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Princess|Lab Grown|GCAL

1.59ct F SI1 Princess Lab Grown Diamond

EX • F/SI1 • GCAL 321120134

Shape and cutting style on the report: Princess

Certificate GCAL 321120134

Diamond specifications and retailer prices

From $263 SGD
$206 USD
As of November 2, 2026
Save $1,180 SGD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,444 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.59ct lab-grown princess diamond

This 1.59ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 321120134. Listed at 12 retailers as of November 1, 2026, with prices from $263 to $1,444, a $1,180 spread on the same certified stone. MOH London lists it at $1,444. 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

1.59
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39°
Pavilion angle37°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 321120134
Dimensions6.46 × 6.24 × 4.36 mm
L/W Ratio1.04
Culet sizeNone
Top View
6.46 mm6.24 mm1.59 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 321120134
Side View
Table 69.0%Crown 39°Girdle: THK-THKPavilion 37°Culet: NoneDepth 69.8%

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 2
Current: $1,444 SGD|Low: $235 SGD|High: $1,452 SGD|Avg: $776 SGD|+6.5%
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 2, 2026
Retailer 4$263 SGD
Retailer 10$295 SGD
Retailer 9$326 SGD
Retailer 11$486 SGD
Retailer 7$504 SGD
Retailer 5$586 SGD
Retailer 2$872 SGD
Retailer 6$1,021 SGD
Retailer 12$1,159 SGD
Retailer 8$1,205 SGD
Retailer 3$1,378 SGD
MOH London$1,444 SGD

44 data points across 12 retailers

12 retailers$263 SGD to $1,444 SGD

A
Cheapest Retailer
-
$263 SGD
$206 USD
A
Retailer 2
-
$295 SGD
$231 USD
View
Final sale: no returns
A
Retailer 3
-
$326 SGD
$255 USD
View
B+
Retailer 4
-
$486 SGD
$380 USD
View
A
Retailer 5
-
$504 SGD
$394 USD
View
B+
Retailer 6
-
$586 SGD
£361 GBP
View
B+
Retailer 7
-
$872 SGD
£537 GBP
View
B
Retailer 8
-
$1,021 SGD
CA$1,109 CAD
View
B
Retailer 9
-
$1,159 SGD
$906 USD
View
B
Retailer 10
-
$1,205 SGD
$942 USD
View
B
Retailer 11
-
$1,378 SGD
$1,078 USD
View
Most Expensive
B
MOH London
321120134 · Nov 1
$1,444 SGD
£889 GBP
View
11 more retailers have this diamond
Prices start from $263 SGDSave up to $1,180 SGD

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
1.59ct Princess
$263 SGD