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Princess|Lab Grown|IGI

1.80ct I SI2 Princess Lab Grown Diamond

ID • I/SI2 • IGI LG451056586

Shape and cutting style on the report: Princess cut

Certificate IGI LG451056586

Diamond specifications and retailer prices

From $1,438 CAD
As of November 4, 2026
Save $5,495 CAD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,933 CAD at MOH London · As of November 3, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451056586 or 451056586. Listed at 10 retailers as of November 3, 2026, with prices from $1,438 to $6,933, a $5,495 spread on the same certified stone. MOH London lists it at $6,933. 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
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056586
Dimensions6.80 × 6.56 × 4.55 mm
L/W Ratio1.04
Culet sizePointed
Cert comments
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Top View
6.80 mm6.56 mm1.80 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056586
Side View
Table 74.0%Crown 43.7°Girdle: MediumPavilion 38.2°Culet: NoneDepth 69.4%

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: Nov 4
Current: $6,933 CAD|Low: $1,438 CAD|High: $7,017 CAD|Avg: $3,094 CAD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 2$1,438 CAD
Retailer 3$1,860 CAD
Retailer 7$2,024 CAD
Retailer 8$2,082 CAD
Retailer 4$2,158 CAD
Retailer 10$2,980 CAD
Retailer 5$3,413 CAD
Retailer 9$4,022 CAD
Retailer 6$4,045 CAD
MOH London$6,933 CAD

16 data points across 10 retailers

10 retailers$1,438 CAD to $6,933 CAD

A
Cheapest Retailer
-
$1,438 CAD
B+
Retailer 2
-
$1,860 CAD
View
B+
Retailer 3
-
$2,024 CAD
View
B+
Retailer 4
-
$2,082 CAD
View
Final sale: no returns
B+
Retailer 5
-
$2,158 CAD
View
Retailer 6
-
$2,158 CAD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$3,413 CAD
View
B
Retailer 8
-
$4,022 CAD
View
B
Retailer 9
-
$4,045 CAD
View
Most Expensive
B
MOH London
LG451056586 · Nov 3
$6,933 CAD
£3,909 GBP
View
9 more retailers have this diamond
Prices start from $1,438 CADSave up to $5,495 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
$1,438 CAD