Emerald|Lab Grown|IGI

3.09ct E SI1 Emerald Lab Grown Diamond

EX • E/SI1 • IGI LG844676223

Shape and cutting style on the report: Emerald cut

Certificate IGI LG844676223

Diamond specifications and retailer prices

From $297 USD
As of October 29, 2026
Save $2,363 USD (89%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,660 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.09ct lab-grown emerald diamond

This 3.09ct lab-grown emerald sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG844676223 or 844676223. Listed at 3 retailers as of October 28, 2026, with prices from $297 to $2,660, a $2,363 spread on the same certified stone. Brilliant Earth lists it at $2,660. 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
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844676223
Dimensions9.62 × 7.03 × 4.75 mm
L/W Ratio1.37
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.62 mm7.03 mm3.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844676223
Side View
Table 64.0%Crown 34.1°Girdle: MediumPavilion 40.3°Culet: LargeDepth 67.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $2,660 USD|Low: $292 USD|High: $2,660 USD|Avg: $1,361 USD
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$297 USD
Retailer 2$591 USD
Brilliant Earth$2,660 USD

12 data points across 3 retailers

3 retailers$297 USD to $2,660 USD

A
Cheapest Retailer
-
$297 USD
Final sale: no returns
A
Retailer 2
-
$591 USD
£465 GBP
View
Most Expensive
B
Brilliant Earth
22136026A · Oct 28
$2,660 USD
View
2 more retailers have this diamond
Prices start from $297 USDSave up to $2,363 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
$297 USD