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Oval|Lab Grown|IGI

1.54ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG770618010

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG770618010

Diamond specifications and retailer prices

From £186 GBP
$249 USD
As of October 29, 2026
Save £1,792 GBP (91%) vs most expensive(unlock to see where)
19 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 LG770618010 or 770618010. Listed at 19 retailers as of October 29, 2026, with prices from £186 to £1,978, a £1,792 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 angle33.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770618010
Dimensions9.31 × 6.59 × 3.93 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
9.31 mm6.59 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770618010
Side View
Table 60.0%Crown 33.1°Girdle: MED-STKPavilion 39°Culet: NoneDepth 59.6%

Caratlytics Score

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A+
Exceptional
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 29
Current: £1,978 GBP|Low: £186 GBP|High: £2,411 GBP|Avg: £737 GBP|-18.0%
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
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 3£186 GBP
Retailer 6£207 GBP
Retailer 4£215 GBP
Retailer 2£269 GBP
Retailer 5£303 GBP
Retailer 18£329 GBP
Retailer 10£358 GBP
Retailer 16£417 GBP
Retailer 13£426 GBP
Retailer 12£590 GBP
Retailer 14£649 GBP
Retailer 7£785 GBP
Retailer 15£816 GBP
Retailer 8£917 GBP
Retailer 11£1,024 GBP
Retailer 9£1,776 GBP
Retailer 17£1,784 GBP
Brilliant Earth£1,978 GBP

29 data points across 18 retailers

19 retailers£186 GBP to £1,978 GBP

A+
Cheapest Retailer
-
£186 GBP
$249 USD
A
Retailer 2
-
£207 GBP
$278 USD
View
Final sale: no returns
A
Retailer 3
-
£215 GBP
$288 USD
View
A
Retailer 4
-
£269 GBP
View
A
Retailer 5
-
£303 GBP
$407 USD
View
B+
Retailer 6
-
£329 GBP
$441 USD
View
Retailer 7
-
£358 GBP
$480 USD
View
Price last confirmed 11 days ago
A
Retailer 8
-
£417 GBP
$559 USD
View
A
Retailer 9
-
£426 GBP
€543 EUR
View
A
Retailer 10
-
£590 GBP
A$1,217 AUD
View
A
Retailer 11
-
£649 GBP
$870 USD
View
Retailer 12
-
£662 GBP
$887 USD
View
Price last confirmed 45 days ago
B+
Retailer 13
-
£785 GBP
$1,052 USD
View
B+
Retailer 14
-
£816 GBP
$1,094 USD
View
B+
Retailer 15
-
£917 GBP
$1,229 USD
View
B+
Retailer 16
-
£1,024 GBP
View
Retailer 17
-
£1,776 GBP
$2,380 USD
View
Price last confirmed 12 days ago
B
Retailer 18
-
£1,784 GBP
$2,390 USD
View
Most Expensive
B
Brilliant Earth
21400496Y · Oct 30
£1,978 GBP
$2,650 USD
View
18 more retailers have this diamond
Prices start from £186 GBPSave up to £1,792 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
£186 GBP