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Round|Lab Grown|IGI

3.01ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG678518237

Shape and cutting style on the report: Round brilliant

Certificate IGI LG678518237

Diamond specifications and retailer prices

From £291 GBP
$387 USD
As of October 29, 2026
Save £1,125 GBP (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,415 GBP at MOH London · As of October 29, 2026
View at MOH London

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 LG678518237 or 678518237. Listed at 15 retailers as of October 29, 2026, with prices from £291 to £1,415, a £1,125 spread on the same certified stone. MOH London lists it at £1,415. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678518237
Dimensions9.34 × 9.31 × 5.58 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
9.34 mm9.31 mm3.01 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678518237
Side View
Table 61.0%Crown 33.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.8%

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: £1,415 GBP|Low: £291 GBP|High: £1,425 GBP|Avg: £647 GBP|+0.5%
MOH London
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
Retailer 15
October 30, 2026
Retailer 13£291 GBP
Retailer 3£325 GBP
Retailer 4£325 GBP
Retailer 12£360 GBP
Retailer 14£360 GBP
Retailer 6£473 GBP
Retailer 9£473 GBP
Retailer 2£483 GBP
Retailer 5£589 GBP
Retailer 8£651 GBP
Retailer 7£697 GBP
Retailer 11£1,011 GBP
Retailer 15£1,158 GBP
Retailer 10£1,329 GBP
MOH London£1,415 GBP

40 data points across 15 retailers

15 retailers£291 GBP to £1,415 GBP

A
Cheapest Retailer
-
£291 GBP
$387 USD
A
Retailer 2
-
£325 GBP
$433 USD
View
Final sale: no returns
A
Retailer 3
-
£325 GBP
$433 USD
View
A
Retailer 4
-
£360 GBP
$480 USD
View
A
Retailer 5
-
£360 GBP
$480 USD
View
B+
Retailer 6
-
£473 GBP
$630 USD
View
A
Retailer 7
-
£473 GBP
$630 USD
View
A
Retailer 8
-
£483 GBP
View
A
Retailer 9
-
£589 GBP
$784 USD
View
A
Retailer 10
-
£651 GBP
View
B+
Retailer 11
-
£697 GBP
$928 USD
View
B
Retailer 12
-
£1,011 GBP
$1,346 USD
View
B
Retailer 13
-
£1,158 GBP
$1,542 USD
View
B
Retailer 14
-
£1,329 GBP
$1,770 USD
View
Most Expensive
B
MOH London
LG678518237 · Oct 29
£1,415 GBP
View
14 more retailers have this diamond
Prices start from £291 GBPSave up to £1,125 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
£291 GBP