Radiant|Lab Grown|IGI

1.47ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG811638539

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

Certificate IGI LG811638539

Diamond specifications and retailer prices

From £234 GBP
$313 USD
As of October 30, 2026
Save £2,043 GBP (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,366 GBP at Brilliant Earth · As of September 28, 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 LG811638539 or 811638539. Listed at 21 retailers as of October 30, 2026, with a 874% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638539
Dimensions7.69 × 5.70 × 3.83 mm
L/W Ratio1.35
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
7.69 mm5.70 mm1.47 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638539
Side View
Table 61.0%Crown 47°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,276 GBP|Low: £234 GBP|High: £3,261 GBP|Avg: £867 GBP|-30.2%
Brilliant Earth
Retailer 2
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Retailer 20
October 31, 2026
Retailer 8£234 GBP
Retailer 2£261 GBP
Retailer 18£271 GBP
Retailer 7£290 GBP
Retailer 17£290 GBP
Retailer 16£407 GBP
Retailer 19£471 GBP
Retailer 15£497 GBP
Retailer 13£516 GBP
Retailer 10£535 GBP
Retailer 3£827 GBP
Retailer 20£849 GBP
Retailer 11£911 GBP
Retailer 6£931 GBP
Retailer 5£965 GBP
Retailer 12£1,068 GBP
Retailer 4£1,126 GBP
Retailer 14£1,167 GBP
Brilliant Earth£2,276 GBP
Retailer 9£2,444 GBP

32 data points across 20 retailers

21 retailers£234 GBP to £2,276 GBP

A
Cheapest Retailer
-
£234 GBP
$313 USD
A
Retailer 2
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£261 GBP
$350 USD
View
Final sale: no returns
A
Retailer 3
-
£271 GBP
$363 USD
View
A
Retailer 4
-
£290 GBP
$388 USD
View
A
Retailer 5
-
£290 GBP
$388 USD
View
A
Retailer 6
-
£407 GBP
$545 USD
View
A
Retailer 7
-
£471 GBP
$631 USD
View
A
Retailer 8
-
£497 GBP
ZAR 10,768 ZAR
View
A
Retailer 9
-
£516 GBP
View
Retailer 10
-
£535 GBP
€683 EUR
View
Price last confirmed 7 days ago
B+
Retailer 11
-
£827 GBP
$1,108 USD
View
B+
Retailer 12
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£849 GBP
$1,137 USD
View
B+
Retailer 13
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£911 GBP
$1,220 USD
View
B+
Retailer 14
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£931 GBP
$1,247 USD
View
B+
Retailer 15
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£965 GBP
$1,293 USD
View
B+
Retailer 16
-
£1,068 GBP
SGD 1,933 SGD
View
B+
Retailer 17
-
£1,126 GBP
View
B+
Retailer 18
-
£1,167 GBP
View
B
Retailer 19
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£2,276 GBP
$3,050 USD
View
Retailer 20
-
£2,444 GBP
$3,275 USD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
20987853A · Sep 28
£3,366 GBP
$4,510 USD
View
Price last confirmed 32 days ago
20 more retailers have this diamond
Prices start from £234 GBPSave up to £2,043 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
£234 GBP