CaratHunter
Plans
Round|Lab Grown|IGI

3.01ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG760521809

Shape and cutting style on the report: Round brilliant

Certificate IGI LG760521809

Diamond specifications and retailer prices

From £277 GBP
$369 USD
As of October 26, 2026
Save £1,360 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,637 GBP at Brilliant Earth · As of October 24, 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 LG760521809 or 760521809. Listed at 19 retailers as of October 24, 2026, with prices from £277 to £1,637, a £1,360 spread on the same certified stone. Brilliant Earth lists it at £1,637. 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°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760521809
Dimensions9.39 × 9.35 × 5.65 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.39 mm9.35 mm3.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760521809
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 60.3%

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 26
Current: £1,637 GBP|Low: £266 GBP|High: £1,690 GBP|Avg: £702 GBP|-3.1%
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 28, 2026
Retailer 11£277 GBP
Retailer 5£310 GBP
Retailer 3£343 GBP
Retailer 12£343 GBP
Retailer 2£454 GBP
Retailer 6£460 GBP
Retailer 13£549 GBP
Retailer 7£615 GBP
Retailer 4£635 GBP
Retailer 9£853 GBP
Retailer 10£861 GBP
Retailer 8£1,344 GBP
Brilliant Earth£1,637 GBP

40 data points across 13 retailers

19 retailers£277 GBP to £1,637 GBP

A
Cheapest Retailer
-
£277 GBP
$369 USD
A
Retailer 2
-
£310 GBP
$413 USD
View
Final sale: no returns
A
Retailer 3
-
£321 GBP
$428 USD
View
A
Retailer 4
-
£343 GBP
$457 USD
View
A
Retailer 5
-
£343 GBP
$457 USD
View
A
Retailer 6
-
£454 GBP
$605 USD
View
A
Retailer 7
-
£460 GBP
View
B+
Retailer 8
-
£549 GBP
$731 USD
View
A
Retailer 9
-
£615 GBP
View
A
Retailer 10
-
£635 GBP
$845 USD
View
A
Retailer 11
-
£692 GBP
$922 USD
View
B+
Retailer 12
-
£853 GBP
A$1,748 AUD
View
B+
Retailer 13
-
£861 GBP
$1,147 USD
View
Retailer 14
-
£923 GBP
$1,229 USD
View
Price last confirmed 44 days ago
B+
Retailer 15
-
£1,104 GBP
$1,470 USD
View
B+
Retailer 16
-
£1,134 GBP
$1,510 USD
View
B
Retailer 17
-
£1,344 GBP
View
Retailer 18
-
£1,363 GBP
$1,815 USD
View
Price last confirmed 58 days ago
Most Expensive
B
Brilliant Earth
17252604A · Oct 24
£1,637 GBP
$2,180 USD
View
18 more retailers have this diamond
Prices start from £277 GBPSave up to £1,360 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
£277 GBP