Princess|Lab Grown|GCAL

1.59ct G SI1 Princess Lab Grown Diamond

EX • G/SI1 • GCAL 331140122

Shape and cutting style on the report: Princess

Certificate GCAL 331140122

Diamond specifications and retailer prices

From $226 USD
As of October 30, 2026
Save $887 USD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,113 USD at MOH London · As of October 29, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 331140122. Listed at 12 retailers as of October 29, 2026, with prices from $226 to $1,113, a $887 spread on the same certified stone. MOH London lists it at $1,113. 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle40.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 331140122
Dimensions6.59 × 6.57 × 4.62 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.59 mm6.57 mm1.59 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 331140122
Side View
Table 71.0%Crown 34°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 70.4%

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: Oct 30
Current: $1,113 USD|Low: $209 USD|High: $1,207 USD|Avg: $649 USD|-7.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 7$226 USD
Retailer 8$372 USD
Retailer 5$407 USD
Retailer 2$448 USD
Retailer 3$669 USD
Retailer 4$779 USD
Retailer 6$920 USD
Retailer 9$1,059 USD
MOH London$1,113 USD

42 data points across 9 retailers

12 retailers$226 USD to $1,113 USD

Retailer 1
-
$179 USD
Price last confirmed 29 days ago
A
Retailer 2
-
$226 USD
View
Final sale: no returns
Retailer 3
-
$231 USD
View
Price last confirmed 28 days ago
B+
Retailer 4
-
$372 USD
View
A
Retailer 5
-
$407 USD
View
B+
Retailer 6
-
$448 USD
£353 GBP
View
B+
Retailer 7
-
$669 USD
£527 GBP
View
B
Retailer 8
-
$779 USD
CA$1,082 CAD
View
Retailer 9
-
$820 USD
View
Price last confirmed 31 days ago
B
Retailer 10
-
$920 USD
View
B
Retailer 11
-
$1,059 USD
View
Most Expensive
B
MOH London
331140122 · Oct 29
$1,113 USD
£876 GBP
View
11 more retailers have this diamond
Prices start from $226 USDSave up to $887 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
1.59ct Princess
$226 USD