Princess|Lab Grown|IGI

0.51ct H SI1 Princess Lab Grown Diamond

ID • H/SI1 • IGI LG436073344

Shape and cutting style on the report: Princess cut

Certificate IGI LG436073344

Diamond specifications and retailer prices

From $426 CAD
$305 USD
As of October 30, 2026
Save $1,703 CAD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,129 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown princess diamond

This 0.51ct lab-grown princess sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436073344 or 436073344. Listed at 11 retailers as of October 29, 2026, with prices from $426 to $2,129, a $1,703 spread on the same certified stone. MOH London lists it at $2,129. 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

0.51
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073344
Dimensions4.42 × 4.32 × 3.18 mm
L/W Ratio1.02
Culet sizePointed
Top View
4.42 mm4.32 mm0.51 ctH / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436073344
Side View
Table 71.0%Crown 41°Girdle: MediumPavilion 40°Culet: NoneDepth 73.6%

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: $2,129 CAD|Low: $409 CAD|High: $2,143 CAD|Avg: $961 CAD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 10$426 CAD
Retailer 2$461 CAD
Retailer 3$478 CAD
Retailer 15$495 CAD
Retailer 11$528 CAD
Retailer 14$528 CAD
Retailer 7$745 CAD
Retailer 4$747 CAD
Retailer 12$862 CAD
Retailer 8$974 CAD
Retailer 5$1,039 CAD
Retailer 9$1,625 CAD
Retailer 13$1,699 CAD
Retailer 6$2,124 CAD
MOH London$2,129 CAD

23 data points across 15 retailers

11 retailers$426 CAD to $2,129 CAD

A
Cheapest Retailer
-
$426 CAD
$305 USD
A
Retailer 2
-
$461 CAD
$330 USD
View
A
Retailer 3
-
$478 CAD
$342 USD
View
Final sale: no returns
A
Retailer 4
-
$495 CAD
$354 USD
View
B+
Retailer 5
-
$528 CAD
$378 USD
View
B+
Retailer 6
-
$528 CAD
$378 USD
View
B+
Retailer 7
-
$862 CAD
$617 USD
View
B
Retailer 8
-
$974 CAD
€664 EUR
View
B
Retailer 9
-
$1,625 CAD
$1,163 USD
View
B
Retailer 10
-
$1,699 CAD
$1,216 USD
View
Most Expensive
B
MOH London
LG436073344 · Oct 29
$2,129 CAD
£1,200 GBP
View
10 more retailers have this diamond
Prices start from $426 CADSave up to $1,703 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
0.51ct Princess
$426 CAD