Emerald|Lab Grown|IGI

1.51ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG804649786

Shape and cutting style on the report: Emerald cut

Certificate IGI LG804649786

Diamond specifications and retailer prices

From £293 GBP
$393 USD
As of October 30, 2026
Save £2,270 GBP (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £2,941 GBP at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804649786 or 804649786. Listed at 25 retailers as of October 28, 2026, with a 774% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804649786
Dimensions8.11 × 5.37 × 3.63 mm
L/W Ratio1.51
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.11 mm5.37 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804649786
Side View
Table 66.0%Crown 33.6°Girdle: MediumPavilion 41.6°Culet: LargeDepth 67.6%

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: £2,202 GBP|Low: £293 GBP|High: £2,851 GBP|Avg: £979 GBP|-22.8%
Brilliant Earth
Retailer 2
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Retailer 22
October 31, 2026
Retailer 11£293 GBP
Retailer 4£328 GBP
Retailer 9£328 GBP
Retailer 20£363 GBP
Retailer 21£363 GBP
Retailer 19£474 GBP
Retailer 8£545 GBP
Retailer 10£577 GBP
Retailer 16£583 GBP
Retailer 2£591 GBP
Retailer 18£625 GBP
Retailer 3£782 GBP
Retailer 14£871 GBP
Retailer 6£1,058 GBP
Retailer 12£1,159 GBP
Retailer 22£1,168 GBP
Retailer 5£1,172 GBP
Retailer 7£1,196 GBP
Retailer 13£1,272 GBP
Retailer 17£1,427 GBP
Brilliant Earth£2,202 GBP
Retailer 15£2,564 GBP

29 data points across 22 retailers

25 retailers£293 GBP to £2,564 GBP

A
Cheapest Retailer
-
£293 GBP
$393 USD
A
Retailer 2
-
£328 GBP
$440 USD
View
Final sale: no returns
A
Retailer 3
-
£328 GBP
$440 USD
View
A
Retailer 4
-
£363 GBP
$487 USD
View
A
Retailer 5
-
£363 GBP
$487 USD
View
A
Retailer 6
-
£474 GBP
$635 USD
View
A
Retailer 7
-
£545 GBP
$730 USD
View
A
Retailer 8
-
£577 GBP
$773 USD
View
A
Retailer 9
-
£583 GBP
€744 EUR
View
A
Retailer 10
-
£591 GBP
View
A
Retailer 11
-
£625 GBP
ZAR 13,519 ZAR
View
B+
Retailer 12
-
£782 GBP
$1,048 USD
View
B+
Retailer 13
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£871 GBP
$1,167 USD
View
Retailer 14
-
£1,037 GBP
$1,389 USD
View
Price last confirmed 44 days ago
B+
Retailer 15
-
£1,058 GBP
View
B+
Retailer 16
-
£1,159 GBP
SGD 2,098 SGD
View
B+
Retailer 17
-
£1,168 GBP
$1,565 USD
View
B+
Retailer 18
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£1,172 GBP
$1,570 USD
View
B+
Retailer 19
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£1,196 GBP
$1,602 USD
View
B+
Retailer 20
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£1,272 GBP
$1,705 USD
View
B+
Retailer 21
-
£1,361 GBP
$1,824 USD
View
B+
Retailer 22
-
£1,427 GBP
View
B
Retailer 23
-
£2,202 GBP
$2,950 USD
View
B
Retailer 24
-
£2,564 GBP
$3,435 USD
View
Most Expensive
Brilliant Earth
20484387A · Sep 28
£2,941 GBP
$3,940 USD
View
Price last confirmed 32 days ago
24 more retailers have this diamond
Prices start from £293 GBPSave up to £2,270 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
1.51ct Emerald
£293 GBP