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Marquise|Lab Grown|IGI

0.31ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG541286084

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG541286084

Diamond specifications and retailer prices

From $111 SGD
$87 USD
As of November 2, 2026
Save $330 SGD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,008 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 0.31ct lab-grown marquise diamond

This 0.31ct 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 LG541286084 or 541286084. Listed at 12 retailers as of October 31, 2026, with a 297% 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

0.31
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541286084
Dimensions7.36 × 3.33 × 2.19 mm
L/W Ratio2.21
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
7.36 mm3.33 mm0.31 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541286084
Side View
Table 61.0%Crown 34.2°Girdle: MED-STKPavilion 42.3°Culet: NoneDepth 65.8%

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 2
Current: $1,008 SGD|Low: $106 SGD|High: $1,021 SGD|Avg: $335 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$111 SGD
Retailer 9$128 SGD
Retailer 10$146 SGD
Retailer 11$146 SGD
Retailer 4$217 SGD
Retailer 2$250 SGD
Retailer 8$291 SGD
Retailer 5$352 SGD
Retailer 3$424 SGD
Retailer 7$441 SGD
MOH London$1,008 SGD

43 data points across 11 retailers

12 retailers$111 SGD to $441 SGD

A
Cheapest Retailer
-
$111 SGD
$87 USD
A
Retailer 2
-
$128 SGD
$100 USD
View
A
Retailer 3
-
$146 SGD
$114 USD
View
Retailer 4
-
$146 SGD
$114 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$217 SGD
$170 USD
View
B+
Retailer 6
-
$250 SGD
£154 GBP
View
B+
Retailer 7
-
$278 SGD
HK$1,700 HKD
View
B
Retailer 8
-
$291 SGD
$228 USD
View
B
Retailer 9
-
$352 SGD
£217 GBP
View
B
Retailer 10
-
$424 SGD
$332 USD
View
B
Retailer 11
-
$441 SGD
$345 USD
View
Most Expensive
MOH London
LG541286084 · Nov 1
$1,008 SGD
£621 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $111 SGDSave up to $330 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
0.31ct Marquise
$111 SGD