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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 $322 AUD
$226 USD
As of November 1, 2026
Save $1,253 AUD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,575 AUD 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 $322 to $1,575, a $1,253 spread on the same certified stone. MOH London lists it at $1,575. 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: $1,575 AUD|Low: $298 AUD|High: $1,718 AUD|Avg: $925 AUD|-8.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$322 AUD
Retailer 8$530 AUD
Retailer 5$579 AUD
Retailer 3$637 AUD
Retailer 2$947 AUD
Retailer 4$1,109 AUD
Retailer 6$1,310 AUD
Retailer 9$1,507 AUD
MOH London$1,575 AUD

43 data points across 9 retailers

12 retailers$322 AUD to $1,575 AUD

Retailer 1
-
$255 AUD
$179 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$322 AUD
$226 USD
View
Final sale: no returns
Retailer 3
-
$329 AUD
$231 USD
View
Price last confirmed 30 days ago
B+
Retailer 4
-
$530 AUD
$372 USD
View
A
Retailer 5
-
$579 AUD
$407 USD
View
B+
Retailer 6
-
$637 AUD
£353 GBP
View
B+
Retailer 7
-
$947 AUD
£524 GBP
View
B
Retailer 8
-
$1,109 AUD
CA$1,082 CAD
View
Retailer 9
-
$1,167 AUD
$820 USD
View
Price last confirmed 32 days ago
B
Retailer 10
-
$1,310 AUD
$920 USD
View
B
Retailer 11
-
$1,507 AUD
$1,059 USD
View
Most Expensive
B
MOH London
331140122 · Nov 1
$1,575 AUD
£871 GBP
View
11 more retailers have this diamond
Prices start from $322 AUDSave up to $1,253 AUD

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
$322 AUD