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Sheer curiosity: What's the biggest decent lab diamond for around $1K or less?

glitterata

Ideal_Rock
Joined
Apr 17, 2002
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I'm not in the market, but I'm curious about how big a diamond it's possible to get these days on a $1K budget--or, conversely, how much you'd have to spend for a clean, white, decently cut diamond big enough that it would have been considered jaw-droopingly huge a decade ago.

I chose a somewhat arbitrary price cutoff of $1k and looked at F-D, VVS2 and above. I found (rounding the carat sizes):
1. 4 carat E VVS2, HTTP, for a little bit more than $900
Here are its proportion--a touch steep/deep, putting it out of the PS preferences:
Screenshot 2025-06-01 at 2.25.45 PM.png

2. 4.3 carat F VVS2, CVD, for a tiny bit less than $900. I saw a bit of graining, but not bad:
Here are its proportions, very similar to the previous one:
Screenshot 2025-06-01 at 2.28.15 PM.png


Bumping the budget up to just over $1K, I found:
3. 5.2 carat E VVS2, CVD.
Here are its proportions, also not in the PS preferences--this time too shallow:
Screenshot 2025-06-01 at 2.30.35 PM.png
This one has too much graining--I wouldn't buy it myself.
Still, it's over 5 carats, technically ideal cut, for $1K.

I know none of these are in the PS recommended proportions, and the 5+ carater has graining issues. But how would they look to most people? Ugly, good, great?

And has anyone found better choices in the $1K range?
 
For a ring or a pendant?
 
Emerald or Asscher should get bogged for your $1k?
B2C are usually very low prices but they have not updated their prices here for a long time.
They may not be a sponsor in the future as they are not getting enough business from PS.
 
Either? (Is one of these good for a ring and one for a pendant?)
Without the right lowers 40.4pa is better in a pendant.
With the right lowers it can be ok in a ring with the right crown.
 
A @joe2 special is what your looking for *grin*
 
I'm not actually planning to spend $900+ on a 4 or 5+ carat ring OR pendant. But I'm absolutely fascinated by how far the prices have fallen.

The retail margin on those stones is still higher than for natural diamonds. So while the wholesale cost is continuing a 3-5% fall per month, the retail prices still have a long way to fall once real competition and oversupply strike.
 
The retail margin on those stones is still higher than for natural diamonds.
Yes, margins on a $1000 item have to be a higher percentage than a $10000.00 item just to cover fixed costs much less any profit.
They can not be sold at natural diamond margins for comparable specs, no one could stay in business.
 
Yes, margins on a $1000 item have to be a higher percentage than a $10000.00 item just to cover fixed costs much less any profit.
They can not be sold at natural diamond margins for comparable specs, no one could stay in business.

Yet we get the same affiliate commission for PS so we get a falling fraction :-(
 
As someone that works in the wedding industry - most diamonds are lab diamonds these days. And they are bigger than when I got engaged over 20 years ago BUT they are not this big. Most rings I see are between 1.5 and 3 carats (tops) in size. VERY white and not round. Lots of ovals and cushions. Usually the ring is also more than a basic solitaire. Unique designs or at the very least with stones on the band. Lots of colored stones instead of diamonds too. But also synthetic - not natural.

So while the rings are definitely bigger and generally just “more” than what was popular when I got engaged (1 carat was like the magic number for a “big” ring) they are not as outrageous as you might expect given lab prices.
 
As someone that works in the wedding industry - most diamonds are lab diamonds these days. And they are bigger than when I got engaged over 20 years ago BUT they are not this big. Most rings I see are between 1.5 and 3 carats (tops) in size. VERY white and not round. Lots of ovals and cushions. Usually the ring is also more than a basic solitaire. Unique designs or at the very least with stones on the band. Lots of colored stones instead of diamonds too. But also synthetic - not natural.

So while the rings are definitely bigger and generally just “more” than what was popular when I got engaged (1 carat was like the magic number for a “big” ring) they are not as outrageous as you might expect given lab prices.

With your experiance Jax, would you be interested in helping promote our wedding related forum?
We are re-looking at them and how best to organize it all.
 
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Alex Park routinely has stones in this range
Oval 2.54 E VS2 $930

From what I’ve seen in LA, a 2.5 oval is standard, and that price isn’t asking anyone to shell out 1-3 months of their salary as proof of their love.

Granted there are plenty of ppl shy about being too cheap on a e-ring, and most ppl aren’t savvy enough to shop through Alex or Loosegrowndiamond. But again, I’m all for the democratization of diamonds.

 
Two-minute check. May be ok. VS1. I'm sure there is a better option out there.
https://www.adiamor.com/Lab-Diamond...Nmks26-T8AwSUY5bfVQbpvzWqC1XmeQO-JMv9xJTjhHs2

$1060.00 @ calavera

You did it again.
That is a sweet diamond for someone looking for a 5ct.
The crystal is not perfect but should be eye fine.
I dont know how you keep finding these.
You rock!
 
Two-minute check. May be ok. VS1. I'm sure there is a better option out there.
https://www.adiamor.com/Lab-Diamond...Nmks26-T8AwSUY5bfVQbpvzWqC1XmeQO-JMv9xJTjhHs2

$1060.00 @ calavera


So I bought it. Price matched it and bought it from Adiamor. It arrived today. Photos and videos comparing it to my next largest stone of which I paid way more for a 4.12 H VS2. It is positively massive. With the sale they had on settings when I bought it the total cost for this ring was about $1500.

 
I have been toying with a similar idea. What is the largest pear lab (eye clean etc) I can get for just below 4000 USD. Seems like 10 ct would be reachable. Not long ago there seemed to be an upper limit on carat weight but that is not the case today. Wondering if carat weight will soon not be the biggest parameter in calculating price for a lab...
 
I toyed with the idea of replacing my 5ct Moissy heart in a pendant with a LGD, however, I would rather spend the money on a strand of blue Tahitians first.

DK :))
 
I have been toying with a similar idea. What is the largest pear lab (eye clean etc) I can get for just below 4000 USD. Seems like 10 ct would be reachable. Not long ago there seemed to be an upper limit on carat weight but that is not the case today. Wondering if carat weight will soon not be the biggest parameter in calculating price for a lab...
There are several 10ct+ for < $4000.00, most have issues.


It's $1949.00 @ Calavera

This one appealed to me (shape and crown), but I don't know squat.

It's $4021.00 @ Calavera
 
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Hmm 10ct pears, you have to be very picky because at 1ct small negative things are small, the same at 10ct is large.
With naturals at 10ct its a bit you take what you can get not so much with lab.
Both have a lot going on, the second is better of the 2 your right Joe2 but not high level.
 
@joe2 @Karl_K
I am not looking to buy atm, but the discussion is very interesting. I think we all expect perfection with a lab, not so much with a mined at 10 ct. And I agree with this, why not expect the best when the price makes that possible.
But my search makes me think that prices may fall even further.
I am not even sure what to do with a 10 ct diamond.. would probably have to be in a pendant.
 

1750416604677.png

Thank you for this link, I had completely missed that! Really interesting! Especially the development in the higher carats is... Wow.
 
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