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Emerald|Lab Grown|IGI

4.09ct G VS2 Emerald Lab Grown Diamond

EX • G/VS2 • IGI LG829601811

Shape and cutting style on the report: Emerald cut

Certificate IGI LG829601811

Diamond specifications and retailer prices

From £363 GBP
$487 USD
As of October 29, 2026
Save £150 GBP (29%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,004 GBP at Rare Carat · As of September 27, 2026
View at Rare Carat

About this 4.09ct lab-grown emerald diamond

This 4.09ct lab-grown emerald sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG829601811 or 829601811. Listed at 4 retailers as of October 26, 2026, with a 41% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.09
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829601811
Dimensions10.45 × 7.71 × 5.24 mm
L/W Ratio1.36
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.45 mm7.71 mm4.09 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG829601811
Side View
Table 66.0%Crown 38.9°Girdle: MediumPavilion 40.2°Culet: LargeDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £2,004 GBP|Low: £363 GBP|High: £2,004 GBP|Avg: £844 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 26, 2026
Retailer 3£363 GBP
Retailer 2£513 GBP
Retailer 5£635 GBP
Retailer 4£1,319 GBP
Rare Carat£2,004 GBP

15 data points across 5 retailers

4 retailers£363 GBP to £513 GBP

A
Cheapest Retailer
-
£363 GBP
$487 USD
Final sale: no returns
B+
Retailer 2
-
£513 GBP
$688 USD
View
Retailer 3
-
£1,319 GBP
$1,767 USD
View
Price last confirmed 7 days ago
Most Expensive
Rare Carat
829601811 · Sep 27
£2,004 GBP
$2,685 USD
View
Price last confirmed 33 days ago
3 more retailers have this diamond
Prices start from £363 GBPSave up to £150 GBP

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
4.09ct Emerald
£363 GBP