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Radiant|Lab Grown|IGI

1.48ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG800676874

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG800676874

Diamond specifications and retailer prices

From £278 GBP
$372 USD
As of October 30, 2026
Save £2,499 GBP (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,776 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.48ct lab-grown radiant diamond

This 1.48ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800676874 or 800676874. Listed at 14 retailers as of October 30, 2026, with prices from £278 to £2,776, a £2,499 spread on the same certified stone. Brilliant Earth lists it at £2,776. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676874
Dimensions8.09 × 5.72 × 3.81 mm
L/W Ratio1.41
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
8.09 mm5.72 mm1.48 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676874
Side View
Table 62.0%Crown 39.2°Girdle: Slightly ThickPavilion 34.6°Culet: NoneDepth 66.6%

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 30
Current: £2,776 GBP|Low: £278 GBP|High: £3,366 GBP|Avg: £1,226 GBP|-17.5%
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
Retailer 14
October 30, 2026
Retailer 2£278 GBP
Retailer 13£322 GBP
Retailer 6£375 GBP
Retailer 7£465 GBP
Retailer 4£511 GBP
Retailer 10£549 GBP
Retailer 3£635 GBP
Retailer 5£680 GBP
Retailer 9£1,009 GBP
Retailer 11£1,220 GBP
Retailer 12£1,485 GBP
Retailer 14£2,452 GBP
Retailer 8£2,463 GBP
Brilliant Earth£2,776 GBP

29 data points across 14 retailers

14 retailers£278 GBP to £2,776 GBP

A+
Cheapest Retailer
-
£278 GBP
$372 USD
A
Retailer 2
-
£322 GBP
$431 USD
View
A
Retailer 3
-
£375 GBP
$502 USD
View
Final sale: no returns
A
Retailer 4
-
£465 GBP
$623 USD
View
A
Retailer 5
-
£511 GBP
$685 USD
View
A
Retailer 6
-
£549 GBP
$735 USD
View
Retailer 7
-
£635 GBP
€810 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
£680 GBP
$911 USD
View
B+
Retailer 9
-
£1,009 GBP
$1,352 USD
View
B
Retailer 10
-
£1,220 GBP
$1,635 USD
View
B+
Retailer 11
-
£1,485 GBP
View
Retailer 12
-
£2,452 GBP
$3,285 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
£2,463 GBP
$3,300 USD
View
Most Expensive
B
Brilliant Earth
20498167Y · Oct 30
£2,776 GBP
$3,720 USD
View
13 more retailers have this diamond
Prices start from £278 GBPSave up to £2,499 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 Radiant
£278 GBP