Marquise|Lab Grown|IGI

0.30ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG538298040

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG538298040

Diamond specifications and retailer prices

From $109 SGD
$85 USD
As of November 2, 2026
Save $324 SGD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $988 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 0.3ct lab-grown marquise diamond

This 0.3ct lab-grown marquise sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG538298040 or 538298040. Listed at 12 retailers as of October 31, 2026, with a 298% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.30
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538298040
Dimensions7.19 × 3.34 × 2.12 mm
L/W Ratio2.15
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.19 mm3.34 mm0.30 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG538298040
Side View
Table 60.0%Crown 34.8°Girdle: MED-VTKPavilion 40.3°Culet: NoneDepth 63.5%

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 2
Current: $988 SGD|Low: $104 SGD|High: $999 SGD|Avg: $329 SGD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$109 SGD
Retailer 10$125 SGD
Retailer 7$143 SGD
Retailer 11$143 SGD
Retailer 4$217 SGD
Retailer 2$243 SGD
Retailer 9$289 SGD
Retailer 5$345 SGD
Retailer 3$422 SGD
Retailer 8$432 SGD
MOH London$988 SGD

43 data points across 11 retailers

12 retailers$109 SGD to $432 SGD

A
Cheapest Retailer
-
$109 SGD
$85 USD
A
Retailer 2
-
$125 SGD
$98 USD
View
Retailer 3
-
$143 SGD
$112 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$143 SGD
$112 USD
View
B+
Retailer 5
-
$217 SGD
$170 USD
View
B+
Retailer 6
-
$243 SGD
£149 GBP
View
B+
Retailer 7
-
$289 SGD
$226 USD
View
B
Retailer 8
-
$345 SGD
£212 GBP
View
B
Retailer 9
-
$409 SGD
HK$2,500 HKD
View
B
Retailer 10
-
$422 SGD
$330 USD
View
B
Retailer 11
-
$432 SGD
$338 USD
View
Most Expensive
MOH London
LG538298040 · Nov 1
$988 SGD
£608 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $109 SGDSave up to $324 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
0.30ct Marquise
$109 SGD