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Marquise|Lab Grown|IGI

1.43ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG839697089

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839697089

Diamond specifications and retailer prices

From $446 SGD
As of November 6, 2026
Save $834 SGD (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,999 SGD at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839697089 or 839697089. Listed at 8 retailers as of November 6, 2026, with a 187% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839697089
Dimensions11.55 × 5.99 × 3.65 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.55 mm5.99 mm1.43 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839697089
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

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: $647 SGD|Low: $446 SGD|High: $1,350 SGD|Avg: $708 SGD|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$446 SGD
Retailer 7$497 SGD
Retailer 8$604 SGD
Retailer 5$606 SGD
Retailer 1$647 SGD
Retailer 3$854 SGD
Retailer 4$1,100 SGD
Retailer 2$1,280 SGD

10 data points across 8 retailers

8 retailers$446 SGD to $1,280 SGD

A
Cheapest Retailer
-
$446 SGD
B+
Retailer 2
-
$497 SGD
View
A
Retailer 3
-
$606 SGD
View
A
Retailer 4
-
$647 SGD
View
B+
Retailer 5
-
$854 SGD
View
Retailer 6
-
$1,100 SGD
View
Price last confirmed 9 days ago
B
Retailer 7
-
$1,280 SGD
View
Most Expensive
Brilliant Earth
21601833A · Oct 1
$1,999 SGD
$1,560 USD
View
Price last confirmed 36 days ago
7 more retailers have this diamond
Prices start from $446 SGDSave up to $834 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.

A
1.43ct Marquise
$446 SGD