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 $267 USD
As of October 30, 2026
Save $1,205 USD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,472 USD 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 $267 to $1,472, a $1,205 spread on the same certified stone. MOH London lists it at $1,472. 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: $1,472 USD|Low: $267 USD|High: $1,482 USD|Avg: $670 USD|+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$267 USD
Retailer 8$300 USD
Retailer 2$310 USD
Retailer 4$331 USD
Retailer 9$331 USD
Retailer 5$492 USD
Retailer 3$656 USD
Retailer 6$1,017 USD
Retailer 10$1,175 USD
MOH London$1,472 USD

15 data points across 10 retailers

10 retailers$267 USD to $1,472 USD

A
Cheapest Retailer
-
$267 USD
A
Retailer 2
-
$300 USD
View
Final sale: no returns
A
Retailer 3
-
$310 USD
View
A
Retailer 4
-
$331 USD
View
A
Retailer 5
-
$331 USD
View
B+
Retailer 6
-
$492 USD
View
A
Retailer 7
-
$656 USD
View
A
Retailer 8
-
$1,017 USD
View
A
Retailer 9
-
$1,175 USD
View
Most Expensive
A
MOH London
LG445045493 · Oct 29
$1,472 USD
£1,159 GBP
View
9 more retailers have this diamond
Prices start from $267 USDSave up to $1,205 USD

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
$267 USD