Emerald|Lab Grown|IGI

3.09ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG728566908

Shape and cutting style on the report: Emerald cut

Certificate IGI LG728566908

Diamond specifications and retailer prices

From £1,085 GBP
$1,445 USD
As of October 27, 2026
Save £3,589 GBP (77%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £4,674 GBP at With Clarity · As of October 28, 2026
View at With Clarity

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 LG728566908 or 728566908. Listed at 23 retailers as of October 27, 2026, with prices from £1,085 to £4,674, a £3,589 spread on the same certified stone. With Clarity lists it at £4,674. 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 angle33.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728566908
Dimensions10.33 × 10.33 × 6.93 mm
L/W Ratio1.00
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.33 mm10.33 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728566908
Side View
Table 61.0%Crown 33.3°Girdle: MediumPavilion 41.3°Culet: LargeDepth 63.2%

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 27
Current: £1,771 GBP|Low: £1,042 GBP|High: £4,250 GBP|Avg: £2,324 GBP|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 10
Retailer 11
Retailer 12
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Retailer 14
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 29, 2026
Retailer 19£1,085 GBP
Retailer 11£1,180 GBP
Retailer 7£1,214 GBP
Retailer 9£1,259 GBP
Retailer 21£1,259 GBP
Retailer 6£1,385 GBP
Retailer 13£1,422 GBP
Retailer 1£1,771 GBP
Retailer 5£1,985 GBP
Retailer 15£2,240 GBP
Retailer 2£2,284 GBP
Retailer 8£2,359 GBP
Retailer 10£2,402 GBP
Retailer 16£2,847 GBP
Retailer 12£2,922 GBP
Retailer 14£3,044 GBP
Retailer 4£3,392 GBP
Retailer 18£3,613 GBP
Retailer 20£3,769 GBP
Retailer 3£3,879 GBP
Retailer 17£4,190 GBP

44 data points across 21 retailers

23 retailers£1,085 GBP to £4,674 GBP

A
Cheapest Retailer
-
£1,085 GBP
$1,445 USD
A
Retailer 2
-
£1,180 GBP
$1,572 USD
View
A
Retailer 3
-
£1,214 GBP
$1,617 USD
View
Final sale: no returns
A
Retailer 4
-
£1,259 GBP
$1,676 USD
View
A
Retailer 5
-
£1,259 GBP
$1,676 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
£1,385 GBP
$1,845 USD
View
A
Retailer 7
-
£1,422 GBP
$1,894 USD
View
A
Retailer 8
-
£1,771 GBP
View
A
Retailer 9
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£1,985 GBP
$2,644 USD
View
A
Retailer 10
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£2,240 GBP
€2,841 EUR
View
A
Retailer 11
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£2,284 GBP
$3,042 USD
View
A
Retailer 12
-
£2,359 GBP
$3,141 USD
View
A
Retailer 13
-
£2,402 GBP
$3,199 USD
View
B+
Retailer 14
-
£2,847 GBP
A$5,832 AUD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
£2,922 GBP
ZAR 62,872 ZAR
View
B+
Retailer 16
-
£3,044 GBP
View
B+
Retailer 17
-
£3,392 GBP
$4,517 USD
View
B+
Retailer 18
-
£3,613 GBP
View
B+
Retailer 19
-
£3,769 GBP
A$7,722 AUD
View
Price last confirmed 21 days ago
B+
Retailer 20
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£3,879 GBP
$5,166 USD
View
B+
Retailer 21
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£4,190 GBP
$5,580 USD
View
Price last confirmed 8 days ago
B
Retailer 22
-
£4,430 GBP
$5,899 USD
View
Most Expensive
B
With Clarity
728566908 · Oct 28
£4,674 GBP
$6,224 USD
View
22 more retailers have this diamond
Prices start from £1,085 GBPSave up to £3,589 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
£1,085 GBP