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Radiant|Lab Grown|IGI

3.01ct E FL Radiant Lab Grown Diamond

EX • E/FL • IGI LG780663311

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

Certificate IGI LG780663311

Diamond specifications and retailer prices

From £1,731 GBP
$2,320 USD
As of October 30, 2026
Save £4,657 GBP (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £6,389 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.01ct lab-grown radiant diamond

This 3.01ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780663311 or 780663311. Listed at 14 retailers as of October 30, 2026, with prices from £1,731 to £6,389, a £4,657 spread on the same certified stone. Brilliant Earth lists it at £6,389. 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

3.01
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663311
Dimensions10.14 × 7.28 × 4.73 mm
L/W Ratio1.39
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
10.14 mm7.28 mm3.01 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663311
Side View
Table 63.0%Crown 41.9°Girdle: MED-STKPavilion 33.6°Culet: NoneDepth 65.0%

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: £6,389 GBP|Low: £1,731 GBP|High: £8,239 GBP|Avg: £4,083 GBP|-21.6%
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
October 31, 2026
Retailer 13£1,731 GBP
Retailer 3£1,977 GBP
Retailer 7£2,233 GBP
Retailer 14£2,391 GBP
Retailer 12£2,452 GBP
Retailer 2£2,585 GBP
Retailer 8£3,771 GBP
Retailer 11£4,250 GBP
Retailer 4£4,376 GBP
Retailer 9£4,663 GBP
Retailer 10£4,676 GBP
Retailer 6£5,689 GBP
Retailer 5£6,277 GBP
Brilliant Earth£6,389 GBP

42 data points across 14 retailers

14 retailers£1,731 GBP to £6,389 GBP

A
Cheapest Retailer
-
£1,731 GBP
$2,320 USD
A
Retailer 2
-
£1,977 GBP
HK$20,700 HKD
View
A
Retailer 3
-
£2,233 GBP
View
A
Retailer 4
-
£2,391 GBP
$3,204 USD
View
A
Retailer 5
-
£2,452 GBP
$3,285 USD
View
Retailer 6
-
£2,585 GBP
€3,299 EUR
View
B+
Retailer 7
-
£3,771 GBP
ZAR 81,635 ZAR
View
B+
Retailer 8
-
£4,250 GBP
$5,695 USD
View
B
Retailer 9
-
£4,376 GBP
$5,863 USD
View
B
Retailer 10
-
£4,663 GBP
View
B+
Retailer 11
-
£4,676 GBP
$6,265 USD
View
B
Retailer 12
-
£5,689 GBP
$7,623 USD
View
B
Retailer 13
-
£6,277 GBP
$8,410 USD
View
Most Expensive
B
Brilliant Earth
19088270A · Oct 30
£6,389 GBP
$8,560 USD
View
13 more retailers have this diamond
Prices start from £1,731 GBPSave up to £4,657 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
3.01ct Radiant
£1,731 GBP