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Oval|Lab Grown|IGI

1.54ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG839683864

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839683864

Diamond specifications and retailer prices

From £317 GBP
$426 USD
As of November 1, 2026
Save £2,958 GBP (90%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £4,046 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 LG839683864 or 839683864. Listed at 26 retailers as of October 30, 2026, with a 932% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839683864
Dimensions9.68 × 6.48 × 3.97 mm
L/W Ratio1.49
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
9.68 mm6.48 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839683864
Side View
Table 62.0%Crown 34.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.3%

Caratlytics Score

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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: £416 GBP|Low: £305 GBP|High: £3,275 GBP|Avg: £971 GBP|-1.3%
Retailer 1
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Retailer 24
November 2, 2026
Retailer 23£317 GBP
Retailer 3£355 GBP
Retailer 7£393 GBP
Retailer 24£393 GBP
Retailer 9£400 GBP
Retailer 1£416 GBP
Retailer 21£469 GBP
Retailer 13£552 GBP
Retailer 20£599 GBP
Retailer 15£626 GBP
Retailer 22£628 GBP
Retailer 18£648 GBP
Retailer 12£678 GBP
Retailer 6£812 GBP
Retailer 11£863 GBP
Retailer 2£1,221 GBP
Retailer 8£1,264 GBP
Retailer 5£1,289 GBP
Retailer 10£1,304 GBP
Retailer 4£1,426 GBP
Retailer 19£1,444 GBP
Retailer 17£1,701 GBP
Retailer 16£1,809 GBP
Retailer 14£3,275 GBP

31 data points across 24 retailers

26 retailers£317 GBP to £3,275 GBP

A
Cheapest Retailer
-
£317 GBP
$426 USD
A
Retailer 2
-
£355 GBP
$477 USD
View
Retailer 3
-
£393 GBP
$528 USD
View
Price last confirmed 8 days ago
A
Retailer 4
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£393 GBP
$528 USD
View
A
Retailer 5
-
£400 GBP
$537 USD
View
Final sale: no returns
A
Retailer 6
-
£416 GBP
View
A
Retailer 7
-
£469 GBP
$630 USD
View
A
Retailer 8
-
£552 GBP
$741 USD
View
A
Retailer 9
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£599 GBP
€766 EUR
View
A
Retailer 10
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£626 GBP
$840 USD
View
A
Retailer 11
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£628 GBP
$843 USD
View
A
Retailer 12
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£648 GBP
View
A
Retailer 13
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£678 GBP
ZAR 14,703 ZAR
View
B+
Retailer 14
-
£812 GBP
$1,089 USD
View
B+
Retailer 15
-
£863 GBP
$1,159 USD
View
B+
Retailer 16
-
£1,221 GBP
$1,639 USD
View
B+
Retailer 17
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£1,264 GBP
$1,696 USD
View
B+
Retailer 18
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£1,289 GBP
$1,729 USD
View
B+
Retailer 19
-
£1,304 GBP
CA$2,430 CAD
View
B
Retailer 20
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£1,426 GBP
$1,913 USD
View
B+
Retailer 21
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£1,444 GBP
View
B
Retailer 22
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£1,701 GBP
$2,282 USD
View
B
Retailer 23
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£1,809 GBP
$2,428 USD
View
B
Retailer 24
-
£3,275 GBP
$4,395 USD
View
Retailer 25
-
£4,046 GBP
$5,430 USD
View
Price under review
Most Expensive
Brilliant Earth
21790906A · Nov 2
£4,046 GBP
$5,430 USD
View
Price under review
25 more retailers have this diamond
Prices start from £317 GBPSave up to £2,958 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
£317 GBP