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Radiant|Lab Grown|IGI

1.47ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG799643829

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

Certificate IGI LG799643829

Diamond specifications and retailer prices

From £202 GBP
$271 USD
As of October 30, 2026
Save £1,940 GBP (91%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,142 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.47ct lab-grown radiant diamond

This 1.47ct 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 LG799643829 or 799643829. Listed at 10 retailers as of October 30, 2026, with prices from £202 to £2,142, a £1,940 spread on the same certified stone. Brilliant Earth lists it at £2,142. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.47
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.8°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799643829
Dimensions7.88 × 5.86 × 3.72 mm
L/W Ratio1.34
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
7.88 mm5.86 mm1.47 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799643829
Side View
Table 67.0%Crown 47.8°Girdle: MediumPavilion 35.3°Culet: NoneDepth 63.5%

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: £2,142 GBP|Low: £202 GBP|High: £3,344 GBP|Avg: £1,075 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
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Retailer 16
October 30, 2026
Retailer 10£202 GBP
Retailer 16£234 GBP
Retailer 9£396 GBP
Retailer 13£416 GBP
Retailer 4£732 GBP
Retailer 3£744 GBP
Retailer 8£759 GBP
Retailer 5£764 GBP
Retailer 12£769 GBP
Retailer 14£889 GBP
Retailer 15£908 GBP
Retailer 2£1,114 GBP
Retailer 7£1,426 GBP
Retailer 6£1,525 GBP
Retailer 11£1,791 GBP
Brilliant Earth£2,142 GBP

27 data points across 16 retailers

10 retailers£202 GBP to £2,142 GBP

A
Cheapest Retailer
-
£202 GBP
$271 USD
A
Retailer 2
-
£234 GBP
$314 USD
View
A
Retailer 3
-
£396 GBP
$530 USD
View
A
Retailer 4
-
£416 GBP
$557 USD
View
B+
Retailer 5
-
£769 GBP
$1,031 USD
View
B+
Retailer 6
-
£889 GBP
$1,191 USD
View
B+
Retailer 7
-
£908 GBP
$1,216 USD
View
B+
Retailer 8
-
£1,114 GBP
View
B
Retailer 9
-
£1,791 GBP
$2,400 USD
View
Most Expensive
B
Brilliant Earth
21412121Y · Oct 30
£2,142 GBP
$2,870 USD
View
9 more retailers have this diamond
Prices start from £202 GBPSave up to £1,940 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
1.47ct Radiant
£202 GBP