Emerald|Lab Grown|IGI

3.09ct J SI2 Emerald Lab Grown Diamond

ID • J/SI2 • IGI LG445045493

Shape and cutting style on the report: Emerald cut

Certificate IGI LG445045493

Diamond specifications and retailer prices

From €239 EUR
$267 USD
As of October 30, 2026
Save €1,079 EUR (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,318 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 3.09ct lab-grown emerald diamond

This 3.09ct lab-grown emerald sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445045493 or 445045493. Listed at 10 retailers as of October 29, 2026, with prices from €239 to €1,318, a €1,079 spread on the same certified stone. MOH London lists it at €1,318. 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

3.09
Carat
J
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445045493
Dimensions9.75 × 6.97 × 4.63 mm
L/W Ratio1.40
Culet sizeLarge
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD). Type IIa
Top View
9.75 mm6.97 mm3.09 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445045493
Side View
Table 65.0%Crown 28.1°Girdle: Slightly ThickPavilion 38.9°Culet: LargeDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €1,318 EUR|Low: €239 EUR|High: €1,327 EUR|Avg: €599 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 7€239 EUR
Retailer 8€269 EUR
Retailer 2€277 EUR
Retailer 4€296 EUR
Retailer 9€296 EUR
Retailer 5€440 EUR
Retailer 3€587 EUR
Retailer 6€910 EUR
Retailer 10€1,052 EUR
MOH London€1,318 EUR

14 data points across 10 retailers

10 retailers€239 EUR to €1,318 EUR

A
Cheapest Retailer
-
€239 EUR
$267 USD
A
Retailer 2
-
€269 EUR
$300 USD
View
Final sale: no returns
A
Retailer 3
-
€277 EUR
$310 USD
View
A
Retailer 4
-
€296 EUR
$331 USD
View
A
Retailer 5
-
€296 EUR
$331 USD
View
B+
Retailer 6
-
€440 EUR
$492 USD
View
A
Retailer 7
-
€587 EUR
$656 USD
View
A
Retailer 8
-
€910 EUR
$1,017 USD
View
A
Retailer 9
-
€1,052 EUR
$1,175 USD
View
Most Expensive
A
MOH London
LG445045493 · Oct 29
€1,318 EUR
£1,159 GBP
View
9 more retailers have this diamond
Prices start from €239 EURSave up to €1,079 EUR

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
3.09ct Emerald
€239 EUR