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Marquise|Lab Grown|IGI

1.25ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG838649551

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838649551

Diamond specifications and retailer prices

From $545 SGD
$426 USD
As of November 1, 2026
Save $922 SGD (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,467 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 LG838649551 or 838649551. Listed at 6 retailers as of November 1, 2026, with prices from $545 to $1,467, a $922 spread on the same certified stone. MOH London lists it at $1,467. 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 angle35.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838649551
Dimensions11.03 × 5.51 × 3.52 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.03 mm5.51 mm1.25 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838649551
Side View
Table 63.0%Crown 35.4°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 63.9%

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 1
Current: $1,467 SGD|Low: $545 SGD|High: $1,475 SGD|Avg: $849 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6$545 SGD
Retailer 2$574 SGD
Retailer 4$593 SGD
Retailer 3$850 SGD
Retailer 5$1,077 SGD
MOH London$1,467 SGD

9 data points across 6 retailers

6 retailers$545 SGD to $1,467 SGD

A
Cheapest Retailer
-
$545 SGD
$426 USD
A
Retailer 2
-
$574 SGD
£354 GBP
View
A
Retailer 3
-
$593 SGD
$464 USD
View
B+
Retailer 4
-
$850 SGD
$665 USD
View
B
Retailer 5
-
$1,077 SGD
$842 USD
View
Most Expensive
B
MOH London
LG838649551 · Nov 1
$1,467 SGD
£903 GBP
View
5 more retailers have this diamond
Prices start from $545 SGDSave up to $922 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
$545 SGD