Radiant|Lab Grown|IGI

3.05ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG602365102

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

Certificate IGI LG602365102

Diamond specifications and retailer prices

From £903 GBP
$1,202 USD
As of October 23, 2026
Save £10,559 GBP (92%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £11,461 GBP at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG602365102 or 602365102. Listed at 16 retailers as of October 23, 2026, with prices from £903 to £11,461, a £10,559 spread on the same certified stone. Diamond Quarter lists it at £11,461. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602365102
Dimensions10.06 × 7.20 × 4.99 mm
L/W Ratio1.40
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
10.06 mm7.20 mm3.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602365102
Side View
Table 66.0%Crown 44.3°Girdle: MediumPavilion 36.7°Culet: NoneDepth 69.3%

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 23
Current: £1,871 GBP|Low: £683 GBP|High: £7,074 GBP|Avg: £2,524 GBP|-0.2%
Retailer 1
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 21, 2026
Retailer 10£886 GBP
Retailer 3£903 GBP
Retailer 5£955 GBP
Retailer 12£1,207 GBP
Retailer 7£1,313 GBP
Retailer 9£1,727 GBP
Retailer 4£1,741 GBP
Retailer 1£1,871 GBP
Retailer 14£2,156 GBP
Retailer 8£2,828 GBP
Retailer 11£3,522 GBP
Retailer 6£3,833 GBP
Retailer 13£5,362 GBP
Retailer 2£5,752 GBP

23 data points across 14 retailers

16 retailers£903 GBP to £11,461 GBP

Retailer 1
-
£648 GBP
$863 USD
Price last confirmed 8 days ago
Retailer 2
-
£705 GBP
$939 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£886 GBP
$1,180 USD
View
Price last confirmed 6 days ago
A
Retailer 4
-
£903 GBP
$1,202 USD
View
A
Retailer 5
-
£1,207 GBP
$1,608 USD
View
A
Retailer 6
-
£1,313 GBP
€1,665 EUR
View
A
Retailer 7
-
£1,727 GBP
$2,300 USD
View
A
Retailer 8
-
£1,741 GBP
$2,319 USD
View
Retailer 9
-
£1,871 GBP
A$3,834 AUD
View
Price last confirmed 8 days ago
A
Retailer 10
-
£2,156 GBP
$2,871 USD
View
Retailer 11
-
£2,332 GBP
$3,105 USD
View
Price last confirmed 7 days ago
Retailer 12
-
£2,828 GBP
View
Price last confirmed 8 days ago
Retailer 13
-
£3,522 GBP
A$7,216 AUD
View
Price last confirmed 21 days ago
B
Retailer 14
-
£5,362 GBP
$7,140 USD
View
B
Retailer 15
-
£5,752 GBP
$7,660 USD
View
Most Expensive
B
Diamond Quarter
3.05IFELG02FBAFN · Oct 29
£11,461 GBP
View
15 more retailers have this diamond
Prices start from £903 GBPSave up to £10,559 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
£903 GBP