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Emerald|Lab Grown|IGI

1.51ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG811638170

Shape and cutting style on the report: Emerald cut

Certificate IGI LG811638170

Diamond specifications and retailer prices

From £295 GBP
$393 USD
As of October 30, 2026
Save £2,573 GBP (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,869 GBP at Brilliant Earth · As of October 29, 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 LG811638170 or 811638170. Listed at 20 retailers as of October 29, 2026, with prices from £295 to £2,869, a £2,573 spread on the same certified stone. Brilliant Earth lists it at £2,869. 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 angle34.8°
Pavilion angle43.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638170
Dimensions7.68 × 5.31 × 3.61 mm
L/W Ratio1.45
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
7.68 mm5.31 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638170
Side View
Table 68.0%Crown 34.8°Girdle: Slightly ThickPavilion 43.6°Culet: LargeDepth 68.0%

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: £2,869 GBP|Low: £295 GBP|High: £2,869 GBP|Avg: £1,070 GBP
Brilliant Earth
Retailer 2
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Retailer 20
October 30, 2026
Retailer 9£295 GBP
Retailer 4£330 GBP
Retailer 7£330 GBP
Retailer 18£366 GBP
Retailer 19£366 GBP
Retailer 17£552 GBP
Retailer 8£580 GBP
Retailer 13£587 GBP
Retailer 2£600 GBP
Retailer 16£628 GBP
Retailer 3£787 GBP
Retailer 11£876 GBP
Retailer 10£1,166 GBP
Retailer 20£1,175 GBP
Retailer 5£1,179 GBP
Retailer 6£1,203 GBP
Retailer 15£1,272 GBP
Retailer 14£1,436 GBP
Retailer 12£2,579 GBP
Brilliant Earth£2,869 GBP

34 data points across 20 retailers

20 retailers£295 GBP to £2,869 GBP

A
Cheapest Retailer
-
£295 GBP
$393 USD
A
Retailer 2
-
£330 GBP
$440 USD
View
Final sale: no returns
A
Retailer 3
-
£330 GBP
$440 USD
View
A
Retailer 4
-
£366 GBP
$487 USD
View
A
Retailer 5
-
£366 GBP
$487 USD
View
A
Retailer 6
-
£552 GBP
$735 USD
View
A
Retailer 7
-
£580 GBP
$773 USD
View
A
Retailer 8
-
£587 GBP
€744 EUR
View
A
Retailer 9
-
£600 GBP
View
A
Retailer 10
-
£628 GBP
ZAR 13,519 ZAR
View
B+
Retailer 11
-
£787 GBP
$1,048 USD
View
B+
Retailer 12
-
£876 GBP
$1,167 USD
View
B+
Retailer 13
-
£1,166 GBP
SGD 2,098 SGD
View
B+
Retailer 14
-
£1,175 GBP
$1,565 USD
View
B+
Retailer 15
-
£1,179 GBP
$1,570 USD
View
B+
Retailer 16
-
£1,203 GBP
$1,602 USD
View
B+
Retailer 17
-
£1,272 GBP
$1,694 USD
View
B+
Retailer 18
-
£1,436 GBP
View
B
Retailer 19
-
£2,579 GBP
$3,435 USD
View
Most Expensive
B
Brilliant Earth
21422597A · Oct 29
£2,869 GBP
$3,820 USD
View
19 more retailers have this diamond
Prices start from £295 GBPSave up to £2,573 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
£295 GBP