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Princess|Lab Grown|IGI

1.80ct J SI2 Princess Lab Grown Diamond

ID • J/SI2 • IGI LG451058647

Shape and cutting style on the report: Princess cut

Certificate IGI LG451058647

Diamond specifications and retailer prices

From $1,708 CAD
$1,223 USD
As of October 30, 2026
Save $4,694 CAD (73%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,403 CAD 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451058647 or 451058647. Listed at 9 retailers as of October 29, 2026, with prices from $1,708 to $6,403, a $4,694 spread on the same certified stone. MOH London lists it at $6,403. 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
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451058647
Dimensions6.58 × 6.49 × 4.83 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
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Top View
6.58 mm6.49 mm1.80 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451058647
Side View
Table 69.5%Crown 40.2°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 74.4%

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: Oct 30
Current: $6,403 CAD|Low: $1,708 CAD|High: $6,454 CAD|Avg: $3,362 CAD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 2$1,708 CAD
Retailer 4$1,912 CAD
Retailer 6$2,813 CAD
Retailer 3$3,144 CAD
Retailer 5$3,798 CAD
MOH London$6,403 CAD

11 data points across 6 retailers

9 retailers$1,708 CAD to $6,403 CAD

A
Cheapest Retailer
-
$1,708 CAD
$1,223 USD
A
Retailer 2
-
$1,859 CAD
$1,331 USD
View
A
Retailer 3
-
$1,912 CAD
$1,369 USD
View
Final sale: no returns
A
Retailer 4
-
$1,982 CAD
$1,419 USD
View
Retailer 5
-
$1,982 CAD
$1,419 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$3,144 CAD
$2,251 USD
View
B
Retailer 7
-
$3,716 CAD
$2,660 USD
View
B
Retailer 8
-
$3,798 CAD
$2,719 USD
View
Most Expensive
B
MOH London
LG451058647 · Oct 29
$6,403 CAD
£3,609 GBP
View
8 more retailers have this diamond
Prices start from $1,708 CADSave up to $4,694 CAD

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
$1,708 CAD