Shopping Discussion

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Poll: What is most important in your ONLINE diamond shopping experience?

  • Total votes: 594. You have voted on this poll.
Price
 
337
57%
Selection
 
42
7%
Reputation
 
153
26%
Information
 
31
5%
Addons (warranties, trade up policies, free cleanings)
 
6
1%
Location (Canada, U.S.)
 
4
1%
Customer Service, purchase assistance
 
21
4%
[OP]
Deal Addict
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Jul 29, 2013
1232 posts
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bbbzeng wrote: Hi DiamondShopper,

I would like to get your expert opinion on this diamond and whether it is a good value given the price (~16K incld platinum band), total weight 1.59 ctw

Thanks
hi Sorry for the late reply

A couple things, the diamond was graded in 2018 so you may want to inquire why it has been around for so long.
The cut can really go either way depending on how the crown angle was rounded up or down, it might seem small but can make a big difference.
Lastly VVS2 is really overkill in terms of clarity, which has no impact on the look of the diamond in most cases without magnification.
The price seems on the high side especially if the band is 1.59ct including the center stone
[OP]
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ssj37346 wrote: Would this be a good time to buy an engagement ring? I'm thinking there could be deals out there because of the current global situation going on.
With diamonds most of the deals you see are gimmicks where stores inflate the retail value to create the perception of a deal.
In reality the most I have ever seen diamonds decrease in price in a quarter was 7%. Currently in the wholesale market there was a decrease of about 5-6% 3 months ago anticipating a fall off in sales in China.
Since then nothing has decrease. When demand dips the suppliers put out less to keep the market prices at a certain level. You will net way better savings looking for a seller that hasnt had their goods pass through too many middle men
or has a more conservative markup.
[OP]
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Jul 29, 2013
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Hi,

The crown and pavilion look pretty good to me. The face up size is average. I would guess there is some extra weight here and there as it is rare to find truly good cutters that work on lab grown diamonds.
You cant really evaluate light performance from the videos on James Allen as the diamond is shot in a diffused lighting environment mainly to show clarity and nothing else. You the dark spots you see can be any number of things
and most not related to light performance. All in all the cut look pretty good to me the symmetry is really good down to fine details which usually indicates a pretty good cut.

I cant really comment on the price as it gets taken down once the diamond goes on hold but for the most part JA can be expensive for their diamonds.
IGI has labs in different countries and some of their locations can be alot more lax than others. Ive seen lab grown diamonds easily off by 1-2 color or clarity grades.
Newbie
May 18, 2020
2 posts
Hi diamond shopper,

Just wondering what your opinion is on these lab diamonds (girlfriend prefers size and told me outright lab was fine):
  1. https://www.brilliantearth.com/lab-diam ... l/8842706/
  2. https://www.brilliantearth.com/lab-diam ... l/8777594/
  3. https://www.brilliantearth.com/lab-diam ... l/9134152/
  4. https://www.brilliantearth.com/lab-diam ... l/8557986/
  5. https://www.brilliantearth.com/lab-diam ... l/9013116/
I searched based on filters from your recommendations for table, depth %, etc. and also plugged in the numbers from the reports to https://www.diamondscreener.com/cut-estimator/ to check the proportions.

Any insight would be greatly appreciated!

Thank you for the wealth of information in this thread!
[OP]
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Jul 29, 2013
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accountant86 wrote: Thank you for checking it out for me!

Yes, I think the biggest challenge for us with lab diamonds is that the certification seems more lax than with earth diamonds. Keeping fingers crossed that this diamond is close to the certification!

May I know what you mean by the below?
Thanks again!
With lab grown diamonds they have one thing working in their favor and one against regarding cut. The rough for labgrown a is much less costly so cutters don’t have to be as conservative with waste. This means most labgrown will be decently cut unlike mines where there is a real mixed bag.

On the other side the best cutting houses in the world can’t be bothered with lab grown diamonds as they are just not as lucrative. I only know a couple of really good cutting facilities that do lab grown diamonds.

On the lab grading you will want to know which IGI location graded the diamond. They are not all equal.
[OP]
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Jul 29, 2013
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felttabby wrote: Hi diamond shopper,

Just wondering what your opinion is on these lab diamonds (girlfriend prefers size and told me outright lab was fine):
  1. https://www.brilliantearth.com/lab-diam ... l/8842706/
  2. https://www.brilliantearth.com/lab-diam ... l/8777594/
  3. https://www.brilliantearth.com/lab-diam ... l/9134152/
  4. https://www.brilliantearth.com/lab-diam ... l/8557986/
  5. https://www.brilliantearth.com/lab-diam ... l/9013116/
I searched based on filters from your recommendations for table, depth %, etc. and also plugged in the numbers from the reports to https://www.diamondscreener.com/cut-estimator/ to check the proportions.

Any insight would be greatly appreciated!

Thank you for the wealth of information in this thread!
If you can narrow the options down to one or two I would be happy to give some feedback.

Going forward only posting 1-2 diamonds will allow me to get to more posts.
[OP]
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Jul 29, 2013
1232 posts
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No problem!!

The first lab diamond looks pretty decent in terms of specs, not quite what I would call "super ideal" but definitely better than average.
The crown, pavilion table and depth all work together so the light performance should be pretty good. It also has a good face up size for its weight.
The main concern is that there is no image, IGI is not GIA in terms of reliability so I would insist on getting imaging before ordering so you can see if the VS2 is fair and if the G is fair. I doubt both
wll be bang on but you can hope they are close. IF everything checks out the price is not bad, big "if" though.

The second diamond I would rule out completely. From the video it looks more like an I color to me, and the cut is not great at all. The crown and pavilion are both steep which will lead to a lot of light leakage.
Its really beyond me how they can call a diamond like that super ideal. To show what I mean I attached what is called an ASET image below. Basically this tool color codes the light coming off a diamond so you can evaluate the light performance.
As you can see when you compare to an ideal cut diamond on the far left there is much more light leakage and less bright areas in the table and around the edge of the diamond. This will also affect the appearance of color as brilliance helps to drown out
the look of color.

Image
Images
  • RFD2230.jpg
Newbie
Oct 17, 2018
15 posts
2 upvotes
Hi DiamondShopper,

What do you think of these two diamonds and the price point? I know you said in previous posts that BrilliantEarth marks up the prices a little, but do you know by how much?

https://www.brilliantearth.com/rings/cy ... id=3015399
GIA Report: https://www.brilliantearth.com/media/im ... b253e1.jpg

https://www.brilliantearth.com/rings/cy ... id=3015399
GIA Report: https://www.brilliantearth.com/media/im ... 68f564.jpg
Member
Dec 19, 2010
274 posts
21 upvotes
Hi DiamondShopper,

Would you recommend shopping for a diamond from Costco? From the reviews, it seems that the appraisal values for these diamonds are often times higher than what the buyers paid for.

In particular, would you recommend buying the following diamond ring?
https://www.costco.ca/three-stone-round ... 58556.html
Member
Feb 22, 2015
391 posts
132 upvotes
Ontario
This is a question for anyone: Do we get charged tax and duties when ordering from the US on sites like JamesAllen and BrilliantEarth?
Newbie
Aug 17, 2009
23 posts
5 upvotes
Hi DiamondShopper,

Can i get your opinion on this diamond please. Price is $18,000 just for the diamond itself.
Capture.JPG
Thanks
[OP]
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Jul 29, 2013
1232 posts
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Nobles wrote: Hi DiamondShopper,

What do you think of these 2 diamonds:
https://www.jamesallen.com/loose-diamon ... ku-8819204
https://www.jamesallen.com/loose-diamon ... ku-8819188

Appreciate what you do. Thank you!
Glad the thread has been helpful!

The first diamond you linked to I would definitely suggest avoiding. The face up size is roughly 9 by 6.9 which is smaller than what you would expect from most decent cut 1.5ct diamonds. There is very little info available to me
as James Allen restricts the GIA report information to prevent price shopping but you can see from the video that the girdle of the diamond is very very thick. This is detrimental both in that it is the widest area of the diamond so added
thickness just contributes to the weight without the look of size. Also when a girdle is too thick it distorts the light performance. The diamond is also a very low SI1 with scattered black inclusions all over the diamond, likely there are only a few of these
inclusions but because of their position in the diamond they reflect every where making it look like there are more inclusions. You would usually want to avoid diamonds like this the clarity grade is based on the actual inclusions not the look of them so the diamond
gets an SI1 but because of the reflections and mirroring it actually looks like an SI2. Last, I cant say for sure but the color looks to have bit of a dark tinge to it, typically you fair better with color grades based on lighter tones. Definitely on this one there is a reason it is priced low
for a 1.9ct, your getting less than your paying for.

The second diamond is very similar to above just a bit better of an SI1. With fancy shape diamonds (anything not round) its is really tough for the average consumer to pick one out online without any guidance as there are so many things that can go wrong and
the lowest priced options for a given set of specs are usually a bad value as the issues outweigh the savings. My advice for oval shape diamonds is to first try to figure out what ratio of length to width you like, wider, thinner or average oval shape. Then you will want to find
the largest face up size diamond without it being too shallow that it causes what is called a bowtie effect. With fancy shape diamonds it is best to ignore the carat weight and focus on how large they look. There is no cut grade for fancy shape diamonds graded by GIA so cutters
have the ability to cut them really nice or really poorly without most knowing the difference. Definitely avoid girdles that are overly thick as this will reduce the look of size. H SI1 and even SI2 can be great specs if you know what to look for. Ovals show more color than rounds
so H color can show a bit more color if not chosen properly.

Your budget will allow for some nice looking diamonds in the range of 1.5-1.7ct in the H SI1-2 range possibly even G color. If you pay attention to visible size in mm you can easily find a diamond that will cost less than look larger and better than the options you linked to.
[OP]
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Jul 29, 2013
1232 posts
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Jenson1989 wrote: Hi DiamondShopper,

What do you think of these two diamonds and the price point? I know you said in previous posts that BrilliantEarth marks up the prices a little, but do you know by how much?

https://www.brilliantearth.com/rings/cy ... id=3015399
GIA Report: https://www.brilliantearth.com/media/im ... b253e1.jpg

https://www.brilliantearth.com/rings/cy ... id=3015399
GIA Report: https://www.brilliantearth.com/media/im ... 68f564.jpg
The first diamond you linked to is a decent SI2, the wisps are a bit dark but should be eye clean. With high color diamonds D-F you usually want to avoid fluorescence except for faint as the diamond can show a bit blue in UV light.
The cut is average for a GIA XXX as it is a bit deep and the crown a bit steep. price wise I would say it is ok, at this size of diamond there might be $1-200 difference between retailers.

The second diamond I think has a luster issue from the fluorescence, as it look a bit milky in the video. The cut also is not the greatest as the crown and pavilion angles are both steep. It is also a low SI1 as you can see there is a fair sized black inclusion right in the center.
The price on this one might seem low compared to others but the issues above make it a poor value and I think a high margin item.

I think Brilliant Earths margins vary for each diamond but in general I would say they are more expensive than most other major online sites. As well they call every diamond that is GIA excellent Super Ideal which is not helpful to consumers at all as this is far from the
truth for both of the diamonds you linked to. Generally speaking if you pick the least expensive options for a given set of specs this dosent represent value as there can be alot of issues with diamonds that are not apparent to some one without experience and it is likely at
the low price given the issues you are over paying for what you are getting. In this case you would be better off lowering the color and finding a nice SI2 that is very well cut.

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