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Radiant|Lab Grown|IGI

4.01ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG784604260

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

Certificate IGI LG784604260

Diamond specifications and retailer prices

From £2,983 GBP
$3,972 USD
As of October 30, 2026
Save £17,540 GBP (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £20,523 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.01ct lab-grown radiant diamond

This 4.01ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784604260 or 784604260. Listed at 23 retailers as of October 29, 2026, with prices from £2,983 to £20,523, a £17,540 spread on the same certified stone. Do Amore Diamonds lists it at £20,523. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.01
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784604260
Dimensions11.50 × 7.84 × 5.33 mm
L/W Ratio1.47
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
11.50 mm7.84 mm4.01 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784604260
Side View
Table 65.0%Crown 42.8°Girdle: MediumPavilion 36.6°Culet: NoneDepth 68.0%

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: £20,523 GBP|Low: £2,983 GBP|High: £24,781 GBP|Avg: £8,017 GBP|-17.2%
Do Amore Diamonds
Retailer 2
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Retailer 20
October 30, 2026
Retailer 11£2,983 GBP
Retailer 16£3,125 GBP
Retailer 20£3,174 GBP
Retailer 8£3,340 GBP
Retailer 4£3,460 GBP
Retailer 18£3,503 GBP
Retailer 17£4,588 GBP
Retailer 12£4,772 GBP
Retailer 3£4,949 GBP
Retailer 2£4,951 GBP
Retailer 10£5,379 GBP
Retailer 15£5,900 GBP
Retailer 19£6,034 GBP
Retailer 14£7,950 GBP
Retailer 13£8,128 GBP
Retailer 5£9,524 GBP
Retailer 6£12,077 GBP
Retailer 7£13,620 GBP
Retailer 9£16,998 GBP
Do Amore Diamonds£20,523 GBP

36 data points across 20 retailers

23 retailers£2,983 GBP to £20,523 GBP

A
Cheapest Retailer
-
£2,983 GBP
$3,972 USD
A
Retailer 2
-
£3,125 GBP
$4,162 USD
View
A
Retailer 3
-
£3,174 GBP
$4,227 USD
View
A
Retailer 4
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£3,340 GBP
$4,448 USD
View
Final sale: no returns
A
Retailer 5
-
£3,460 GBP
$4,607 USD
View
A
Retailer 6
-
£3,503 GBP
$4,665 USD
View
Retailer 7
-
£4,177 GBP
$5,563 USD
View
Price last confirmed 17 days ago
A
Retailer 8
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£4,588 GBP
$6,110 USD
View
A
Retailer 9
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£4,772 GBP
$6,355 USD
View
A
Retailer 10
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£4,949 GBP
$6,590 USD
View
A
Retailer 11
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£4,951 GBP
View
B+
Retailer 12
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£5,379 GBP
View
B+
Retailer 13
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£5,900 GBP
€7,483 EUR
View
B+
Retailer 14
-
£6,034 GBP
$8,035 USD
View
B+
Retailer 15
-
£7,950 GBP
View
B+
Retailer 16
-
£8,128 GBP
ZAR 174,852 ZAR
View
B+
Retailer 17
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£9,524 GBP
$12,683 USD
View
B
Retailer 18
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£10,448 GBP
$13,913 USD
View
B
Retailer 19
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£12,077 GBP
$16,083 USD
View
B
Retailer 20
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£13,620 GBP
$18,138 USD
View
B
Retailer 21
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£14,322 GBP
$19,072 USD
View
B
Retailer 22
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£16,998 GBP
$22,636 USD
View
Most Expensive
B
Do Amore Diamonds
27-4880EAB63 · Oct 29
£20,523 GBP
$27,330 USD
View
22 more retailers have this diamond
Prices start from £2,983 GBPSave up to £17,540 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
4.01ct Radiant
£2,983 GBP