Princess|Lab Grown|IGI

1.80ct K SI1 Princess Lab Grown Diamond

ID • K/SI1 • IGI LG447099800

Shape and cutting style on the report: Princess cut

Certificate IGI LG447099800

Diamond specifications and retailer prices

From $1,520 CAD
As of November 6, 2026
Save $4,440 CAD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,960 CAD at MOH London · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447099800 or 447099800. Listed at 9 retailers as of November 5, 2026, with prices from $1,520 to $5,960, a $4,440 spread on the same certified stone. MOH London lists it at $5,960. 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
K
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099800
Dimensions6.55 × 6.54 × 4.74 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
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Top View
6.55 mm6.54 mm1.80 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447099800
Side View
Table 72.5%Crown 45.4°Girdle: Slightly ThickPavilion 38.7°Culet: NoneDepth 72.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,960 CAD|Low: $1,520 CAD|High: $6,055 CAD|Avg: $3,481 CAD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$1,520 CAD
Retailer 2$2,004 CAD
Retailer 6$2,546 CAD
Retailer 4$2,804 CAD
Retailer 5$3,574 CAD
Retailer 7$5,043 CAD
MOH London$5,960 CAD

15 data points across 7 retailers

9 retailers$1,520 CAD to $5,960 CAD

A
Cheapest Retailer
-
$1,520 CAD
A
Retailer 2
-
$1,652 CAD
View
A
Retailer 3
-
$1,763 CAD
View
Retailer 4
-
$1,763 CAD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$2,004 CAD
View
B+
Retailer 6
-
$2,804 CAD
View
B
Retailer 7
-
$3,303 CAD
View
B
Retailer 8
-
$3,574 CAD
View
Most Expensive
B
MOH London
LG447099800 · Nov 5
$5,960 CAD
£3,360 GBP
View
8 more retailers have this diamond
Prices start from $1,520 CADSave up to $4,440 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
$1,520 CAD