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Oval|Lab Grown|IGI

1.54ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG772670455

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG772670455

Diamond specifications and retailer prices

From £493 GBP
$662 USD
As of November 1, 2026
Save £2,465 GBP (83%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £4,054 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 LG772670455 or 772670455. Listed at 25 retailers as of November 1, 2026, with a 500% 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 angle33.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772670455
Dimensions9.33 × 6.45 × 4.06 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
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
9.33 mm6.45 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772670455
Side View
Table 59.0%Crown 33.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.9%

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: £4,054 GBP|Low: £473 GBP|High: £4,054 GBP|Avg: £1,425 GBP
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
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Retailer 17
November 2, 2026
Retailer 3£493 GBP
Retailer 17£537 GBP
Retailer 6£572 GBP
Retailer 7£572 GBP
Retailer 10£647 GBP
Retailer 12£704 GBP
Retailer 8£820 GBP
Retailer 16£885 GBP
Retailer 11£915 GBP
Retailer 14£1,052 GBP
Retailer 2£1,293 GBP
Retailer 5£1,609 GBP
Retailer 9£1,849 GBP
Retailer 15£1,890 GBP
Retailer 13£2,423 GBP
Retailer 4£2,958 GBP
Brilliant Earth£4,054 GBP

37 data points across 17 retailers

25 retailers£493 GBP to £2,958 GBP

A
Cheapest Retailer
-
£493 GBP
$662 USD
A
Retailer 2
-
£537 GBP
$720 USD
View
A
Retailer 3
-
£552 GBP
$741 USD
View
Final sale: no returns
Retailer 4
-
£572 GBP
$768 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
£572 GBP
$768 USD
View
A
Retailer 6
-
£647 GBP
View
A
Retailer 7
-
£704 GBP
$945 USD
View
B+
Retailer 8
-
£754 GBP
$1,012 USD
View
B+
Retailer 9
-
£820 GBP
$1,100 USD
View
B+
Retailer 10
-
£870 GBP
$1,168 USD
View
B+
Retailer 11
-
£885 GBP
A$1,828 AUD
View
B+
Retailer 12
-
£915 GBP
View
B+
Retailer 13
-
£1,052 GBP
ZAR 22,799 ZAR
View
B+
Retailer 14
-
£1,293 GBP
$1,735 USD
View
B
Retailer 15
-
£1,609 GBP
$2,159 USD
View
B
Retailer 16
-
£1,783 GBP
View
B+
Retailer 17
-
£1,849 GBP
$2,481 USD
View
B
Retailer 18
-
£1,890 GBP
€2,416 EUR
View
B
Retailer 19
-
£1,928 GBP
SGD 3,497 SGD
View
B
Retailer 20
-
£1,952 GBP
$2,619 USD
View
B
Retailer 21
-
£1,974 GBP
$2,649 USD
View
B
Retailer 22
-
£1,988 GBP
$2,668 USD
View
B
Retailer 23
-
£2,423 GBP
View
B
Retailer 24
-
£2,958 GBP
$3,970 USD
View
Most Expensive
Brilliant Earth
18530186A · Nov 2
£4,054 GBP
$5,440 USD
View
Price under review
24 more retailers have this diamond
Prices start from £493 GBPSave up to £2,465 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
£493 GBP