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Radiant|Lab Grown|IGI

1.48ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG794693839

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

Certificate IGI LG794693839

Diamond specifications and retailer prices

From £203 GBP
$272 USD
As of October 30, 2026
Save £1,954 GBP (91%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,157 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 LG794693839 or 794693839. Listed at 12 retailers as of October 30, 2026, with prices from £203 to £2,157, a £1,954 spread on the same certified stone. Brilliant Earth lists it at £2,157. 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 angle44.9°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794693839
Dimensions7.61 × 5.71 × 3.90 mm
L/W Ratio1.33
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
7.61 mm5.71 mm1.48 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794693839
Side View
Table 62.0%Crown 44.9°Girdle: MediumPavilion 35.9°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
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: £2,157 GBP|Low: £203 GBP|High: £3,366 GBP|Avg: £1,200 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 12£203 GBP
Retailer 18£236 GBP
Retailer 3£318 GBP
Retailer 11£399 GBP
Retailer 15£417 GBP
Retailer 7£749 GBP
Retailer 5£768 GBP
Retailer 14£774 GBP
Retailer 16£894 GBP
Retailer 17£912 GBP
Retailer 9£914 GBP
Retailer 2£1,120 GBP
Retailer 6£1,434 GBP
Retailer 4£1,545 GBP
Retailer 10£1,729 GBP
Retailer 13£1,806 GBP
Brilliant Earth£2,157 GBP
Retailer 8£2,618 GBP

28 data points across 18 retailers

12 retailers£203 GBP to £2,157 GBP

A
Cheapest Retailer
-
£203 GBP
$272 USD
A
Retailer 2
-
£236 GBP
$316 USD
View
A
Retailer 3
-
£318 GBP
$426 USD
View
Final sale: no returns
A
Retailer 4
-
£399 GBP
$535 USD
View
A
Retailer 5
-
£417 GBP
$559 USD
View
B+
Retailer 6
-
£774 GBP
$1,037 USD
View
Retailer 7
-
£856 GBP
$1,147 USD
View
Price last confirmed 26 days ago
B+
Retailer 8
-
£894 GBP
$1,198 USD
View
B+
Retailer 9
-
£912 GBP
$1,223 USD
View
B+
Retailer 10
-
£1,120 GBP
View
B
Retailer 11
-
£1,806 GBP
$2,420 USD
View
Most Expensive
B
Brilliant Earth
21414783Y · Oct 30
£2,157 GBP
$2,890 USD
View
11 more retailers have this diamond
Prices start from £203 GBPSave up to £1,954 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
£203 GBP