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Marquise|Lab Grown|IGI

1.28ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG834609194

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG834609194

Diamond specifications and retailer prices

From $283 SGD
$221 USD
As of October 30, 2026
Save $1,125 SGD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,408 SGD at MOH London · As of October 26, 2026
View at MOH London

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG834609194 or 834609194. Listed at 10 retailers as of October 26, 2026, with prices from $283 to $1,408, a $1,125 spread on the same certified stone. MOH London lists it at $1,408. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834609194
Dimensions11.53 × 5.79 × 3.44 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.53 mm5.79 mm1.28 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834609194
Side View
Table 63.0%Crown 37°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,408 SGD|Low: $271 SGD|High: $1,422 SGD|Avg: $863 SGD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 27, 2026
Retailer 7$283 SGD
Retailer 10$329 SGD
Retailer 4$393 SGD
Retailer 9$598 SGD
Retailer 12$639 SGD
Retailer 2$858 SGD
Retailer 8$1,128 SGD
Retailer 6$1,131 SGD
Retailer 5$1,137 SGD
Retailer 11$1,171 SGD
Retailer 3$1,176 SGD
MOH London$1,408 SGD

15 data points across 12 retailers

10 retailers$283 SGD to $1,408 SGD

A
Cheapest Retailer
-
$283 SGD
$221 USD
A
Retailer 2
-
$329 SGD
$257 USD
View
A
Retailer 3
-
$393 SGD
HK$2,400 HKD
View
A
Retailer 4
-
$598 SGD
$468 USD
View
B+
Retailer 5
-
$858 SGD
A$1,032 AUD
View
B
Retailer 6
-
$1,128 SGD
$882 USD
View
B
Retailer 7
-
$1,131 SGD
$885 USD
View
B
Retailer 8
-
$1,137 SGD
View
Retailer 9
-
$1,176 SGD
$920 USD
View
Price last confirmed 39 days ago
Most Expensive
B
MOH London
LG834609194 · Oct 26
$1,408 SGD
£867 GBP
View
9 more retailers have this diamond
Prices start from $283 SGDSave up to $1,125 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
1.28ct Marquise
$283 SGD