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Radiant|Lab Grown|IGI

3.05ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG729565495

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

Certificate IGI LG729565495

Diamond specifications and retailer prices

From £1,132 GBP
$1,507 USD
As of October 27, 2026
Save £6,505 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £7,637 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729565495 or 729565495. Listed at 20 retailers as of October 27, 2026, with prices from £1,132 to £7,637, a £6,505 spread on the same certified stone. Brilliant Earth lists it at £7,637. 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 angle47.4°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729565495
Dimensions10.47 × 6.93 × 4.71 mm
L/W Ratio1.51
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.47 mm6.93 mm3.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729565495
Side View
Table 64.0%Crown 47.4°Girdle: MediumPavilion 37.7°Culet: NoneDepth 68.0%

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 27
Current: £7,637 GBP|Low: £1,132 GBP|High: £7,870 GBP|Avg: £3,083 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 11£1,132 GBP
Retailer 13£1,267 GBP
Retailer 10£1,442 GBP
Retailer 2£1,853 GBP
Retailer 8£1,993 GBP
Retailer 12£2,117 GBP
Retailer 5£2,546 GBP
Retailer 3£3,170 GBP
Retailer 6£3,262 GBP
Retailer 7£3,753 GBP
Retailer 9£4,168 GBP
Retailer 4£4,414 GBP
Brilliant Earth£7,637 GBP

39 data points across 13 retailers

20 retailers£1,132 GBP to £7,637 GBP

A
Cheapest Retailer
-
£1,132 GBP
$1,507 USD
A
Retailer 2
-
£1,231 GBP
$1,639 USD
View
A
Retailer 3
-
£1,267 GBP
$1,687 USD
View
Final sale: no returns
A
Retailer 4
-
£1,313 GBP
$1,748 USD
View
A
Retailer 5
-
£1,442 GBP
$1,920 USD
View
A
Retailer 6
-
£1,519 GBP
HK$15,800 HKD
View
A
Retailer 7
-
£1,853 GBP
View
A
Retailer 8
-
£1,993 GBP
€2,528 EUR
View
A
Retailer 9
-
£2,117 GBP
$2,819 USD
View
A
Retailer 10
-
£2,394 GBP
$3,188 USD
View
B+
Retailer 11
-
£2,546 GBP
$3,390 USD
View
B+
Retailer 12
-
£3,170 GBP
View
B+
Retailer 13
-
£3,262 GBP
$4,344 USD
View
B+
Retailer 14
-
£3,753 GBP
View
B+
Retailer 15
-
£4,027 GBP
$5,363 USD
View
B+
Retailer 16
-
£4,168 GBP
$5,550 USD
View
B
Retailer 17
-
£4,414 GBP
$5,878 USD
View
B
Retailer 18
-
£4,615 GBP
$6,145 USD
View
B
Retailer 19
-
£6,518 GBP
$8,680 USD
View
Most Expensive
B
Brilliant Earth
20552346A · Oct 29
£7,637 GBP
$10,170 USD
View
19 more retailers have this diamond
Prices start from £1,132 GBPSave up to £6,505 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
£1,132 GBP