CaratHunter
Plans
Marquise|Lab Grown|IGI

0.31ct H SI2 Marquise Lab Grown Diamond

VG • H/SI2 • IGI LG539229188

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG539229188

Diamond specifications and retailer prices

From HK$683 HKD
$87 USD
As of November 2, 2026
Save HK$5,535 HKD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$6,218 HKD 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG539229188 or 539229188. Listed at 11 retailers as of October 29, 2026, with prices from HK$683 to HK$6,218, a HK$5,535 spread on the same certified stone. MOH London lists it at HK$6,218. 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
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle30.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539229188
Dimensions7.53 × 3.50 × 2.08 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
7.53 mm3.50 mm0.31 ctH / SI2
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG539229188
Side View
Table 63.5%Crown 30.6°Girdle: THN-STKPavilion 40.9°Culet: NoneDepth 59.4%

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: Nov 2
Current: HK$6,218 HKD|Low: HK$651 HKD|High: HK$6,257 HKD|Avg: HK$2,114 HKD|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 5HK$683 HKD
Retailer 8HK$785 HKD
Retailer 9HK$894 HKD
Retailer 10HK$894 HKD
Retailer 2HK$1,334 HKD
Retailer 3HK$1,607 HKD
Retailer 7HK$1,789 HKD
Retailer 4HK$2,162 HKD
Retailer 11HK$2,605 HKD
Retailer 6HK$2,707 HKD
MOH LondonHK$6,218 HKD

17 data points across 11 retailers

11 retailersHK$683 HKD to HK$6,218 HKD

A
Cheapest Retailer
-
HK$683 HKD
$87 USD
B+
Retailer 2
-
HK$785 HKD
$100 USD
View
Retailer 3
-
HK$894 HKD
$114 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
HK$894 HKD
$114 USD
View
B+
Retailer 5
-
HK$1,334 HKD
$170 USD
View
B+
Retailer 6
-
HK$1,607 HKD
View
B
Retailer 7
-
HK$1,789 HKD
$228 USD
View
B
Retailer 8
-
HK$2,162 HKD
£217 GBP
View
B
Retailer 9
-
HK$2,605 HKD
$332 USD
View
B
Retailer 10
-
HK$2,707 HKD
$345 USD
View
Most Expensive
C
MOH London
LG539229188 · Oct 29
HK$6,218 HKD
£624 GBP
View
10 more retailers have this diamond
Prices start from HK$683 HKDSave up to HK$5,535 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$683 HKD