Emerald|Lab Grown|IGI

3.09ct E VS2 Emerald Lab Grown Diamond

EX • E/VS2 • IGI LG840667309

Shape and cutting style on the report: Emerald cut

Certificate IGI LG840667309

Diamond specifications and retailer prices

From £284 GBP
$381 USD
As of October 30, 2026
Save £2,246 GBP (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,680 GBP at Frank Darling · As of October 22, 2026
View at Frank Darling

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840667309 or 840667309. Listed at 11 retailers as of October 29, 2026, with a 790% 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

3.09
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840667309
Dimensions9.94 × 6.93 × 4.55 mm
L/W Ratio1.43
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.94 mm6.93 mm3.09 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840667309
Side View
Table 66.0%Crown 38.2°Girdle: MediumPavilion 40.6°Culet: LargeDepth 65.7%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £2,680 GBP|Low: £353 GBP|High: £2,680 GBP|Avg: £1,303 GBP
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 7£353 GBP
Retailer 8£473 GBP
Retailer 2£648 GBP
Retailer 4£701 GBP
Retailer 9£1,332 GBP
Retailer 5£1,376 GBP
Retailer 3£1,438 GBP
Retailer 10£1,758 GBP
Retailer 6£2,530 GBP
Frank Darling£2,680 GBP

17 data points across 10 retailers

11 retailers£284 GBP to £2,530 GBP

A
Cheapest Retailer
-
£284 GBP
$381 USD
A
Retailer 2
-
£353 GBP
$473 USD
View
Final sale: no returns
B+
Retailer 3
-
£473 GBP
$634 USD
View
A
Retailer 4
-
£648 GBP
View
A
Retailer 5
-
£701 GBP
$939 USD
View
B
Retailer 6
-
£1,332 GBP
$1,785 USD
View
B+
Retailer 7
-
£1,376 GBP
$1,844 USD
View
B+
Retailer 8
-
£1,438 GBP
View
Retailer 9
-
£1,758 GBP
$2,355 USD
View
Price last confirmed 22 days ago
B
Retailer 10
-
£2,530 GBP
$3,390 USD
View
Most Expensive
Frank Darling
100747479566KD · Oct 22
£2,680 GBP
$3,591 USD
View
Price last confirmed 8 days ago
10 more retailers have this diamond
Prices start from £284 GBPSave up to £2,246 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
3.09ct Emerald
£284 GBP