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Oval|Lab Grown|IGI

1.48ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG754507979

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754507979

Diamond specifications and retailer prices

From £219 GBP
$294 USD
As of October 30, 2026
Save £1,689 GBP (89%) vs most expensive(unlock to see where)
34 retailers carry this diamond
Most expensive: £1,908 GBP at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 1.48ct lab-grown oval diamond

This 1.48ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754507979 or 754507979. Listed at 34 retailers as of October 29, 2026, with prices from £219 to £1,908, a £1,689 spread on the same certified stone. Blue Nile lists it at £1,908. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.48
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507979
Dimensions9.20 × 6.49 × 3.99 mm
L/W Ratio1.42
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
9.20 mm6.49 mm1.48 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507979
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.5%

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: £1,908 GBP|Low: £219 GBP|High: £2,239 GBP|Avg: £815 GBP
Blue Nile
Retailer 2
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October 30, 2026
Retailer 7£219 GBP
Retailer 17£224 GBP
Retailer 23£264 GBP
Retailer 12£353 GBP
Retailer 6£360 GBP
Retailer 9£416 GBP
Retailer 21£422 GBP
Retailer 20£438 GBP
Retailer 13£447 GBP
Retailer 10£513 GBP
Retailer 11£569 GBP
Retailer 19£620 GBP
Retailer 8£646 GBP
Retailer 24£709 GBP
Retailer 16£850 GBP
Retailer 14£944 GBP
Retailer 4£1,007 GBP
Retailer 15£1,011 GBP
Retailer 18£1,027 GBP
Retailer 5£1,195 GBP
Retailer 22£1,560 GBP
Retailer 3£1,784 GBP
Retailer 2£1,821 GBP
Blue Nile£1,908 GBP

36 data points across 24 retailers

34 retailers£219 GBP to £1,908 GBP

Retailer 1
-
£193 GBP
$259 USD
Price last confirmed 32 days ago
Retailer 2
-
£216 GBP
$289 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
£219 GBP
$294 USD
View
Final sale: no returns
Retailer 4
-
£224 GBP
$300 USD
View
Price last confirmed 36 days ago
A
Retailer 5
-
£231 GBP
$309 USD
View
Retailer 6
-
£231 GBP
$309 USD
View
Price last confirmed 21 days ago
Retailer 7
-
£231 GBP
$309 USD
View
Price last confirmed 29 days ago
Retailer 8
-
£237 GBP
$317 USD
View
Price last confirmed 31 days ago
Retailer 9
-
£264 GBP
View
Price last confirmed 14 days ago
A
Retailer 10
-
£353 GBP
HK$3,700 HKD
View
A
Retailer 11
-
£360 GBP
$482 USD
View
A
Retailer 12
-
£416 GBP
$558 USD
View
A
Retailer 13
-
£422 GBP
€538 EUR
View
A
Retailer 14
-
£438 GBP
ZAR 9,476 ZAR
View
Retailer 15
-
£443 GBP
View
Price last confirmed 16 days ago
A
Retailer 16
-
£447 GBP
View
A
Retailer 17
-
£513 GBP
A$1,058 AUD
View
A
Retailer 18
-
£569 GBP
$762 USD
View
A
Retailer 19
-
£620 GBP
A$1,278 AUD
View
B+
Retailer 20
-
£646 GBP
$865 USD
View
B+
Retailer 21
-
£709 GBP
$950 USD
View
Retailer 22
-
£819 GBP
$1,097 USD
View
Price last confirmed 21 days ago
Retailer 23
-
£850 GBP
$1,139 USD
View
Price last confirmed 31 days ago
B+
Retailer 24
-
£944 GBP
$1,265 USD
View
B
Retailer 25
-
£1,007 GBP
$1,349 USD
View
B
Retailer 26
-
£1,011 GBP
SGD 1,831 SGD
View
B+
Retailer 27
-
£1,027 GBP
View
Retailer 28
-
£1,195 GBP
A$2,464 AUD
View
Price last confirmed 23 days ago
Retailer 29
-
£1,560 GBP
$2,090 USD
View
Price last confirmed 10 days ago
B
Retailer 30
-
£1,784 GBP
$2,390 USD
View
B
Retailer 31
-
£1,821 GBP
$2,440 USD
View
Retailer 32
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£1,829 GBP
$2,450 USD
View
Price last confirmed 33 days ago
Retailer 33
-
£1,873 GBP
$2,510 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Blue Nile
28884590 · Oct 29
£1,908 GBP
$2,557 USD
View
33 more retailers have this diamond
Prices start from £219 GBPSave up to £1,689 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
1.48ct Oval
£219 GBP