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 £1,146 GBP
$1,535 USD
As of October 30, 2026
Save £6,736 GBP (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £7,881 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 £1,146 to £7,881, a £6,736 spread on the same certified stone. Do Amore Diamonds lists it at £7,881. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £7,881 GBP|Low: £1,146 GBP|High: £11,419 GBP|Avg: £4,025 GBP|-30.7%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 9£1,146 GBP
Retailer 8£1,246 GBP
Retailer 3£1,851 GBP
Retailer 10£2,093 GBP
Retailer 7£2,220 GBP
Retailer 11£2,435 GBP
Retailer 6£2,749 GBP
Retailer 4£3,898 GBP
Retailer 5£4,212 GBP
Retailer 12£4,442 GBP
Retailer 2£5,784 GBP
Do Amore Diamonds£7,881 GBP

28 data points across 12 retailers

12 retailers£1,146 GBP to £7,881 GBP

A
Cheapest Retailer
-
£1,146 GBP
$1,535 USD
A
Retailer 2
-
£1,246 GBP
$1,670 USD
View
A
Retailer 3
-
£1,851 GBP
$2,480 USD
View
Final sale: no returns
A
Retailer 4
-
£2,093 GBP
$2,804 USD
View
A
Retailer 5
-
£2,220 GBP
$2,975 USD
View
A
Retailer 6
-
£2,435 GBP
$3,262 USD
View
B+
Retailer 7
-
£2,749 GBP
$3,684 USD
View
Retailer 8
-
£3,008 GBP
$4,030 USD
View
Price last confirmed 25 days ago
B+
Retailer 9
-
£4,212 GBP
View
B
Retailer 10
-
£4,442 GBP
$5,951 USD
View
B
Retailer 11
-
£5,784 GBP
$7,750 USD
View
Most Expensive
B
Do Amore Diamonds
27-02FCD2505 · Oct 29
£7,881 GBP
$10,560 USD
View
11 more retailers have this diamond
Prices start from £1,146 GBPSave up to £6,736 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
£1,146 GBP