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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 $401 NZD
$226 USD
As of November 1, 2026
Save $1,562 NZD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,963 NZD 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 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 November 1, 2026, with prices from $401 to $1,963, a $1,562 spread on the same certified stone. MOH London lists it at $1,963. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,963 NZD|Low: $371 NZD|High: $2,141 NZD|Avg: $1,152 NZD|-8.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7$401 NZD
Retailer 8$660 NZD
Retailer 5$722 NZD
Retailer 2$801 NZD
Retailer 3$1,188 NZD
Retailer 4$1,382 NZD
Retailer 6$1,632 NZD
Retailer 9$1,878 NZD
MOH London$1,963 NZD

42 data points across 9 retailers

12 retailers$401 NZD to $1,963 NZD

Retailer 1
-
$318 NZD
$179 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$401 NZD
$226 USD
View
Final sale: no returns
Retailer 3
-
$410 NZD
$231 USD
View
Price last confirmed 30 days ago
B+
Retailer 4
-
$660 NZD
$372 USD
View
A
Retailer 5
-
$722 NZD
$407 USD
View
B+
Retailer 6
-
$801 NZD
£356 GBP
View
B+
Retailer 7
-
$1,188 NZD
£527 GBP
View
B
Retailer 8
-
$1,382 NZD
CA$1,082 CAD
View
Retailer 9
-
$1,455 NZD
$820 USD
View
Price last confirmed 32 days ago
B
Retailer 10
-
$1,632 NZD
$920 USD
View
B
Retailer 11
-
$1,878 NZD
$1,059 USD
View
Most Expensive
B
MOH London
331140122 · Nov 1
$1,963 NZD
£871 GBP
View
11 more retailers have this diamond
Prices start from $401 NZDSave up to $1,562 NZD

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
$401 NZD