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Emerald|Lab Grown|IGI

1.51ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG818654288

Shape and cutting style on the report: Emerald cut

Certificate IGI LG818654288

Diamond specifications and retailer prices

From £303 GBP
$404 USD
As of October 27, 2026
Save £2,565 GBP (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,869 GBP at Brilliant Earth · As of October 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 LG818654288 or 818654288. Listed at 20 retailers as of October 27, 2026, with prices from £303 to £2,869, a £2,565 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 angle32.7°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654288
Dimensions7.81 × 5.34 × 3.53 mm
L/W Ratio1.46
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
7.81 mm5.34 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654288
Side View
Table 63.0%Crown 32.7°Girdle: MED-STKPavilion 39.2°Culet: LargeDepth 66.1%

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: £2,869 GBP|Low: £303 GBP|High: £2,869 GBP|Avg: £1,092 GBP
Brilliant Earth
Retailer 2
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Retailer 20
October 29, 2026
Retailer 9£303 GBP
Retailer 5£340 GBP
Retailer 6£340 GBP
Retailer 17£376 GBP
Retailer 18£376 GBP
Retailer 16£488 GBP
Retailer 8£595 GBP
Retailer 13£602 GBP
Retailer 2£616 GBP
Retailer 15£647 GBP
Retailer 3£790 GBP
Retailer 11£907 GBP
Retailer 10£1,196 GBP
Retailer 20£1,210 GBP
Retailer 7£1,216 GBP
Retailer 4£1,236 GBP
Retailer 14£1,309 GBP
Retailer 19£1,472 GBP
Retailer 12£2,579 GBP
Brilliant Earth£2,869 GBP

33 data points across 20 retailers

20 retailers£303 GBP to £2,869 GBP

A
Cheapest Retailer
-
£303 GBP
$404 USD
A
Retailer 2
-
£340 GBP
$453 USD
View
A
Retailer 3
-
£340 GBP
$453 USD
View
Final sale: no returns
A
Retailer 4
-
£376 GBP
$501 USD
View
A
Retailer 5
-
£376 GBP
$501 USD
View
A
Retailer 6
-
£488 GBP
$650 USD
View
A
Retailer 7
-
£595 GBP
$793 USD
View
A
Retailer 8
-
£602 GBP
€764 EUR
View
A
Retailer 9
-
£616 GBP
View
A
Retailer 10
-
£647 GBP
ZAR 13,911 ZAR
View
B+
Retailer 11
-
£790 GBP
$1,052 USD
View
B+
Retailer 12
-
£907 GBP
$1,208 USD
View
B+
Retailer 13
-
£1,196 GBP
SGD 2,153 SGD
View
B+
Retailer 14
-
£1,210 GBP
$1,611 USD
View
B+
Retailer 15
-
£1,216 GBP
$1,619 USD
View
B+
Retailer 16
-
£1,236 GBP
$1,646 USD
View
B+
Retailer 17
-
£1,309 GBP
$1,743 USD
View
B+
Retailer 18
-
£1,472 GBP
View
B
Retailer 19
-
£2,579 GBP
$3,435 USD
View
Most Expensive
B
Brilliant Earth
21434190A · Oct 28
£2,869 GBP
$3,820 USD
View
19 more retailers have this diamond
Prices start from £303 GBPSave up to £2,565 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
£303 GBP