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Oval|Lab Grown|IGI

1.54ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG772670549

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG772670549

Diamond specifications and retailer prices

From £494 GBP
$662 USD
As of November 1, 2026
Save £1,932 GBP (80%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £4,060 GBP at Brilliant Earth · As of October 31, 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 LG772670549 or 772670549. Listed at 25 retailers as of October 29, 2026, with a 391% 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 angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772670549
Dimensions9.15 × 6.57 × 4.08 mm
L/W Ratio1.39
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
9.15 mm6.57 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772670549
Side View
Table 60.0%Crown 33.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.1%

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: Nov 1
Current: £4,060 GBP|Low: £474 GBP|High: £4,060 GBP|Avg: £1,388 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 17£494 GBP
Retailer 16£537 GBP
Retailer 4£573 GBP
Retailer 5£573 GBP
Retailer 10£648 GBP
Retailer 11£705 GBP
Retailer 8£821 GBP
Retailer 15£887 GBP
Retailer 2£916 GBP
Retailer 13£1,053 GBP
Retailer 6£1,333 GBP
Retailer 3£1,611 GBP
Retailer 9£1,852 GBP
Retailer 14£1,893 GBP
Retailer 12£2,426 GBP
Retailer 7£2,997 GBP
Brilliant Earth£4,060 GBP

38 data points across 17 retailers

25 retailers£494 GBP to £2,426 GBP

A
Cheapest Retailer
-
£494 GBP
$662 USD
A
Retailer 2
-
£537 GBP
$720 USD
View
A
Retailer 3
-
£553 GBP
$741 USD
View
Final sale: no returns
A
Retailer 4
-
£573 GBP
$768 USD
View
Retailer 5
-
£573 GBP
$768 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
£648 GBP
View
A
Retailer 7
-
£705 GBP
$945 USD
View
B+
Retailer 8
-
£755 GBP
$1,012 USD
View
B+
Retailer 9
-
£821 GBP
$1,100 USD
View
B+
Retailer 10
-
£872 GBP
$1,168 USD
View
B+
Retailer 11
-
£887 GBP
A$1,828 AUD
View
B+
Retailer 12
-
£916 GBP
View
B+
Retailer 13
-
£1,053 GBP
ZAR 22,799 ZAR
View
B+
Retailer 14
-
£1,333 GBP
$1,786 USD
View
B
Retailer 15
-
£1,611 GBP
$2,159 USD
View
B
Retailer 16
-
£1,786 GBP
View
B+
Retailer 17
-
£1,852 GBP
$2,481 USD
View
B
Retailer 18
-
£1,893 GBP
€2,416 EUR
View
B
Retailer 19
-
£1,931 GBP
SGD 3,497 SGD
View
B
Retailer 20
-
£1,955 GBP
$2,619 USD
View
B
Retailer 21
-
£1,977 GBP
$2,649 USD
View
B
Retailer 22
-
£1,991 GBP
$2,668 USD
View
B
Retailer 23
-
£2,426 GBP
View
Retailer 24
-
£2,997 GBP
$4,015 USD
View
Price last confirmed 18 days ago
Most Expensive
Brilliant Earth
18562031A · Oct 31
£4,060 GBP
$5,440 USD
View
Price under review
24 more retailers have this diamond
Prices start from £494 GBPSave up to £1,932 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
£494 GBP