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Oval|Lab Grown|IGI

1.54ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG804605004

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG804605004

Diamond specifications and retailer prices

From £341 GBP
$457 USD
As of November 1, 2026
Save £2,935 GBP (90%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: £4,017 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.54ct lab-grown oval diamond

This 1.54ct lab-grown oval 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 LG804605004 or 804605004. Listed at 28 retailers as of November 1, 2026, with a 862% 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

1.54
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804605004
Dimensions9.79 × 6.51 × 3.92 mm
L/W Ratio1.50
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
9.79 mm6.51 mm1.54 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804605004
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.2%

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: Nov 1
Current: £4,017 GBP|Low: £327 GBP|High: £4,017 GBP|Avg: £1,291 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
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Retailer 19
November 2, 2026
Retailer 19£341 GBP
Retailer 15£381 GBP
Retailer 11£382 GBP
Retailer 6£423 GBP
Retailer 17£570 GBP
Retailer 4£626 GBP
Retailer 14£680 GBP
Retailer 5£706 GBP
Retailer 18£724 GBP
Retailer 12£770 GBP
Retailer 2£804 GBP
Retailer 9£1,223 GBP
Retailer 10£1,227 GBP
Retailer 3£1,452 GBP
Retailer 16£1,605 GBP
Retailer 13£1,946 GBP
Retailer 8£2,608 GBP
Retailer 7£3,275 GBP
Brilliant Earth£4,017 GBP

39 data points across 19 retailers

28 retailers£341 GBP to £3,275 GBP

A
Cheapest Retailer
-
£341 GBP
$457 USD
Retailer 2
-
£341 GBP
$457 USD
View
Price last confirmed 40 days ago
A
Retailer 3
-
£381 GBP
$511 USD
View
Final sale: no returns
A
Retailer 4
-
£382 GBP
$512 USD
View
Retailer 5
-
£417 GBP
$559 USD
View
Price last confirmed 41 days ago
A
Retailer 6
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£423 GBP
$567 USD
View
Retailer 7
-
£423 GBP
$567 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
£480 GBP
$644 USD
View
A
Retailer 9
-
£570 GBP
$765 USD
View
A
Retailer 10
-
£626 GBP
$840 USD
View
A
Retailer 11
-
£634 GBP
$851 USD
View
A
Retailer 12
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£680 GBP
€869 EUR
View
A
Retailer 13
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£706 GBP
A$1,458 AUD
View
B+
Retailer 14
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£724 GBP
$971 USD
View
A
Retailer 15
-
£770 GBP
View
B+
Retailer 16
-
£804 GBP
ZAR 17,431 ZAR
View
B+
Retailer 17
-
£1,035 GBP
$1,389 USD
View
B+
Retailer 18
-
£1,223 GBP
$1,641 USD
View
B+
Retailer 19
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£1,227 GBP
$1,646 USD
View
B
Retailer 20
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£1,304 GBP
CA$2,430 CAD
View
B
Retailer 21
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£1,452 GBP
$1,949 USD
View
B
Retailer 22
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£1,492 GBP
$2,003 USD
View
B
Retailer 23
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£1,605 GBP
$2,154 USD
View
B
Retailer 24
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£1,809 GBP
$2,428 USD
View
B
Retailer 25
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£1,946 GBP
View
B
Retailer 26
-
£2,608 GBP
$3,500 USD
View
B
Retailer 27
-
£3,275 GBP
$4,395 USD
View
Most Expensive
Brilliant Earth
21157904Y · Nov 2
£4,017 GBP
$5,390 USD
View
Price under review
27 more retailers have this diamond
Prices start from £341 GBPSave up to £2,935 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 Oval
£341 GBP