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Radiant|Lab Grown|IGI

3.05ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG756578283

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

Certificate IGI LG756578283

Diamond specifications and retailer prices

From £370 GBP
$493 USD
As of October 27, 2026
Save £4,090 GBP (92%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £4,461 GBP at Brilliant Earth · As of October 28, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG756578283 or 756578283. Listed at 23 retailers as of October 27, 2026, with prices from £370 to £4,461, a £4,090 spread on the same certified stone. Brilliant Earth lists it at £4,461. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756578283
Dimensions10.24 × 7.15 × 4.68 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.24 mm7.15 mm3.05 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756578283
Side View
Table 64.0%Crown 40.8°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 65.5%

Caratlytics Score

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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: £4,461 GBP|Low: £370 GBP|High: £4,461 GBP|Avg: £1,509 GBP
Brilliant Earth
Retailer 2
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Retailer 23
October 29, 2026
Retailer 3£370 GBP
Retailer 11£415 GBP
Retailer 22£415 GBP
Retailer 20£459 GBP
Retailer 19£563 GBP
Retailer 18£581 GBP
Retailer 5£714 GBP
Retailer 23£736 GBP
Retailer 4£755 GBP
Retailer 21£761 GBP
Retailer 2£786 GBP
Retailer 17£1,099 GBP
Retailer 15£1,128 GBP
Retailer 8£1,233 GBP
Retailer 14£1,331 GBP
Retailer 10£1,476 GBP
Retailer 7£1,715 GBP
Retailer 12£1,731 GBP
Retailer 9£1,755 GBP
Retailer 16£1,930 GBP
Retailer 13£2,125 GBP
Retailer 6£3,282 GBP
Brilliant Earth£4,461 GBP

41 data points across 23 retailers

23 retailers£370 GBP to £4,461 GBP

A
Cheapest Retailer
-
£370 GBP
$493 USD
A
Retailer 2
-
£415 GBP
$552 USD
View
A
Retailer 3
-
£415 GBP
$552 USD
View
Final sale: no returns
A
Retailer 4
-
£459 GBP
$611 USD
View
A
Retailer 5
-
£563 GBP
$750 USD
View
A
Retailer 6
-
£581 GBP
View
A
Retailer 7
-
£714 GBP
$951 USD
View
A
Retailer 8
-
£736 GBP
$980 USD
View
A
Retailer 9
-
£755 GBP
€958 EUR
View
A
Retailer 10
-
£761 GBP
$1,013 USD
View
A
Retailer 11
-
£786 GBP
View
A
Retailer 12
-
£1,099 GBP
ZAR 23,652 ZAR
View
B+
Retailer 13
-
£1,128 GBP
A$2,310 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
£1,233 GBP
$1,642 USD
View
B+
Retailer 15
-
£1,331 GBP
$1,773 USD
View
B+
Retailer 16
-
£1,476 GBP
View
B+
Retailer 17
-
£1,715 GBP
$2,284 USD
View
B+
Retailer 18
-
£1,731 GBP
$2,305 USD
View
B+
Retailer 19
-
£1,755 GBP
SGD 3,159 SGD
View
B
Retailer 20
-
£1,930 GBP
$2,570 USD
View
Price last confirmed 8 days ago
B
Retailer 21
-
£2,125 GBP
View
B
Retailer 22
-
£3,282 GBP
$4,370 USD
View
Most Expensive
B
Brilliant Earth
21118669Y · Oct 28
£4,461 GBP
$5,940 USD
View
22 more retailers have this diamond
Prices start from £370 GBPSave up to £4,090 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
£370 GBP