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Princess|Lab Grown|IGI

1.80ct J SI1 Princess Lab Grown Diamond

ID • J/SI1 • IGI LG442067003

Shape and cutting style on the report: Princess cut

Certificate IGI LG442067003

Diamond specifications and retailer prices

From $1,438 AUD
$1,010 USD
As of October 30, 2026
Save $6,732 AUD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,170 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.8ct lab-grown princess diamond

This 1.8ct lab-grown princess sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG442067003 or 442067003. Listed at 11 retailers as of October 29, 2026, with prices from $1,438 to $8,170, a $6,732 spread on the same certified stone. MOH London lists it at $8,170. 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

1.80
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.8°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442067003
Dimensions6.58 × 6.40 × 4.85 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
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Top View
6.58 mm6.40 mm1.80 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG442067003
Side View
Table 70.5%Crown 45.8°Girdle: MED-THKPavilion 40°Culet: NoneDepth 75.8%

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: $8,170 AUD|Low: $1,438 AUD|High: $8,235 AUD|Avg: $4,166 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$1,438 AUD
Retailer 5$2,453 AUD
Retailer 7$2,746 AUD
Retailer 10$2,806 AUD
Retailer 3$2,898 AUD
Retailer 8$3,089 AUD
Retailer 9$3,807 AUD
Retailer 6$4,469 AUD
Retailer 4$4,906 AUD
Retailer 11$8,147 AUD
MOH London$8,170 AUD

13 data points across 11 retailers

11 retailers$1,438 AUD to $8,170 AUD

A
Cheapest Retailer
-
$1,438 AUD
$1,010 USD
B+
Retailer 2
-
$2,453 AUD
$1,723 USD
View
B+
Retailer 3
-
$2,669 AUD
$1,875 USD
View
B+
Retailer 4
-
$2,746 AUD
$1,929 USD
View
Final sale: no returns
Retailer 5
-
$2,846 AUD
$1,999 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$2,846 AUD
$1,999 USD
View
B+
Retailer 7
-
$3,089 AUD
$2,170 USD
View
B
Retailer 8
-
$4,469 AUD
$3,139 USD
View
B
Retailer 9
-
$4,906 AUD
$3,446 USD
View
B
Retailer 10
-
$5,334 AUD
$3,747 USD
View
Most Expensive
B
MOH London
LG442067003 · Oct 29
$8,170 AUD
£4,519 GBP
View
10 more retailers have this diamond
Prices start from $1,438 AUDSave up to $6,732 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
1.80ct Princess
$1,438 AUD