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Oval|Lab Grown|IGI

1.54ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG754508104

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754508104

Diamond specifications and retailer prices

From £228 GBP
$306 USD
As of October 30, 2026
Save £1,814 GBP (89%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: £2,043 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

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 LG754508104 or 754508104. Listed at 32 retailers as of October 30, 2026, with prices from £228 to £2,043, a £1,814 spread on the same certified stone. Blue Nile lists it at £2,043. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508104
Dimensions9.49 × 6.42 × 4.04 mm
L/W Ratio1.48
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
9.49 mm6.42 mm1.54 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508104
Side View
Table 59.0%Crown 36.7°Girdle: MED-STKPavilion 39.9°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: £2,043 GBP|Low: £228 GBP|High: £2,485 GBP|Avg: £858 GBP
Blue Nile
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October 31, 2026
Retailer 8£228 GBP
Retailer 19£238 GBP
Retailer 3£283 GBP
Retailer 13£358 GBP
Retailer 14£363 GBP
Retailer 7£373 GBP
Retailer 25£435 GBP
Retailer 10£437 GBP
Retailer 24£454 GBP
Retailer 2£466 GBP
Retailer 11£538 GBP
Retailer 12£592 GBP
Retailer 9£604 GBP
Retailer 23£614 GBP
Retailer 26£735 GBP
Retailer 18£902 GBP
Retailer 4£940 GBP
Retailer 15£973 GBP
Retailer 6£1,028 GBP
Retailer 16£1,042 GBP
Retailer 22£1,063 GBP
Retailer 20£1,414 GBP
Retailer 5£1,717 GBP
Retailer 17£1,802 GBP
Retailer 21£1,978 GBP
Blue Nile£2,043 GBP

39 data points across 26 retailers

32 retailers£228 GBP to £2,043 GBP

Retailer 1
-
£205 GBP
$275 USD
Price last confirmed 32 days ago
Retailer 2
-
£224 GBP
$300 USD
View
Price last confirmed 17 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
-
£358 GBP
$480 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
A
Retailer 16
-
£466 GBP
View
A
Retailer 17
-
£538 GBP
A$1,108 AUD
View
A
Retailer 18
-
£592 GBP
$793 USD
View
A
Retailer 19
-
£604 GBP
$809 USD
View
A
Retailer 20
-
£614 GBP
A$1,266 AUD
View
B+
Retailer 21
-
£735 GBP
$985 USD
View
Retailer 22
-
£849 GBP
$1,137 USD
View
Price last confirmed 21 days ago
Retailer 23
-
£902 GBP
$1,209 USD
View
Price last confirmed 31 days ago
B+
Retailer 24
-
£940 GBP
$1,260 USD
View
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
-
£1,063 GBP
View
B+
Retailer 29
-
£1,414 GBP
A$2,915 AUD
View
B
Retailer 30
-
£1,717 GBP
$2,300 USD
View
B
Retailer 31
-
£1,978 GBP
$2,650 USD
View
Most Expensive
B
Blue Nile
28885200 · Oct 31
£2,043 GBP
$2,737 USD
View
31 more retailers have this diamond
Prices start from £228 GBPSave up to £1,814 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