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Emerald|Lab Grown|IGI

0.31ct D SI1 Emerald Lab Grown Diamond

EX • D/SI1 • IGI LG822631456

Shape and cutting style on the report: Emerald cut

Certificate IGI LG822631456

Diamond specifications and retailer prices

From HK$612 HKD
$78 USD
As of October 27, 2026
Save HK$2,290 HKD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$5,560 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 0.31ct lab-grown emerald diamond

This 0.31ct lab-grown emerald sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG822631456 or 822631456. Listed at 13 retailers as of October 27, 2026, with a 374% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.4°
Pavilion angle42.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG822631456
Dimensions4.50 × 3.30 × 2.27 mm
L/W Ratio1.36
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.50 mm3.30 mm0.31 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG822631456
Side View
Table 68.0%Crown 42.4°Girdle: MED-STKPavilion 42.9°Culet: LargeDepth 68.8%

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 27
Current: HK$5,560 HKD|Low: HK$612 HKD|High: HK$5,560 HKD|Avg: HK$1,972 HKD
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
October 28, 2026
Retailer 10HK$612 HKD
Retailer 8HK$706 HKD
Retailer 9HK$1,134 HKD
Retailer 13HK$1,161 HKD
Retailer 6HK$1,298 HKD
Retailer 11HK$1,483 HKD
Retailer 12HK$1,812 HKD
Retailer 3HK$1,866 HKD
Retailer 7HK$1,940 HKD
Retailer 4HK$2,205 HKD
Retailer 2HK$2,432 HKD
Retailer 5HK$2,902 HKD
MOH LondonHK$5,560 HKD

7 data points across 13 retailers

13 retailersHK$612 HKD to HK$2,902 HKD

A
Cheapest Retailer
-
HK$612 HKD
$78 USD
A
Retailer 2
-
HK$706 HKD
$90 USD
View
B+
Retailer 3
-
HK$1,134 HKD
$145 USD
View
B+
Retailer 4
-
HK$1,161 HKD
$148 USD
View
B+
Retailer 5
-
HK$1,298 HKD
£130 GBP
View
B+
Retailer 6
-
HK$1,483 HKD
€180 EUR
View
B
Retailer 7
-
HK$1,812 HKD
$231 USD
View
B+
Retailer 8
-
HK$1,866 HKD
CA$330 CAD
View
B+
Retailer 9
-
HK$1,940 HKD
£195 GBP
View
B
Retailer 10
-
HK$2,205 HKD
$281 USD
View
B
Retailer 11
-
HK$2,432 HKD
$310 USD
View
B
Retailer 12
-
HK$2,902 HKD
$370 USD
View
Most Expensive
MOH London
LG822631456 · Oct 26
HK$5,560 HKD
£558 GBP
View
Price under review
12 more retailers have this diamond
Prices start from HK$612 HKDSave up to HK$2,290 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 Emerald
HK$612 HKD