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Princess|Lab Grown|IGI

1.57ct G SI1 Princess Lab Grown Diamond

EX • G/SI1

Diamond specifications and retailer prices

From $1,339 USD
CA$1,859 CAD
As of November 5, 2026
2 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of November 5, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.57
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions6.33 × 6.17 × 4.47 mm
L/W Ratio1.03
Top View
6.33 mm6.17 mm1.57 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 65.5%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 72.4%

Caratlytics Score

How it works →
C
Average
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Price History

Last verified: Nov 5
Current: $1,339 USD|Low: $177 USD|High: $1,339 USD|Avg: $479 USD
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 13, 2026
Retailer 3$191 USD
Retailer 8$221 USD
Retailer 4$237 USD
Retailer 5$237 USD
Retailer 2$338 USD
Retailer 7$363 USD
Retailer 6$840 USD
Diamond Exchange Canada$1,339 USD

21 data points across 8 retailers

2 retailers

Retailer 1
-
$221 USD
Price last confirmed 24 days ago
Most Expensive
C
Diamond Exchange Canada
1986531605 · Nov 5
$1,339 USD
CA$1,859 CAD
View
1 more retailer has 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.

C
1.57ct Princess
$1,339 USD