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Oval|Lab Grown|IGI

1.54ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG669418958

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG669418958

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)
31 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 LG669418958 or 669418958. Listed at 31 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 angle33.2°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669418958
Dimensions9.57 × 6.49 × 4.08 mm
L/W Ratio1.47
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
9.57 mm6.49 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669418958
Side View
Table 59.0%Crown 33.2°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.9%

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: £852 GBP|-20.4%
Brilliant Earth
Retailer 2
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Retailer 22
October 31, 2026
Retailer 20£228 GBP
Retailer 13£358 GBP
Retailer 11£363 GBP
Retailer 3£373 GBP
Retailer 19£435 GBP
Retailer 8£437 GBP
Retailer 18£454 GBP
Retailer 2£466 GBP
Retailer 9£538 GBP
Retailer 10£592 GBP
Retailer 4£604 GBP
Retailer 17£614 GBP
Retailer 21£735 GBP
Retailer 6£940 GBP
Retailer 12£973 GBP
Retailer 5£1,028 GBP
Retailer 14£1,042 GBP
Retailer 16£1,063 GBP
Retailer 22£1,430 GBP
Retailer 7£1,717 GBP
Retailer 15£1,802 GBP
Brilliant Earth£1,978 GBP

37 data points across 22 retailers

31 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 37 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
A
Retailer 9
-
£358 GBP
$480 USD
View
A
Retailer 10
-
£363 GBP
HK$3,800 HKD
View
A
Retailer 11
-
£373 GBP
$500 USD
View
A
Retailer 12
-
£435 GBP
€555 EUR
View
A
Retailer 13
-
£437 GBP
$585 USD
View
A
Retailer 14
-
£454 GBP
ZAR 9,821 ZAR
View
A
Retailer 15
-
£466 GBP
View
A
Retailer 16
-
£538 GBP
A$1,108 AUD
View
A
Retailer 17
-
£592 GBP
$793 USD
View
A
Retailer 18
-
£604 GBP
$809 USD
View
A
Retailer 19
-
£614 GBP
A$1,266 AUD
View
B+
Retailer 20
-
£735 GBP
$985 USD
View
Retailer 21
-
£849 GBP
$1,137 USD
View
Price last confirmed 22 days ago
Retailer 22
-
£902 GBP
$1,209 USD
View
Price last confirmed 31 days ago
B+
Retailer 23
-
£940 GBP
$1,260 USD
View
B+
Retailer 24
-
£973 GBP
$1,303 USD
View
B+
Retailer 25
-
£1,028 GBP
$1,378 USD
View
B+
Retailer 26
-
£1,042 GBP
SGD 1,886 SGD
View
B+
Retailer 27
-
£1,063 GBP
View
Retailer 28
-
£1,430 GBP
A$2,948 AUD
View
Price last confirmed 23 days ago
B
Retailer 29
-
£1,717 GBP
$2,300 USD
View
Retailer 30
-
£1,802 GBP
$2,415 USD
View
Price last confirmed 33 days ago
Most Expensive
B
Brilliant Earth
13415820Y · Oct 30
£1,978 GBP
$2,650 USD
View
30 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