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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 $1,028 SGD
As of November 6, 2026
Save $3,442 SGD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,471 SGD 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 $1,028 to $4,471, a $3,442 spread on the same certified stone. MOH London lists it at $4,471. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,471 SGD|Low: $987 SGD|High: $4,531 SGD|Avg: $2,147 SGD
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$1,028 SGD
Retailer 11$1,152 SGD
Retailer 9$1,193 SGD
Retailer 2$1,226 SGD
Retailer 5$1,381 SGD
Retailer 4$1,410 SGD
Retailer 6$1,418 SGD
Retailer 13$1,856 SGD
Retailer 10$1,924 SGD
Retailer 7$2,837 SGD
Retailer 3$3,414 SGD
Retailer 12$3,651 SGD
MOH London$4,471 SGD

21 data points across 13 retailers

12 retailers$1,028 SGD to $4,471 SGD

B+
Cheapest Retailer
-
$1,028 SGD
B+
Retailer 2
-
$1,119 SGD
View
B+
Retailer 3
-
$1,152 SGD
View
Final sale: no returns
B+
Retailer 4
-
$1,193 SGD
View
Retailer 5
-
$1,193 SGD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$1,226 SGD
View
B+
Retailer 7
-
$1,418 SGD
View
B+
Retailer 8
-
$1,924 SGD
View
B+
Retailer 9
-
$2,837 SGD
View
B+
Retailer 10
-
$3,353 SGD
View
B+
Retailer 11
-
$3,651 SGD
View
Most Expensive
B+
MOH London
LG436072886 · Nov 3
$4,471 SGD
£2,756 GBP
View
11 more retailers have this diamond
Prices start from $1,028 SGDSave up to $3,442 SGD

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
$1,028 SGD