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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 $518 NZD
$292 USD
As of October 30, 2026
Save $4,202 NZD (89%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,720 NZD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $518 to $4,720, a $4,202 spread on the same certified stone. Brilliant Earth lists it at $4,720. 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
Colour
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $4,720 NZD|Low: $518 NZD|High: $4,720 NZD|Avg: $2,415 NZD
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 2$518 NZD
Retailer 3$1,048 NZD
Brilliant Earth$4,720 NZD

12 data points across 3 retailers

3 retailers$518 NZD to $4,720 NZD

A
Cheapest Retailer
-
$518 NZD
$292 USD
Final sale: no returns
A
Retailer 2
-
$1,048 NZD
£465 GBP
View
Most Expensive
B
Brilliant Earth
22136026A · Oct 30
$4,720 NZD
$2,660 USD
View
2 more retailers have this diamond
Prices start from $518 NZDSave up to $4,202 NZD

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
$518 NZD