CaratHunter
Plans
Princess|Lab Grown|IGI

1.81ct J SI2 Princess Lab Grown Diamond

ID • J/SI2 • IGI LG450028044

Shape and cutting style on the report: Princess cut

Certificate IGI LG450028044

Diamond specifications and retailer prices

From $1,438 AUD
$1,010 USD
As of October 30, 2026
Save $5,123 AUD (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,561 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.81ct lab-grown princess diamond

This 1.81ct lab-grown princess sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG450028044 or 450028044. Listed at 9 retailers as of October 29, 2026, with prices from $1,438 to $6,561, a $5,123 spread on the same certified stone. MOH London lists it at $6,561. 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

1.81
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG450028044
Dimensions6.83 × 6.72 × 4.55 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD). Type IIa
Top View
6.83 mm6.72 mm1.81 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG450028044
Side View
Table 67.5%Crown 43.8°Girdle: MED-STKPavilion 37.2°Culet: NoneDepth 67.7%

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: Oct 30
Current: $6,561 AUD|Low: $1,438 AUD|High: $6,614 AUD|Avg: $3,089 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$1,438 AUD
Retailer 3$1,751 AUD
Retailer 7$1,905 AUD
Retailer 4$2,031 AUD
Retailer 9$2,881 AUD
Retailer 5$3,220 AUD
Retailer 6$3,807 AUD
Retailer 8$3,891 AUD
MOH London$6,561 AUD

15 data points across 9 retailers

9 retailers$1,438 AUD to $6,561 AUD

A
Cheapest Retailer
-
$1,438 AUD
$1,010 USD
B+
Retailer 2
-
$1,751 AUD
$1,230 USD
View
A
Retailer 3
-
$1,905 AUD
$1,338 USD
View
A
Retailer 4
-
$2,031 AUD
$1,427 USD
View
Retailer 5
-
$2,031 AUD
$1,427 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$3,220 AUD
$2,262 USD
View
B
Retailer 7
-
$3,807 AUD
$2,674 USD
View
B
Retailer 8
-
$3,891 AUD
$2,733 USD
View
Most Expensive
B
MOH London
LG450028044 · Oct 29
$6,561 AUD
£3,629 GBP
View
8 more retailers have this diamond
Prices start from $1,438 AUDSave up to $5,123 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
1.81ct Princess
$1,438 AUD