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Marquise|Lab Grown|IGI

1.25ct G VS1 Marquise Lab Grown Diamond

VG • G/VS1 • IGI LG843658928

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843658928

Diamond specifications and retailer prices

From $373 SGD
As of November 5, 2026
Save $1,061 SGD (74%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,434 SGD at MOH London · As of November 5, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG843658928 or 843658928. Listed at 10 retailers as of November 5, 2026, with prices from $373 to $1,434, a $1,061 spread on the same certified stone. MOH London lists it at $1,434. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.25
Carat
G
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843658928
Dimensions11.40 × 5.58 × 3.50 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.40 mm5.58 mm1.25 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843658928
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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 5
Current: $1,434 SGD|Low: $338 SGD|High: $1,520 SGD|Avg: $743 SGD|+10.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 2$373 SGD
Retailer 10$479 SGD
Retailer 8$535 SGD
Retailer 5$554 SGD
Retailer 4$593 SGD
Retailer 9$676 SGD
Retailer 7$991 SGD
Retailer 6$1,056 SGD
Retailer 3$1,239 SGD
MOH London$1,434 SGD

15 data points across 10 retailers

10 retailers$373 SGD to $1,434 SGD

A
Cheapest Retailer
-
$373 SGD
A
Retailer 2
-
$479 SGD
View
A
Retailer 3
-
$535 SGD
View
B+
Retailer 4
-
$554 SGD
View
A
Retailer 5
-
$593 SGD
View
B+
Retailer 6
-
$676 SGD
View
B
Retailer 7
-
$991 SGD
View
B
Retailer 8
-
$1,056 SGD
View
B
Retailer 9
-
$1,239 SGD
View
Most Expensive
B
MOH London
LG843658928 · Nov 5
$1,434 SGD
£884 GBP
View
9 more retailers have this diamond
Prices start from $373 SGDSave up to $1,061 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
$373 SGD