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Round|Lab Grown|IGI

1.54ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG815677095

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815677095

Diamond specifications and retailer prices

From £265 GBP
$353 USD
As of October 28, 2026
Save £1,853 GBP (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,118 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815677095 or 815677095. Listed at 24 retailers as of October 28, 2026, with prices from £265 to £2,118, a £1,853 spread on the same certified stone. Brilliant Earth lists it at £2,118. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815677095
Dimensions7.46 × 7.44 × 4.52 mm
L/W Ratio1.00
Girdle conditionFaceted
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
7.46 mm7.44 mm1.54 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815677095
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £2,118 GBP|Low: £265 GBP|High: £2,193 GBP|Avg: £834 GBP|-3.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 6£265 GBP
Retailer 4£413 GBP
Retailer 13£413 GBP
Retailer 9£478 GBP
Retailer 12£504 GBP
Retailer 2£520 GBP
Retailer 8£662 GBP
Retailer 3£682 GBP
Retailer 11£684 GBP
Retailer 15£861 GBP
Retailer 7£978 GBP
Retailer 14£1,036 GBP
Retailer 5£1,172 GBP
Retailer 10£1,183 GBP
Retailer 16£1,596 GBP
Brilliant Earth£2,118 GBP

37 data points across 16 retailers

24 retailers£265 GBP to £2,118 GBP

A
Retailer 1
-
£237 GBP
$315 USD
Price last confirmed 19 days ago
A
Retailer 2
-
£243 GBP
$323 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
£265 GBP
$353 USD
View
Final sale: no returns
A
Retailer 4
-
£282 GBP
$375 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
£294 GBP
$391 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
£294 GBP
$391 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
£297 GBP
$396 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
£413 GBP
$550 USD
View
A
Retailer 9
-
£413 GBP
$550 USD
View
A
Retailer 10
-
£478 GBP
€606 EUR
View
A
Retailer 11
-
£504 GBP
ZAR 10,848 ZAR
View
A
Retailer 12
-
£520 GBP
View
A
Retailer 13
-
£662 GBP
$881 USD
View
A
Retailer 14
-
£682 GBP
$908 USD
View
A
Retailer 15
-
£684 GBP
A$1,401 AUD
View
B+
Retailer 16
-
£861 GBP
$1,146 USD
View
B+
Retailer 17
-
£943 GBP
$1,256 USD
View
Price last confirmed 22 days ago
B+
Retailer 18
-
£968 GBP
$1,289 USD
View
Price last confirmed 38 days ago
B+
Retailer 19
-
£978 GBP
$1,302 USD
View
B+
Retailer 20
-
£1,036 GBP
$1,380 USD
View
B+
Retailer 21
-
£1,172 GBP
$1,561 USD
View
B+
Retailer 22
-
£1,183 GBP
View
B
Retailer 23
-
£1,596 GBP
$2,125 USD
View
Most Expensive
B
Brilliant Earth
21017409A · Oct 29
£2,118 GBP
$2,820 USD
View
23 more retailers have this diamond
Prices start from £265 GBPSave up to £1,853 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 Round
£265 GBP