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Emerald|Lab Grown|IGI

0.31ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG764609323

Shape and cutting style on the report: Emerald cut

Certificate IGI LG764609323

Diamond specifications and retailer prices

From £44 GBP
$59 USD
As of October 29, 2026
Save £361 GBP (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £405 GBP at MOH London · As of October 29, 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 LG764609323 or 764609323. Listed at 13 retailers as of October 29, 2026, with prices from £44 to £405, a £361 spread on the same certified stone. MOH London lists it at £405. 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
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle33°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764609323
Dimensions4.56 × 3.08 × 2.23 mm
L/W Ratio1.48
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.56 mm3.08 mm0.31 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG764609323
Side View
Table 71.0%Crown 33°Girdle: THK-VTKPavilion 41.1°Culet: LargeDepth 72.4%

Caratlytics Score

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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: £405 GBP|Low: £44 GBP|High: £408 GBP|Avg: £179 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 4£44 GBP
Retailer 8£102 GBP
Retailer 6£105 GBP
Retailer 2£121 GBP
Retailer 5£134 GBP
Retailer 3£141 GBP
Retailer 7£283 GBP
MOH London£405 GBP

19 data points across 8 retailers

13 retailers£44 GBP to £405 GBP

Retailer 1
-
£44 GBP
$59 USD
Price last confirmed 29 days ago
A
Retailer 2
-
£44 GBP
$59 USD
View
Retailer 3
-
£51 GBP
$68 USD
View
Price last confirmed 36 days ago
Retailer 4
-
£58 GBP
$77 USD
View
Price last confirmed 31 days ago
A
Retailer 5
-
£59 GBP
$78 USD
View
Retailer 6
-
£105 GBP
$140 USD
View
Price last confirmed 22 days ago
B+
Retailer 7
-
£121 GBP
€154 EUR
View
B+
Retailer 8
-
£134 GBP
$179 USD
View
B+
Retailer 9
-
£141 GBP
View
B
Retailer 10
-
£176 GBP
$235 USD
View
Retailer 11
-
£176 GBP
$235 USD
View
Price last confirmed 31 days ago
B
Retailer 12
-
£283 GBP
$377 USD
View
Most Expensive
B
MOH London
LG764609323 · Oct 29
£405 GBP
View
12 more retailers have this diamond
Prices start from £44 GBPSave up to £361 GBP

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
£44 GBP