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Oval|Lab Grown|IGI

1.54ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG641411279

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG641411279

Diamond specifications and retailer prices

From £228 GBP
$306 USD
As of October 30, 2026
Save £1,749 GBP (88%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: £1,978 GBP at Brilliant Earth · As of October 30, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG641411279 or 641411279. Listed at 33 retailers as of October 30, 2026, with prices from £228 to £1,978, a £1,749 spread on the same certified stone. Brilliant Earth lists it at £1,978. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG641411279
Dimensions9.29 × 6.57 × 4.09 mm
L/W Ratio1.41
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
9.29 mm6.57 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG641411279
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.3%

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: Oct 30
Current: £1,978 GBP|Low: £215 GBP|High: £2,485 GBP|Avg: £816 GBP|-20.4%
Brilliant Earth
Retailer 2
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Retailer 21
Retailer 22
October 31, 2026
Retailer 21£228 GBP
Retailer 3£283 GBP
Retailer 4£351 GBP
Retailer 12£363 GBP
Retailer 5£373 GBP
Retailer 19£435 GBP
Retailer 9£437 GBP
Retailer 17£454 GBP
Retailer 2£466 GBP
Retailer 10£523 GBP
Retailer 11£592 GBP
Retailer 6£604 GBP
Retailer 16£614 GBP
Retailer 22£735 GBP
Retailer 14£973 GBP
Retailer 7£1,028 GBP
Retailer 15£1,042 GBP
Retailer 18£1,060 GBP
Retailer 13£1,414 GBP
Retailer 8£1,717 GBP
Retailer 20£1,791 GBP
Brilliant Earth£1,978 GBP

35 data points across 22 retailers

33 retailers£228 GBP to £1,978 GBP

Retailer 1
-
£205 GBP
$275 USD
Price last confirmed 33 days ago
Retailer 2
-
£224 GBP
$300 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
£228 GBP
$306 USD
View
Final sale: no returns
Retailer 4
-
£238 GBP
$319 USD
View
Price last confirmed 36 days ago
A
Retailer 5
-
£240 GBP
$321 USD
View
Retailer 6
-
£240 GBP
$321 USD
View
Price last confirmed 21 days ago
Retailer 7
-
£240 GBP
$321 USD
View
Price last confirmed 29 days ago
Retailer 8
-
£251 GBP
$336 USD
View
Price last confirmed 32 days ago
Retailer 9
-
£283 GBP
View
Price last confirmed 16 days ago
A
Retailer 10
-
£351 GBP
$470 USD
View
A
Retailer 11
-
£363 GBP
HK$3,800 HKD
View
A
Retailer 12
-
£373 GBP
$500 USD
View
A
Retailer 13
-
£435 GBP
€555 EUR
View
A
Retailer 14
-
£437 GBP
$585 USD
View
A
Retailer 15
-
£454 GBP
ZAR 9,821 ZAR
View
Retailer 16
-
£461 GBP
View
Price last confirmed 16 days ago
A
Retailer 17
-
£466 GBP
View
A
Retailer 18
-
£523 GBP
A$1,078 AUD
View
A
Retailer 19
-
£592 GBP
$793 USD
View
A
Retailer 20
-
£604 GBP
$809 USD
View
A
Retailer 21
-
£614 GBP
A$1,266 AUD
View
B+
Retailer 22
-
£735 GBP
$985 USD
View
Retailer 23
-
£849 GBP
$1,137 USD
View
Price last confirmed 21 days ago
Retailer 24
-
£902 GBP
$1,209 USD
View
Price last confirmed 31 days ago
B+
Retailer 25
-
£973 GBP
$1,303 USD
View
B+
Retailer 26
-
£1,028 GBP
$1,378 USD
View
B+
Retailer 27
-
£1,042 GBP
SGD 1,886 SGD
View
B+
Retailer 28
-
£1,060 GBP
View
B+
Retailer 29
-
£1,414 GBP
A$2,915 AUD
View
B
Retailer 30
-
£1,717 GBP
$2,300 USD
View
Retailer 31
-
£1,791 GBP
$2,400 USD
View
Price last confirmed 13 days ago
Retailer 32
-
£1,802 GBP
$2,415 USD
View
Price last confirmed 33 days ago
Most Expensive
B
Brilliant Earth
13057172Y · Oct 30
£1,978 GBP
$2,650 USD
View
32 more retailers have this diamond
Prices start from £228 GBPSave up to £1,749 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
£228 GBP