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Princess|Lab Grown|GCAL

1.59ct G SI1 Princess Lab Grown Diamond

VG • G/SI1 • GCAL 320280288

Shape and cutting style on the report: Princess

Certificate GCAL 320280288

Diamond specifications and retailer prices

From $530 AUD
$372 USD
As of October 30, 2026
Save $1,054 AUD (67%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,584 AUD 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 very-good cut grade and certified by GCAL 320280288. Listed at 8 retailers as of October 29, 2026, with prices from $530 to $1,584, a $1,054 spread on the same certified stone. MOH London lists it at $1,584. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.59
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle44.5°
Pavilion angle37.6°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 320280288
Dimensions6.24 × 6.24 × 4.53 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.24 mm6.24 mm1.59 ctG / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 320280288
Side View
Table 67.0%Crown 44.5°Girdle: THK-THKPavilion 37.6°Culet: NoneDepth 72.6%

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: $1,584 AUD|Low: $444 AUD|High: $1,718 AUD|Avg: $982 AUD|-7.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 7$530 AUD
Retailer 5$579 AUD
Retailer 2$637 AUD
Retailer 3$953 AUD
Retailer 4$1,109 AUD
Retailer 6$1,310 AUD
Retailer 8$1,507 AUD
MOH London$1,584 AUD

42 data points across 8 retailers

8 retailers$530 AUD to $1,584 AUD

B+
Cheapest Retailer
-
$530 AUD
$372 USD
A
Retailer 2
-
$579 AUD
$407 USD
View
B+
Retailer 3
-
$637 AUD
£353 GBP
View
B
Retailer 4
-
$953 AUD
£527 GBP
View
B
Retailer 5
-
$1,109 AUD
CA$1,082 CAD
View
B
Retailer 6
-
$1,310 AUD
$920 USD
View
B
Retailer 7
-
$1,507 AUD
$1,059 USD
View
Most Expensive
B
MOH London
320280288 · Oct 29
$1,584 AUD
£876 GBP
View
7 more retailers have this diamond
Prices start from $530 AUDSave up to $1,054 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
$530 AUD