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Radiant|Lab Grown|IGI

3.05ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG754517860

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

Certificate IGI LG754517860

Diamond specifications and retailer prices

From £1,153 GBP
$1,535 USD
As of October 30, 2026
Save £7,160 GBP (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £8,313 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.05ct lab-grown radiant diamond

This 3.05ct 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 LG754517860 or 754517860. Listed at 12 retailers as of October 29, 2026, with prices from £1,153 to £8,313, a £7,160 spread on the same certified stone. Brilliant Earth lists it at £8,313. 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

3.05
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754517860
Dimensions9.70 × 7.14 × 5.05 mm
L/W Ratio1.36
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
9.70 mm7.14 mm3.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754517860
Side View
Table 65.0%Crown 46.8°Girdle: Slightly ThickPavilion 37.8°Culet: NoneDepth 70.7%

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: £8,313 GBP|Low: £1,153 GBP|High: £11,489 GBP|Avg: £4,373 GBP|-3.0%
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
October 29, 2026
Retailer 10£1,153 GBP
Retailer 9£1,254 GBP
Retailer 3£1,862 GBP
Retailer 11£2,106 GBP
Retailer 8£2,234 GBP
Retailer 12£2,450 GBP
Retailer 6£2,766 GBP
Retailer 4£3,922 GBP
Retailer 2£4,238 GBP
Retailer 13£4,469 GBP
Retailer 5£5,357 GBP
Retailer 7£7,930 GBP
Brilliant Earth£8,313 GBP

28 data points across 13 retailers

12 retailers£1,153 GBP to £8,313 GBP

A
Cheapest Retailer
-
£1,153 GBP
$1,535 USD
A
Retailer 2
-
£1,254 GBP
$1,670 USD
View
A
Retailer 3
-
£1,862 GBP
$2,480 USD
View
Final sale: no returns
A
Retailer 4
-
£2,106 GBP
$2,804 USD
View
A
Retailer 5
-
£2,234 GBP
$2,975 USD
View
A
Retailer 6
-
£2,450 GBP
$3,262 USD
View
B+
Retailer 7
-
£2,766 GBP
$3,684 USD
View
Retailer 8
-
£3,026 GBP
$4,030 USD
View
Price last confirmed 24 days ago
B+
Retailer 9
-
£4,238 GBP
View
B+
Retailer 10
-
£4,469 GBP
$5,951 USD
View
B
Retailer 11
-
£7,930 GBP
$10,560 USD
View
Most Expensive
B
Brilliant Earth
21411396Y · Oct 29
£8,313 GBP
$11,070 USD
View
11 more retailers have this diamond
Prices start from £1,153 GBPSave up to £7,160 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
3.05ct Radiant
£1,153 GBP