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Marquise|Lab Grown|IGI

1.03ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG818682430

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818682430

Diamond specifications and retailer prices

From $226 SGD
As of November 4, 2026
Save $1,087 SGD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,313 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818682430 or 818682430. Listed at 19 retailers as of November 2, 2026, with prices from $226 to $1,313, a $1,087 spread on the same certified stone. MOH London lists it at $1,313. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682430
Dimensions10.64 × 5.04 × 3.23 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
10.64 mm5.04 mm1.03 ctG / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682430
Side View
Table 59.0%Crown 33.1°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 64.1%

Caratlytics Score

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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 4
Current: $1,313 SGD|Low: $217 SGD|High: $1,332 SGD|Avg: $612 SGD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 5$226 SGD
Retailer 13$252 SGD
Retailer 12$263 SGD
Retailer 2$342 SGD
Retailer 8$484 SGD
Retailer 6$500 SGD
Retailer 11$500 SGD
Retailer 10$665 SGD
Retailer 9$685 SGD
Retailer 7$721 SGD
Retailer 4$767 SGD
Retailer 3$972 SGD
MOH London$1,313 SGD

31 data points across 13 retailers

19 retailers$226 SGD to $1,313 SGD

A
Cheapest Retailer
-
$226 SGD
A
Retailer 2
-
$252 SGD
View
Final sale: no returns
A
Retailer 3
-
$263 SGD
View
Retailer 4
-
$281 SGD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$281 SGD
View
A
Retailer 6
-
$342 SGD
View
A
Retailer 7
-
$429 SGD
View
A
Retailer 8
-
$484 SGD
View
A
Retailer 9
-
$500 SGD
View
A
Retailer 10
-
$500 SGD
View
B+
Retailer 11
-
$665 SGD
View
B+
Retailer 12
-
$685 SGD
View
B+
Retailer 13
-
$721 SGD
View
B+
Retailer 14
-
$767 SGD
View
B+
Retailer 15
-
$843 SGD
View
B
Retailer 16
-
$903 SGD
View
B
Retailer 17
-
$942 SGD
View
B
Retailer 18
-
$972 SGD
View
Most Expensive
B
MOH London
LG818682430 · Nov 2
$1,313 SGD
£809 GBP
View
18 more retailers have this diamond
Prices start from $226 SGDSave up to $1,087 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
1.03ct Marquise
$226 SGD