CaratHunter
Plans
Round|Lab Grown|IGI

3.01ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG620458061

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620458061

Diamond specifications and retailer prices

From £299 GBP
$398 USD
As of October 30, 2026
Save £985 GBP (77%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,284 GBP at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

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 LG620458061 or 620458061. Listed at 6 retailers as of October 30, 2026, with prices from £299 to £1,284, a £985 spread on the same certified stone. The Diamond Guys lists it at £1,284. 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 angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620458061
Dimensions9.27 × 9.24 × 5.72 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.27 mm9.24 mm3.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620458061
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.8%

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 30
Current: £299 GBP|Low: £219 GBP|High: £2,012 GBP|Avg: £796 GBP|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
The Diamond Guys
October 27, 2026
Retailer 1£299 GBP
Retailer 13£337 GBP
Retailer 2£342 GBP
Retailer 12£454 GBP
Retailer 8£455 GBP
Retailer 14£526 GBP
Retailer 10£555 GBP
Retailer 7£584 GBP
Retailer 11£692 GBP
Retailer 3£783 GBP
Retailer 9£918 GBP
Retailer 5£970 GBP
The Diamond Guys£1,284 GBP
Retailer 4£1,727 GBP
Retailer 6£2,012 GBP

9 data points across 15 retailers

6 retailers£299 GBP to £1,284 GBP

A
Cheapest Retailer
-
£299 GBP
$398 USD
Final sale: no returns
Retailer 2
-
£337 GBP
$449 USD
View
Price last confirmed 45 days ago
Retailer 3
-
£455 GBP
View
Price last confirmed 43 days ago
Retailer 4
-
£918 GBP
$1,223 USD
View
Price last confirmed 44 days ago
B+
Retailer 5
-
£970 GBP
CA$1,795 CAD
View
Most Expensive
B
The Diamond Guys
1954434283 · Oct 30
£1,284 GBP
$1,710 USD
View
5 more retailers have this diamond
Prices start from £299 GBPSave up to £985 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
£299 GBP