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Princess|Lab Grown|IGI

1.57ct H SI1 Princess Lab Grown Diamond

VG • H/SI1

Diamond specifications and retailer prices

From £999 GBP
CA$1,859 CAD
As of October 30, 2026
5 retailers carry this diamond
Most expensive: £999 GBP at Diamond Exchange Canada
View at Diamond Exchange Canada

About this 1.57ct lab-grown princess diamond

This 1.57ct lab-grown princess sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI. Listed at 5 retailers as of October 30, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.57
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions6.47 × 6.26 × 4.25 mm
L/W Ratio1.03
Top View
6.47 mm6.26 mm1.57 ctH / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI
Side View
Table 69.5%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £999 GBP|Low: £129 GBP|High: £999 GBP|Avg: £344 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 13, 2026
Retailer 3£139 GBP
Retailer 8£161 GBP
Retailer 4£172 GBP
Retailer 5£172 GBP
Retailer 2£254 GBP
Retailer 7£268 GBP
Retailer 6£613 GBP
Diamond Exchange Canada£999 GBP

24 data points across 8 retailers

5 retailers

Retailer 1
-
£134 GBP
$180 USD
Price last confirmed 41 days ago
Retailer 2
-
£156 GBP
$209 USD
View
Price last confirmed 39 days ago
Retailer 3
-
£161 GBP
$216 USD
View
Price last confirmed 19 days ago
Retailer 4
-
£164 GBP
$220 USD
View
Price last confirmed 40 days ago
Most Expensive
B
Diamond Exchange Canada
1986531639 · Oct 30
£999 GBP
CA$1,859 CAD
View
4 more retailers have this diamond

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
1.57ct Princess
£999 GBP