Emerald|Lab Grown|IGI

3.09ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG792623740

Shape and cutting style on the report: Emerald cut

Certificate IGI LG792623740

Diamond specifications and retailer prices

From £617 GBP
$821 USD
As of October 23, 2026
Save £4,460 GBP (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £5,076 GBP 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG792623740 or 792623740. Listed at 23 retailers as of October 23, 2026, with prices from £617 to £5,076, a £4,460 spread on the same certified stone. Brilliant Earth lists it at £5,076. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792623740
Dimensions10.15 × 6.77 × 4.30 mm
L/W Ratio1.50
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.15 mm6.77 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792623740
Side View
Table 65.0%Crown 31.7°Girdle: MED-STKPavilion 40.3°Culet: LargeDepth 63.5%

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 23
Current: £5,076 GBP|Low: £601 GBP|High: £5,639 GBP|Avg: £1,767 GBP|-3.0%
Brilliant Earth
Retailer 2
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Retailer 6
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Retailer 21
October 29, 2026
Retailer 5£617 GBP
Retailer 20£671 GBP
Retailer 11£689 GBP
Retailer 17£715 GBP
Retailer 14£727 GBP
Retailer 7£849 GBP
Retailer 3£993 GBP
Retailer 2£1,098 GBP
Retailer 13£1,120 GBP
Retailer 6£1,153 GBP
Retailer 4£1,613 GBP
Retailer 21£1,644 GBP
Retailer 16£1,660 GBP
Retailer 9£1,980 GBP
Retailer 19£2,010 GBP
Retailer 8£2,245 GBP
Retailer 18£2,284 GBP
Retailer 10£2,476 GBP
Retailer 15£2,694 GBP
Retailer 12£3,694 GBP
Brilliant Earth£5,076 GBP

32 data points across 21 retailers

23 retailers£617 GBP to £5,076 GBP

A
Cheapest Retailer
-
£617 GBP
$821 USD
A
Retailer 2
-
£671 GBP
$893 USD
View
A
Retailer 3
-
£689 GBP
$918 USD
View
Final sale: no returns
A
Retailer 4
-
£715 GBP
$952 USD
View
A
Retailer 5
-
£727 GBP
$968 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
£849 GBP
$1,130 USD
View
A
Retailer 7
-
£993 GBP
$1,323 USD
View
A
Retailer 8
-
£1,098 GBP
View
A
Retailer 9
-
£1,120 GBP
€1,420 EUR
View
A
Retailer 10
-
£1,153 GBP
$1,535 USD
View
A
Retailer 11
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£1,613 GBP
A$3,305 AUD
View
Price last confirmed 8 days ago
A
Retailer 12
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£1,644 GBP
$2,189 USD
View
A
Retailer 13
-
£1,660 GBP
ZAR 35,717 ZAR
View
A
Retailer 14
-
£1,980 GBP
View
Price last confirmed 8 days ago
A
Retailer 15
-
£2,010 GBP
$2,677 USD
View
A
Retailer 16
-
£2,245 GBP
$2,990 USD
View
A
Retailer 17
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£2,284 GBP
$3,042 USD
View
A
Retailer 18
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£2,284 GBP
$3,042 USD
View
A
Retailer 19
-
£2,476 GBP
$3,297 USD
View
B+
Retailer 20
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£2,694 GBP
View
B+
Retailer 21
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£3,694 GBP
A$7,568 AUD
View
Price last confirmed 21 days ago
B
Retailer 22
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£4,490 GBP
$5,979 USD
View
Price last confirmed 101 days ago
Most Expensive
B
Brilliant Earth
21220583A · Oct 28
£5,076 GBP
$6,760 USD
View
22 more retailers have this diamond
Prices start from £617 GBPSave up to £4,460 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
£617 GBP