you like to know? I've been to the mine and so know quite a bit about this gemstone. Just to clear up some confusion about the name - this gemstone, when it hit the market about 10 years ago, was marketed as Zultanite. The name was made up by the two partners who owned the mine. Several ...

by LD

May 14th, 2015, 4:08 am

Forum: Colored Stones

Topic: Csarite - Turkish Diaspore

Replies: 28

Views: 404
Re: GIA recalling some reports!

They suddenly suspect this after doing 500 stones? :confused: This is a guess but I wonder if some of the stones were sold and the jeweller and/or customer looked at the colour of the diamond and compared it to the report and thought the GIA had gone mad so they re-submitted to the GIA? If a number...

by LD

May 14th, 2015, 4:01 am

Forum: Colored Stones

Topic: GIA recalling some reports!

Replies: 16

Views: 503
Re: Csarite - Turkish Diaspore

Those snowflakes are brilliant, I'm pretty sure it's cut by the Wobito brothers if I am not mistaken? I'd love to get my hands on some Csarite/Zultanite/Turkish Diaspore rough to cut into a stone for the wife. Unfortunately I don't think there are any lapidaries in Australia who would be able to cu...

by LD

May 14th, 2015, 3:56 am

Forum: Colored Stones

Topic: Csarite - Turkish Diaspore

Replies: 28

Views: 404
Re: Csarite - Turkish Diaspore

I don't intend to visit the mine but just thought it wise to investigate the stone before I head to Istanbul - I don't want to get caught up in the marketing hype. I shall certainly make a point of checking it out there though so I can see the colour change for myself. I don't think you can visit t...

by LD

May 14th, 2015, 3:48 am

Forum: Colored Stones

Topic: Csarite - Turkish Diaspore

Replies: 28

Views: 404
Re: New to colored stones, is this acceptable inclusion?

OP: I was the one who said I saw a chip but since no one else sees it, I'm starting to think that its a shadow or something? I see it in the first photo you posted (the top pic in your first post). What I think/thought was a chip on the girdle is to the immediate right of the left hand foreground p...

by LD

May 14th, 2015, 2:05 am

Forum: Colored Stones

Topic: New to colored stones, is this acceptable inclusion?

Replies: 18

Views: 572
Re: Csarite - Turkish Diaspore

What would you like to know? I've been to the mine and so know quite a bit about this gemstone. Just to clear up some confusion about the name - this gemstone, when it hit the market about 10 years ago, was marketed as Zultanite. The name was made up by the two partners who owned the mine. Several y...

by LD

May 14th, 2015, 2:00 am

Forum: Colored Stones

Topic: Csarite - Turkish Diaspore

Replies: 28

Views: 404
GIA recalling some reports!

This just dropped into my inbox. Although it's to do with diamonds, I know that we, in the CS forum, are very keen to know what's happening with labs and treatments. Rapaport Trade Alert May 12, 2015 … The Gemological Institute of America (GIA) has issued a laboratory alert recalling 424 diamond gra...

by LD

May 14th, 2015, 1:53 am

Forum: Colored Stones

Topic: GIA recalling some reports!

Replies: 16

Views: 503
Re: Alexandrite: looking for some advice on choosing a stone

NO - fine top gems like this one are not for jewellery - chipping, abrasions.... - please use commerial qualities - they are good enough. Again - just my opinion...sorry.. Oh dear then you'd be horrified to hear I wear one of my top grade Alex every day! So far, no abrasions or chips *keeping my fi...

by LD

May 10th, 2015, 7:07 am

Forum: Colored Stones

Topic: Alexandrite: looking for some advice on choosing a stone

Replies: 11

Views: 354
Re: What Does Ethical Mean to You?

This is a Bauxite Mine in Turkey that I was lucky to visit a few years ago so not all Bauxite is mined as suggested above ;)) . As a bi-product, it produces Csarite / Zultanite. The working conditions are very good for the miners.

by LD

May 9th, 2015, 4:52 pm

Forum: Colored Stones

Topic: What Does Ethical Mean to You?

Replies: 79

Views: 1437
Re: What Does Ethical Mean to You?

I visited a Tsavorite Garnet mine outside of Arusha in Tanzania. At first you felt really bad for the guys working there. The living conditions were bad compared to what we are used to. This first picture is the "bunk house" where the guys stayed while working the mine. tsavoritemine_1.jp...

by LD

May 9th, 2015, 4:45 pm

Forum: Colored Stones

Topic: What Does Ethical Mean to You?

Replies: 79

Views: 1437
Re: Emerald Dreams. is this a quality emerald?

I've purchased from Embassy Emeralds and can recommend them.. Good luck! Emeralds are one stone that I would only buy from a specialist. There are now reconstituted emeralds knocking around. Basically ground up Emeralds held together with glue (simplistic version) but some are difficult to determin...

by LD

May 9th, 2015, 4:41 pm

Forum: Colored Stones

Topic: Emerald Dreams. is this a quality emerald?

Replies: 11

Views: 483
Re: Purchasing Dyer Sapphire

I'm not certain of this (and it may have changed) but I'm pretty sure John Dyer doesn't sell to "people" - he only sells to retailers. Might be worth checking his website.

by LD

May 8th, 2015, 6:18 pm

Forum: Colored Stones

Topic: Purchasing Dyer Sapphire

Replies: 10

Views: 547
Re: Alexandrite: looking for some advice on choosing a stone

2 is awesome and yes - looks to good to be true ( synthetic) - IT ISN'T!!!!!! 3 - I like it 1 has no window - it is a window!! Have a similar stone - to flat to show a good change. 4 no course 2 and 3 are much better.... I would never set a quality like No. 2 - so fine !!! It looks like a synthetic...

by LD

May 8th, 2015, 4:16 pm

Forum: Colored Stones

Topic: Alexandrite: looking for some advice on choosing a stone

Replies: 11

Views: 354
Re: Help me ID these beads (I know, I know)

Thanks for the hints! I'm befuddled because apparently the clasp is 14k, which doesn't make sense for costume jewelry. I might have to buy it to figure it out :naughty: Having a precious metal clasp doesn't make something a high quality piece of jewellery. I consider them costume jewellery because ...

by LD

May 8th, 2015, 4:14 pm

Forum: Colored Stones

Topic: Help me ID these beads (I know, I know)

Replies: 13

Views: 316
Re: What Does Ethical Mean to You?

I know that it may not make a ton of sense, but for luxury goods (vacations, clothes, hobby stuff) I find it's often a priority for me to try and get an item I feel at least ok about ethically (for me that's environmentally first, followed closely by "fair trade"). I suppose it stems from...

by LD

May 8th, 2015, 4:06 pm

Forum: Colored Stones

Topic: What Does Ethical Mean to You?

Replies: 79

Views: 1437