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Marquise|Lab Grown|IGI

0.31ct E SI1 Marquise Lab Grown Diamond

VG • E/SI1 • IGI LG841689375

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841689375

Diamond specifications and retailer prices

From $167 SGD
$130 USD
As of October 28, 2026
Save $602 SGD (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $768 SGD at MOH London · As of October 29, 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG841689375 or 841689375. Listed at 7 retailers as of October 28, 2026, with prices from $167 to $768, a $602 spread on the same certified stone. MOH London lists it at $768. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle26°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841689375
Dimensions7.19 × 3.55 × 2.20 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.19 mm3.55 mm0.31 ctE / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG841689375
Side View
Table 52.0%Crown 26°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 62.0%

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 28
Current: $768 SGD|Low: $167 SGD|High: $768 SGD|Avg: $350 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 4$167 SGD
Retailer 2$178 SGD
Retailer 5$245 SGD
Retailer 3$267 SGD
Retailer 6$396 SGD
Retailer 7$413 SGD
MOH London$768 SGD

15 data points across 7 retailers

7 retailers$167 SGD to $768 SGD

A
Cheapest Retailer
-
$167 SGD
$130 USD
B+
Retailer 2
-
$178 SGD
£110 GBP
View
B+
Retailer 3
-
$245 SGD
$191 USD
View
B+
Retailer 4
-
$267 SGD
£164 GBP
View
B
Retailer 5
-
$396 SGD
$309 USD
View
B
Retailer 6
-
$413 SGD
$322 USD
View
Most Expensive
B
MOH London
LG841689375 · Oct 29
$768 SGD
£472 GBP
View
6 more retailers have this diamond
Prices start from $167 SGDSave up to $602 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
$167 SGD