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Radiant|Lab Grown|IGI

1.48ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG794612089

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

Certificate IGI LG794612089

Diamond specifications and retailer prices

From £2,157 GBP
$2,890 USD
As of October 30, 2026
2 retailers carry this diamond
Most expensive: £2,157 GBP at Brilliant Earth
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 LG794612089 or 794612089. Listed at 2 retailers as of October 30, 2026. 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 angle46.5°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794612089
Dimensions7.76 × 5.59 × 3.92 mm
L/W Ratio1.39
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
7.76 mm5.59 mm1.48 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794612089
Side View
Table 62.0%Crown 46.5°Girdle: Slightly ThickPavilion 35.8°Culet: NoneDepth 70.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £2,157 GBP|Low: £282 GBP|High: £3,366 GBP|Avg: £1,207 GBP|-35.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7£282 GBP
Retailer 6£545 GBP
Retailer 11£605 GBP
Retailer 12£749 GBP
Retailer 9£768 GBP
Retailer 2£843 GBP
Retailer 4£914 GBP
Retailer 10£1,285 GBP
Retailer 8£1,434 GBP
Retailer 5£1,545 GBP
Brilliant Earth£2,157 GBP
Retailer 3£2,450 GBP

4 data points across 12 retailers

2 retailers

Retailer 1
-
£843 GBP
$1,129 USD
Price last confirmed 26 days ago
Most Expensive
B
Brilliant Earth
21398569Y · Oct 30
£2,157 GBP
$2,890 USD
View
1 more retailer has this diamond

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.

B
1.48ct Radiant
£2,157 GBP