Round|Lab Grown|IGI

3.01ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG774651558

Shape and cutting style on the report: Round brilliant

Certificate IGI LG774651558

Diamond specifications and retailer prices

From £308 GBP
$410 USD
As of October 29, 2026
Save £2,260 GBP (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,568 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.01ct lab-grown round diamond

This 3.01ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG774651558 or 774651558. Listed at 17 retailers as of October 29, 2026, with prices from £308 to £2,568, a £2,260 spread on the same certified stone. Brilliant Earth lists it at £2,568. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.01
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774651558
Dimensions9.38 × 9.33 × 5.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.38 mm9.33 mm3.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774651558
Side View
Table 60.0%Crown 33.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 59.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £2,568 GBP|Low: £295 GBP|High: £2,568 GBP|Avg: £770 GBP
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 30, 2026
Retailer 13£308 GBP
Retailer 5£345 GBP
Retailer 3£381 GBP
Retailer 2£434 GBP
Retailer 9£492 GBP
Retailer 6£511 GBP
Retailer 4£608 GBP
Retailer 7£626 GBP
Retailer 8£680 GBP
Retailer 11£878 GBP
Retailer 12£1,070 GBP
Retailer 10£1,493 GBP
Brilliant Earth£2,568 GBP

37 data points across 13 retailers

17 retailers£308 GBP to £2,568 GBP

A
Cheapest Retailer
-
£308 GBP
$410 USD
A
Retailer 2
-
£345 GBP
$459 USD
View
A
Retailer 3
-
£381 GBP
$508 USD
View
A
Retailer 4
-
£381 GBP
$508 USD
View
B+
Retailer 5
-
£434 GBP
$578 USD
View
A
Retailer 6
-
£492 GBP
$655 USD
View
A
Retailer 7
-
£511 GBP
View
A
Retailer 8
-
£608 GBP
$810 USD
View
A
Retailer 9
-
£626 GBP
View
B+
Retailer 10
-
£680 GBP
€863 EUR
View
B+
Retailer 11
-
£703 GBP
$936 USD
View
B+
Retailer 12
-
£878 GBP
A$1,798 AUD
View
B+
Retailer 13
-
£1,070 GBP
$1,425 USD
View
B
Retailer 14
-
£1,226 GBP
$1,633 USD
View
Retailer 15
-
£1,367 GBP
$1,820 USD
View
Price last confirmed 51 days ago
B
Retailer 16
-
£1,493 GBP
View
Most Expensive
B
Brilliant Earth
20281603A · Oct 29
£2,568 GBP
$3,420 USD
View
16 more retailers have this diamond
Prices start from £308 GBPSave up to £2,260 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
3.01ct Round
£308 GBP