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Princess|Lab Grown|GCAL

1.57ct G SI1 Princess Lab Grown Diamond

EX • G/SI1 • GCAL 320910229

Shape and cutting style on the report: Princess

Certificate GCAL 320910229

Diamond specifications and retailer prices

From $199 USD
As of November 6, 2026
Save $894 USD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,093 USD at MOH London · As of November 2, 2026
View at MOH London

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 GCAL 320910229. Listed at 12 retailers as of November 2, 2026, with prices from $199 to $1,093, a $894 spread on the same certified stone. MOH London lists it at $1,093. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle43°
Pavilion angle36.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 320910229
Dimensions6.32 × 6.18 × 4.35 mm
L/W Ratio1.02
Culet sizeNone
Top View
6.32 mm6.18 mm1.57 ctG / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 320910229
Side View
Table 68.0%Crown 43°Girdle: THK-THKPavilion 36.2°Culet: NoneDepth 70.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,093 USD|Low: $177 USD|High: $1,194 USD|Avg: $620 USD|-8.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4$199 USD
Retailer 10$247 USD
Retailer 11$368 USD
Retailer 8$397 USD
Retailer 2$400 USD
Retailer 6$441 USD
Retailer 5$655 USD
Retailer 7$769 USD
Retailer 12$878 USD
Retailer 9$908 USD
Retailer 3$1,048 USD
MOH London$1,093 USD

45 data points across 12 retailers

12 retailers$199 USD to $1,093 USD

A
Cheapest Retailer
-
$199 USD
A
Retailer 2
-
$247 USD
View
B+
Retailer 3
-
$368 USD
View
A
Retailer 4
-
$397 USD
View
A
Retailer 5
-
$400 USD
View
B+
Retailer 6
-
$441 USD
View
B+
Retailer 7
-
$655 USD
View
B
Retailer 8
-
$769 USD
View
B
Retailer 9
-
$878 USD
View
B
Retailer 10
-
$908 USD
View
B
Retailer 11
-
$1,048 USD
View
Most Expensive
B
MOH London
320910229 · Nov 2
$1,093 USD
£861 GBP
View
11 more retailers have this diamond
Prices start from $199 USDSave up to $894 USD

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.

A
1.57ct Princess
$199 USD