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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 $109 CAD
$78 USD
As of October 27, 2026
Save $409 CAD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $992 CAD 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $992 CAD|Low: $109 CAD|High: $992 CAD|Avg: $352 CAD
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 10$109 CAD
Retailer 8$126 CAD
Retailer 9$202 CAD
Retailer 13$207 CAD
Retailer 6$232 CAD
Retailer 11$265 CAD
Retailer 12$323 CAD
Retailer 3$333 CAD
Retailer 7$346 CAD
Retailer 4$393 CAD
Retailer 2$434 CAD
Retailer 5$518 CAD
MOH London$992 CAD

7 data points across 13 retailers

13 retailers$109 CAD to $518 CAD

A
Cheapest Retailer
-
$109 CAD
$78 USD
A
Retailer 2
-
$126 CAD
$90 USD
View
B+
Retailer 3
-
$202 CAD
$145 USD
View
B+
Retailer 4
-
$207 CAD
$148 USD
View
B+
Retailer 5
-
$232 CAD
£130 GBP
View
B+
Retailer 6
-
$265 CAD
€180 EUR
View
B
Retailer 7
-
$323 CAD
$231 USD
View
B+
Retailer 8
-
$333 CAD
View
B+
Retailer 9
-
$346 CAD
£195 GBP
View
B
Retailer 10
-
$393 CAD
$281 USD
View
B
Retailer 11
-
$434 CAD
$310 USD
View
B
Retailer 12
-
$518 CAD
$370 USD
View
Most Expensive
B
MOH London
LG822631456 · Oct 26
$992 CAD
£558 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $109 CADSave up to $409 CAD

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
$109 CAD