Emerald|Lab Grown|IGI

3.09ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG712535186

Shape and cutting style on the report: Emerald cut

Certificate IGI LG712535186

Diamond specifications and retailer prices

From £1,019 GBP
$1,357 USD
As of October 30, 2026
Save £3,354 GBP (77%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £7,720 GBP at Brilliant Earth · As of October 16, 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 LG712535186 or 712535186. Listed at 24 retailers as of October 30, 2026, with a 329% 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712535186
Dimensions10.14 × 6.56 × 4.59 mm
L/W Ratio1.55
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.14 mm6.56 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712535186
Side View
Table 65.0%Crown 32.7°Girdle: Slightly ThickPavilion 41.5°Culet: LargeDepth 70.0%

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: £7,720 GBP|Low: £978 GBP|High: £7,720 GBP|Avg: £2,298 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
October 30, 2026
Retailer 18£1,019 GBP
Retailer 8£1,109 GBP
Retailer 10£1,141 GBP
Retailer 5£1,182 GBP
Retailer 7£1,182 GBP
Retailer 17£1,310 GBP
Retailer 2£1,667 GBP
Retailer 14£1,720 GBP
Retailer 12£1,836 GBP
Retailer 9£1,991 GBP
Retailer 6£2,216 GBP
Retailer 15£2,674 GBP
Retailer 11£2,745 GBP
Retailer 4£3,310 GBP
Retailer 3£3,721 GBP
Retailer 13£3,819 GBP
Retailer 16£4,190 GBP
Brilliant Earth£7,720 GBP

41 data points across 18 retailers

24 retailers£1,019 GBP to £4,373 GBP

A
Cheapest Retailer
-
£1,019 GBP
$1,357 USD
A
Retailer 2
-
£1,109 GBP
$1,477 USD
View
A
Retailer 3
-
£1,141 GBP
$1,519 USD
View
Final sale: no returns
A
Retailer 4
-
£1,182 GBP
$1,574 USD
View
Retailer 5
-
£1,182 GBP
$1,574 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
£1,310 GBP
$1,745 USD
View
A
Retailer 7
-
£1,667 GBP
View
A
Retailer 8
-
£1,720 GBP
$2,290 USD
View
A
Retailer 9
-
£1,836 GBP
€2,328 EUR
View
A
Retailer 10
-
£1,900 GBP
$2,530 USD
View
A
Retailer 11
-
£1,991 GBP
$2,652 USD
View
A
Retailer 12
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£2,216 GBP
$2,951 USD
View
Retailer 13
-
£2,674 GBP
A$5,478 AUD
View
Price last confirmed 7 days ago
A
Retailer 14
-
£2,745 GBP
ZAR 59,057 ZAR
View
B+
Retailer 15
-
£2,850 GBP
View
B+
Retailer 16
-
£3,187 GBP
$4,244 USD
View
B+
Retailer 17
-
£3,310 GBP
$4,408 USD
View
B+
Retailer 18
-
£3,669 GBP
$4,886 USD
View
Retailer 19
-
£3,721 GBP
A$7,623 AUD
View
Price last confirmed 21 days ago
B+
Retailer 20
-
£3,819 GBP
View
B+
Retailer 21
-
£4,155 GBP
$5,533 USD
View
Retailer 22
-
£4,190 GBP
$5,580 USD
View
Price last confirmed 8 days ago
B
Retailer 23
-
£4,373 GBP
$5,823 USD
View
Most Expensive
Brilliant Earth
15520404A · Oct 16
£7,720 GBP
$10,280 USD
View
Price last confirmed 13 days ago
23 more retailers have this diamond
Prices start from £1,019 GBPSave up to £3,354 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
£1,019 GBP