Emerald|Lab Grown|IGI

2.91ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG800618863

Shape and cutting style on the report: Emerald cut

Certificate IGI LG800618863

Diamond specifications and retailer prices

From £595 GBP
$797 USD
As of October 30, 2026
Save £4,622 GBP (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £5,217 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.91ct lab-grown emerald diamond

This 2.91ct lab-grown emerald sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800618863 or 800618863. Listed at 23 retailers as of October 29, 2026, with prices from £595 to £5,217, a £4,622 spread on the same certified stone. Brilliant Earth lists it at £5,217. 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

2.91
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.5°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800618863
Dimensions9.79 × 6.61 × 4.10 mm
L/W Ratio1.48
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.79 mm6.61 mm2.91 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800618863
Side View
Table 62.0%Crown 30.5°Girdle: MediumPavilion 37.2°Culet: LargeDepth 62.0%

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: £5,217 GBP|Low: £587 GBP|High: £5,829 GBP|Avg: £1,731 GBP|+4.8%
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 9£595 GBP
Retailer 5£647 GBP
Retailer 8£666 GBP
Retailer 14£690 GBP
Retailer 21£690 GBP
Retailer 4£821 GBP
Retailer 23£906 GBP
Retailer 15£1,021 GBP
Retailer 2£1,058 GBP
Retailer 18£1,105 GBP
Retailer 13£1,252 GBP
Retailer 19£1,636 GBP
Retailer 22£1,640 GBP
Retailer 17£1,779 GBP
Retailer 12£1,939 GBP
Retailer 10£2,138 GBP
Retailer 3£2,312 GBP
Retailer 7£2,332 GBP
Retailer 11£2,385 GBP
Retailer 6£2,474 GBP
Retailer 20£2,599 GBP
Retailer 16£2,930 GBP
Brilliant Earth£5,217 GBP

31 data points across 23 retailers

23 retailers£595 GBP to £5,217 GBP

A
Cheapest Retailer
-
£595 GBP
$797 USD
A
Retailer 2
-
£647 GBP
$867 USD
View
A
Retailer 3
-
£666 GBP
$892 USD
View
Final sale: no returns
A
Retailer 4
-
£690 GBP
$924 USD
View
Retailer 5
-
£690 GBP
$924 USD
View
Price last confirmed 13 days ago
A
Retailer 6
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£821 GBP
$1,100 USD
View
A
Retailer 7
-
£906 GBP
$1,214 USD
View
A
Retailer 8
-
£1,021 GBP
$1,368 USD
View
A
Retailer 9
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£1,058 GBP
View
A
Retailer 10
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£1,105 GBP
A$2,278 AUD
View
A
Retailer 11
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£1,252 GBP
€1,598 EUR
View
Retailer 12
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£1,636 GBP
A$3,372 AUD
View
Price last confirmed 9 days ago
A
Retailer 13
-
£1,640 GBP
$2,198 USD
View
A
Retailer 14
-
£1,779 GBP
ZAR 38,515 ZAR
View
A
Retailer 15
-
£1,939 GBP
$2,598 USD
View
A
Retailer 16
-
£2,138 GBP
View
A
Retailer 17
-
£2,312 GBP
$3,098 USD
View
A
Retailer 18
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£2,332 GBP
$3,124 USD
View
A
Retailer 19
-
£2,385 GBP
$3,196 USD
View
A
Retailer 20
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£2,474 GBP
$3,315 USD
View
Retailer 21
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£2,599 GBP
View
Price last confirmed 9 days ago
Retailer 22
-
£2,930 GBP
A$6,039 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
20618878A · Oct 29
£5,217 GBP
$6,990 USD
View
22 more retailers have this diamond
Prices start from £595 GBPSave up to £4,622 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
2.91ct Emerald
£595 GBP