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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 $1,339 USD
CA$1,859 CAD
As of October 30, 2026
6 retailers carry this diamond
Most expensive: $1,339 USD 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 6 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
Color
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: $1,339 USD|Low: $173 USD|High: $1,339 USD|Avg: $466 USD
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 13, 2026
Retailer 3$186 USD
Retailer 8$216 USD
Retailer 4$231 USD
Retailer 5$231 USD
Retailer 2$341 USD
Retailer 7$359 USD
Retailer 6$821 USD
Diamond Exchange Canada$1,339 USD

25 data points across 8 retailers

6 retailers

Retailer 1
-
$180 USD
Price last confirmed 39 days ago
Retailer 2
-
$209 USD
View
Price last confirmed 37 days ago
Retailer 3
-
$216 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$220 USD
View
Price last confirmed 38 days ago
Retailer 5
-
$341 USD
£268 GBP
View
Price last confirmed 18 days ago
Most Expensive
B
Diamond Exchange Canada
1986531639 · Oct 30
$1,339 USD
CA$1,859 CAD
View
5 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
$1,339 USD