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Marquise|Lab Grown|IGI

1.25ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG843699133

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843699133

Diamond specifications and retailer prices

From $409 SGD
$320 USD
As of November 1, 2026
Save $1,002 SGD (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,411 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.25ct lab-grown marquise diamond

This 1.25ct 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 LG843699133 or 843699133. Listed at 5 retailers as of November 1, 2026, with prices from $409 to $1,411, a $1,002 spread on the same certified stone. MOH London lists it at $1,411. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843699133
Dimensions11.89 × 5.63 × 3.33 mm
L/W Ratio2.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.89 mm5.63 mm1.25 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843699133
Side View
Table 58.0%Crown 30.5°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 59.1%

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 1
Current: $1,411 SGD|Low: $409 SGD|High: $1,420 SGD|Avg: $780 SGD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5$409 SGD
Retailer 2$544 SGD
Retailer 3$591 SGD
Retailer 4$1,039 SGD
MOH London$1,411 SGD

19 data points across 5 retailers

5 retailers$409 SGD to $1,411 SGD

B+
Cheapest Retailer
-
$409 SGD
$320 USD
A
Retailer 2
-
$544 SGD
£335 GBP
View
A
Retailer 3
-
$591 SGD
$462 USD
View
B
Retailer 4
-
$1,039 SGD
$813 USD
View
Most Expensive
B
MOH London
LG843699133 · Nov 1
$1,411 SGD
£869 GBP
View
4 more retailers have this diamond
Prices start from $409 SGDSave up to $1,002 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
1.25ct Marquise
$409 SGD