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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 $111 AUD
$78 USD
As of October 27, 2026
Save $416 AUD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,009 AUD 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: $1,009 AUD|Low: $111 AUD|High: $1,009 AUD|Avg: $358 AUD
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$111 AUD
Retailer 8$128 AUD
Retailer 9$206 AUD
Retailer 13$211 AUD
Retailer 6$236 AUD
Retailer 11$269 AUD
Retailer 12$329 AUD
Retailer 3$339 AUD
Retailer 7$352 AUD
Retailer 4$400 AUD
Retailer 2$441 AUD
Retailer 5$527 AUD
MOH London$1,009 AUD

7 data points across 13 retailers

13 retailers$111 AUD to $527 AUD

A
Cheapest Retailer
-
$111 AUD
$78 USD
A
Retailer 2
-
$128 AUD
$90 USD
View
B+
Retailer 3
-
$206 AUD
$145 USD
View
B+
Retailer 4
-
$211 AUD
$148 USD
View
B+
Retailer 5
-
$236 AUD
£130 GBP
View
B+
Retailer 6
-
$269 AUD
€180 EUR
View
B
Retailer 7
-
$329 AUD
$231 USD
View
B+
Retailer 8
-
$339 AUD
CA$330 CAD
View
B+
Retailer 9
-
$352 AUD
£195 GBP
View
B
Retailer 10
-
$400 AUD
$281 USD
View
B
Retailer 11
-
$441 AUD
$310 USD
View
B
Retailer 12
-
$527 AUD
$370 USD
View
Most Expensive
MOH London
LG822631456 · Oct 26
$1,009 AUD
£558 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $111 AUDSave up to $416 AUD

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
$111 AUD