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Princess|Lab Grown|IGI

1.81ct J SI2 Princess Lab Grown Diamond

ID • J/SI2 • IGI LG445037886

Shape and cutting style on the report: Princess cut

Certificate IGI LG445037886

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)
10 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 LG445037886 or 445037886. Listed at 10 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037886
Dimensions6.82 × 6.72 × 4.54 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
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Top View
6.82 mm6.72 mm1.81 ctJ / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445037886
Side View
Table 72.5%Crown 41.7°Girdle: THN-MEDPavilion 38°Culet: NoneDepth 67.6%

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: $3,213 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2$1,438 AUD
Retailer 3$1,751 AUD
Retailer 5$1,962 AUD
Retailer 7$2,881 AUD
Retailer 4$3,220 AUD
Retailer 6$3,891 AUD
MOH London$6,561 AUD

14 data points across 7 retailers

10 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
B+
Retailer 3
-
$1,905 AUD
$1,338 USD
View
B+
Retailer 4
-
$1,962 AUD
$1,378 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,031 AUD
$1,427 USD
View
Retailer 6
-
$2,031 AUD
$1,427 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$3,220 AUD
$2,262 USD
View
B
Retailer 8
-
$3,807 AUD
$2,674 USD
View
B
Retailer 9
-
$3,891 AUD
$2,733 USD
View
Most Expensive
B
MOH London
LG445037886 · Oct 29
$6,561 AUD
£3,629 GBP
View
9 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