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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 HK$887 HKD
$113 USD
As of October 30, 2026
Save HK$8,310 HKD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$9,197 HKD 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 HK$887 to HK$9,197, a HK$8,310 spread on the same certified stone. MOH London lists it at HK$9,197. 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

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 30
Current: HK$9,197 HKD|Low: HK$855 HKD|High: HK$9,296 HKD|Avg: HK$2,786 HKD|+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 31, 2026
Retailer 11HK$887 HKD
Retailer 14HK$996 HKD
Retailer 13HK$1,028 HKD
Retailer 12HK$1,169 HKD
Retailer 6HK$1,553 HKD
Retailer 9HK$1,726 HKD
Retailer 8HK$1,969 HKD
Retailer 5HK$2,043 HKD
Retailer 2HK$2,206 HKD
Retailer 10HK$2,275 HKD
Retailer 7HK$2,824 HKD
Retailer 3HK$4,386 HKD
Retailer 4HK$5,739 HKD
MOH LondonHK$9,197 HKD

44 data points across 14 retailers

16 retailersHK$887 HKD to HK$9,197 HKD

A
Cheapest Retailer
-
HK$887 HKD
$113 USD
A
Retailer 2
-
HK$996 HKD
$127 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,028 HKD
$131 USD
View
A
Retailer 4
-
HK$1,169 HKD
$149 USD
View
A
Retailer 5
-
HK$1,306 HKD
View
A
Retailer 6
-
HK$1,553 HKD
$198 USD
View
A
Retailer 7
-
HK$1,726 HKD
$220 USD
View
B+
Retailer 8
-
HK$1,969 HKD
€239 EUR
View
B+
Retailer 9
-
HK$2,043 HKD
$260 USD
View
B+
Retailer 10
-
HK$2,206 HKD
£221 GBP
View
B+
Retailer 11
-
HK$2,275 HKD
$290 USD
View
B+
Retailer 12
-
HK$2,824 HKD
£283 GBP
View
B+
Retailer 13
-
HK$3,077 HKD
SGD 530 SGD
View
B
Retailer 14
-
HK$3,988 HKD
$508 USD
View
B
Retailer 15
-
HK$5,739 HKD
£576 GBP
View
Most Expensive
B
MOH London
LG712531477 · Oct 26
HK$9,197 HKD
£923 GBP
View
15 more retailers have this diamond
Prices start from HK$887 HKDSave up to HK$8,310 HKD

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
HK$887 HKD