Marquise|Lab Grown|IGI

1.43ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG436072886

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436072886

Diamond specifications and retailer prices

From $1,124 CAD
As of November 6, 2026
Save $3,764 CAD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,888 CAD at MOH London · As of November 3, 2026
View at MOH London

About this 1.43ct lab-grown marquise diamond

This 1.43ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436072886 or 436072886. Listed at 12 retailers as of November 3, 2026, with prices from $1,124 to $4,888, a $3,764 spread on the same certified stone. MOH London lists it at $4,888. 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

1.43
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436072886
Dimensions10.73 × 5.94 × 3.82 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.73 mm5.94 mm1.43 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436072886
Side View
Table 57.5%Crown 36.2°Girdle: ThickPavilion 40.8°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,888 CAD|Low: $1,080 CAD|High: $4,954 CAD|Avg: $2,348 CAD
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
November 1, 2026
Retailer 8$1,124 CAD
Retailer 11$1,260 CAD
Retailer 9$1,304 CAD
Retailer 2$1,341 CAD
Retailer 5$1,510 CAD
Retailer 4$1,542 CAD
Retailer 6$1,550 CAD
Retailer 13$2,029 CAD
Retailer 10$2,103 CAD
Retailer 7$3,102 CAD
Retailer 3$3,733 CAD
Retailer 12$3,991 CAD
MOH London$4,888 CAD

21 data points across 13 retailers

12 retailers$1,124 CAD to $4,888 CAD

B+
Cheapest Retailer
-
$1,124 CAD
B+
Retailer 2
-
$1,223 CAD
View
B+
Retailer 3
-
$1,260 CAD
View
Final sale: no returns
B+
Retailer 4
-
$1,304 CAD
View
Retailer 5
-
$1,304 CAD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$1,341 CAD
View
B+
Retailer 7
-
$1,550 CAD
View
B+
Retailer 8
-
$2,103 CAD
View
B+
Retailer 9
-
$3,102 CAD
View
B+
Retailer 10
-
$3,666 CAD
View
B+
Retailer 11
-
$3,991 CAD
View
Most Expensive
B+
MOH London
LG436072886 · Nov 3
$4,888 CAD
£2,756 GBP
View
11 more retailers have this diamond
Prices start from $1,124 CADSave up to $3,764 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.

B+
1.43ct Marquise
$1,124 CAD