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Radiant|Lab Grown|IGI

3.05ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG815654626

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

Certificate IGI LG815654626

Diamond specifications and retailer prices

From £348 GBP
$464 USD
As of October 27, 2026
Save £2,730 GBP (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,079 GBP at Brilliant Earth · As of October 26, 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 LG815654626 or 815654626. Listed at 21 retailers as of October 26, 2026, with prices from £348 to £3,079, a £2,730 spread on the same certified stone. Brilliant Earth lists it at £3,079. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815654626
Dimensions10.13 × 7.09 × 4.92 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.13 mm7.09 mm3.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815654626
Side View
Table 63.0%Crown 40.7°Girdle: MediumPavilion 35.9°Culet: NoneDepth 69.4%

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: £3,079 GBP|Low: £348 GBP|High: £3,079 GBP|Avg: £1,121 GBP
Brilliant Earth
Retailer 2
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Retailer 21
October 27, 2026
Retailer 10£348 GBP
Retailer 11£389 GBP
Retailer 3£390 GBP
Retailer 17£432 GBP
Retailer 18£537 GBP
Retailer 2£545 GBP
Retailer 12£571 GBP
Retailer 9£711 GBP
Retailer 15£733 GBP
Retailer 21£756 GBP
Retailer 5£1,025 GBP
Retailer 8£1,058 GBP
Retailer 19£1,253 GBP
Retailer 16£1,333 GBP
Retailer 14£1,519 GBP
Retailer 7£1,624 GBP
Retailer 4£1,638 GBP
Retailer 13£1,924 GBP
Retailer 20£1,991 GBP
Retailer 6£2,666 GBP
Brilliant Earth£3,079 GBP

5 data points across 21 retailers

21 retailers£348 GBP to £3,079 GBP

A
Cheapest Retailer
-
£348 GBP
$464 USD
A
Retailer 2
-
£389 GBP
$518 USD
View
Final sale: no returns
A
Retailer 3
-
£390 GBP
$519 USD
View
A
Retailer 4
-
£432 GBP
$575 USD
View
A
Retailer 5
-
£537 GBP
$715 USD
View
A
Retailer 6
-
£545 GBP
View
B+
Retailer 7
-
£571 GBP
$761 USD
View
A
Retailer 8
-
£711 GBP
$947 USD
View
A
Retailer 9
-
£733 GBP
View
A
Retailer 10
-
£756 GBP
$1,007 USD
View
A
Retailer 11
-
£1,025 GBP
ZAR 22,052 ZAR
View
A
Retailer 12
-
£1,058 GBP
$1,409 USD
View
B+
Retailer 13
-
£1,253 GBP
$1,669 USD
View
B+
Retailer 14
-
£1,333 GBP
CA$2,465 CAD
View
B+
Retailer 15
-
£1,519 GBP
$2,023 USD
View
B+
Retailer 16
-
£1,624 GBP
$2,162 USD
View
B+
Retailer 17
-
£1,638 GBP
$2,181 USD
View
B
Retailer 18
-
£1,924 GBP
$2,562 USD
View
B
Retailer 19
-
£1,991 GBP
View
B
Retailer 20
-
£2,666 GBP
$3,550 USD
View
Most Expensive
B
Brilliant Earth
20707608Y · Oct 26
£3,079 GBP
$4,100 USD
View
20 more retailers have this diamond
Prices start from £348 GBPSave up to £2,730 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
£348 GBP