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Marquise|Lab Grown|IGI

0.31ct E IF Marquise Lab Grown Diamond

VG • E/IF • IGI LG712531477

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG712531477

Diamond specifications and retailer prices

From $145 SGD
$113 USD
As of October 30, 2026
Save $1,358 SGD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,502 SGD at MOH London · As of October 26, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG712531477 or 712531477. Listed at 16 retailers as of October 26, 2026, with prices from $145 to $1,502, a $1,358 spread on the same certified stone. MOH London lists it at $1,502. 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

0.31
Carat
E
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.7°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712531477
Dimensions7.45 × 3.39 × 2.03 mm
L/W Ratio2.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm3.39 mm0.31 ctE / IF
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG712531477
Side View
Table 63.0%Crown 36.7°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 59.9%

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: Oct 30
Current: $1,502 SGD|Low: $140 SGD|High: $1,519 SGD|Avg: $452 SGD|+0.1%
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
Retailer 14
October 30, 2026
Retailer 11$145 SGD
Retailer 14$163 SGD
Retailer 13$168 SGD
Retailer 12$191 SGD
Retailer 6$254 SGD
Retailer 9$282 SGD
Retailer 8$322 SGD
Retailer 5$334 SGD
Retailer 2$363 SGD
Retailer 10$372 SGD
Retailer 7$461 SGD
Retailer 3$716 SGD
Retailer 4$938 SGD
MOH London$1,502 SGD

44 data points across 14 retailers

16 retailers$145 SGD to $1,502 SGD

A
Cheapest Retailer
-
$145 SGD
$113 USD
A
Retailer 2
-
$163 SGD
$127 USD
View
Final sale: no returns
A
Retailer 3
-
$168 SGD
$131 USD
View
A
Retailer 4
-
$191 SGD
$149 USD
View
A
Retailer 5
-
$213 SGD
HK$1,300 HKD
View
A
Retailer 6
-
$254 SGD
$198 USD
View
A
Retailer 7
-
$282 SGD
$220 USD
View
B+
Retailer 8
-
$322 SGD
€239 EUR
View
B+
Retailer 9
-
$334 SGD
$260 USD
View
B+
Retailer 10
-
$363 SGD
£223 GBP
View
B+
Retailer 11
-
$372 SGD
$290 USD
View
B+
Retailer 12
-
$461 SGD
£283 GBP
View
B+
Retailer 13
-
$503 SGD
View
B
Retailer 14
-
$652 SGD
$508 USD
View
B
Retailer 15
-
$938 SGD
£576 GBP
View
Most Expensive
B
MOH London
LG712531477 · Oct 26
$1,502 SGD
£923 GBP
View
15 more retailers have this diamond
Prices start from $145 SGDSave up to $1,358 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
$145 SGD