CaratHunter
Plans
Princess|Lab Grown|IGI

1.80ct J SI1 Princess Lab Grown Diamond

ID • J/SI1 • IGI LG451055777

Shape and cutting style on the report: Princess cut

Certificate IGI LG451055777

Diamond specifications and retailer prices

From $1,411 CAD
$1,010 USD
As of October 30, 2026
Save $5,561 CAD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,972 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451055777 or 451055777. Listed at 10 retailers as of October 29, 2026, with prices from $1,411 to $6,972, a $5,561 spread on the same certified stone. MOH London lists it at $6,972. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.3°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055777
Dimensions6.73 × 6.54 × 4.72 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
undefined
Top View
6.73 mm6.54 mm1.80 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG451055777
Side View
Table 70.5%Crown 45.3°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 72.2%

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: $6,972 CAD|Low: $1,411 CAD|High: $7,018 CAD|Avg: $3,462 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2$1,411 CAD
Retailer 3$1,861 CAD
Retailer 5$2,396 CAD
Retailer 7$2,981 CAD
Retailer 4$3,414 CAD
Retailer 6$4,023 CAD
MOH London$6,972 CAD

11 data points across 7 retailers

10 retailers$1,411 CAD to $6,972 CAD

A
Cheapest Retailer
-
$1,411 CAD
$1,010 USD
A
Retailer 2
-
$1,861 CAD
$1,332 USD
View
A
Retailer 3
-
$2,024 CAD
$1,449 USD
View
A
Retailer 4
-
$2,158 CAD
$1,545 USD
View
Retailer 5
-
$2,158 CAD
$1,545 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$2,396 CAD
$1,715 USD
View
B
Retailer 7
-
$3,414 CAD
$2,444 USD
View
B
Retailer 8
-
$4,023 CAD
$2,880 USD
View
B
Retailer 9
-
$4,045 CAD
$2,896 USD
View
Most Expensive
B
MOH London
LG451055777 · Oct 29
$6,972 CAD
£3,930 GBP
View
9 more retailers have this diamond
Prices start from $1,411 CADSave up to $5,561 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
$1,411 CAD