Emerald|Lab Grown|IGI

3.09ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG842655636

Shape and cutting style on the report: Emerald cut

Certificate IGI LG842655636

Diamond specifications and retailer prices

From $267 USD
As of October 29, 2026
Save $1,993 USD (88%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,260 USD at Brilliant Earth · As of October 26, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG842655636 or 842655636. Listed at 3 retailers as of October 26, 2026, with prices from $267 to $2,260, a $1,993 spread on the same certified stone. Brilliant Earth lists it at $2,260. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842655636
Dimensions9.82 × 6.91 × 4.68 mm
L/W Ratio1.42
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.82 mm6.91 mm3.09 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842655636
Side View
Table 64.0%Crown 35.2°Girdle: MediumPavilion 40.9°Culet: LargeDepth 67.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $2,260 USD|Low: $267 USD|High: $2,260 USD|Avg: $1,414 USD
Brilliant Earth
Retailer 2
Retailer 3
October 28, 2026
Retailer 2$267 USD
Retailer 3$574 USD
Brilliant Earth$2,260 USD

11 data points across 3 retailers

3 retailers$267 USD to $2,260 USD

A
Cheapest Retailer
-
$267 USD
Final sale: no returns
A
Retailer 2
-
$574 USD
£452 GBP
View
Most Expensive
B
Brilliant Earth
21744664A · Oct 26
$2,260 USD
View
2 more retailers have this diamond
Prices start from $267 USDSave up to $1,993 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