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0.31ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG544242974

Shape and cutting style on the report: Round brilliant

Certificate IGI LG544242974

Diamond specifications and retailer prices

From HK$683 HKD
$87 USD
As of October 29, 2026
Save HK$5,535 HKD (89%) vs most expensive(unlock to see where)
10 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 round diamond

This 0.31ct lab-grown round sits in the sub-half-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG544242974 or 544242974. Listed at 10 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. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544242974
Dimensions4.43 × 4.45 × 2.60 mm
L/W Ratio1.00
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
4.43 mm4.45 mm0.31 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544242974
Side View
Table 59.0%Crown 31.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 58.6%

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: Oct 29
Current: HK$6,218 HKD|Low: HK$651 HKD|High: HK$6,258 HKD|Avg: HK$2,641 HKD|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 2HK$683 HKD
Retailer 5HK$894 HKD
Retailer 6HK$1,569 HKD
Retailer 3HK$1,789 HKD
Retailer 7HK$2,109 HKD
Retailer 4HK$2,605 HKD
Retailer 8HK$4,509 HKD
MOH LondonHK$6,218 HKD

12 data points across 8 retailers

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

A
Cheapest Retailer
-
HK$683 HKD
$87 USD
A
Retailer 2
-
HK$785 HKD
$100 USD
View
A
Retailer 3
-
HK$894 HKD
$114 USD
View
A
Retailer 4
-
HK$894 HKD
$114 USD
View
B+
Retailer 5
-
HK$1,569 HKD
$200 USD
View
B+
Retailer 6
-
HK$1,789 HKD
$228 USD
View
B+
Retailer 7
-
HK$2,109 HKD
View
B+
Retailer 8
-
HK$2,605 HKD
$332 USD
View
B
Retailer 9
-
HK$2,707 HKD
$345 USD
View
Most Expensive
B
MOH London
LG544242974 · Oct 29
HK$6,218 HKD
£624 GBP
View
9 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 Round
HK$683 HKD