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Emerald|Lab Grown|IGI

1.54ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG830628657

Shape and cutting style on the report: Emerald cut

Certificate IGI LG830628657

Diamond specifications and retailer prices

From £296 GBP
$394 USD
As of October 30, 2026
Save £3,369 GBP (92%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,665 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.54ct lab-grown emerald diamond

This 1.54ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830628657 or 830628657. Listed at 16 retailers as of October 29, 2026, with prices from £296 to £3,665, a £3,369 spread on the same certified stone. Brilliant Earth lists it at £3,665. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830628657
Dimensions7.78 × 5.46 × 3.55 mm
L/W Ratio1.42
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
7.78 mm5.46 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830628657
Side View
Table 64.0%Crown 33.8°Girdle: MED-STKPavilion 38.6°Culet: LargeDepth 65.0%

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: £3,665 GBP|Low: £296 GBP|High: £3,777 GBP|Avg: £1,365 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
October 29, 2026
Retailer 13£296 GBP
Retailer 5£331 GBP
Retailer 15£483 GBP
Retailer 6£544 GBP
Retailer 14£582 GBP
Retailer 11£613 GBP
Retailer 7£645 GBP
Retailer 2£652 GBP
Retailer 17£1,028 GBP
Retailer 3£1,085 GBP
Retailer 4£1,301 GBP
Retailer 18£1,488 GBP
Retailer 9£1,970 GBP
Retailer 12£2,024 GBP
Retailer 10£2,229 GBP
Retailer 16£2,628 GBP
Retailer 8£2,745 GBP
Brilliant Earth£3,665 GBP

35 data points across 18 retailers

16 retailers£296 GBP to £3,665 GBP

A
Cheapest Retailer
-
£296 GBP
$394 USD
A
Retailer 2
-
£331 GBP
$441 USD
View
A
Retailer 3
-
£483 GBP
$643 USD
View
A
Retailer 4
-
£544 GBP
$725 USD
View
A
Retailer 5
-
£582 GBP
$775 USD
View
A
Retailer 6
-
£613 GBP
$816 USD
View
A
Retailer 7
-
£645 GBP
$859 USD
View
A
Retailer 8
-
£652 GBP
€827 EUR
View
B+
Retailer 9
-
£1,028 GBP
$1,369 USD
View
B+
Retailer 10
-
£1,085 GBP
$1,444 USD
View
B+
Retailer 11
-
£1,301 GBP
$1,732 USD
View
B+
Retailer 12
-
£1,488 GBP
View
B
Retailer 13
-
£2,024 GBP
$2,695 USD
View
B
Retailer 14
-
£2,628 GBP
$3,500 USD
View
B
Retailer 15
-
£2,745 GBP
$3,655 USD
View
Most Expensive
B
Brilliant Earth
21581481Y · Oct 29
£3,665 GBP
$4,880 USD
View
15 more retailers have this diamond
Prices start from £296 GBPSave up to £3,369 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
1.54ct Emerald
£296 GBP