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Round|Lab Grown|IGI

3.01ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG517285945

Shape and cutting style on the report: Round brilliant

Certificate IGI LG517285945

Diamond specifications and retailer prices

From £403 GBP
$537 USD
As of October 30, 2026
Save £2,495 GBP (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £2,899 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG517285945 or 517285945. Listed at 25 retailers as of October 29, 2026, with prices from £403 to £2,899, a £2,495 spread on the same certified stone. Do Amore Diamonds lists it at £2,899. 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 angle35.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517285945
Dimensions9.23 × 9.18 × 5.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.23 mm9.18 mm3.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517285945
Side View
Table 55.0%Crown 35.9°Girdle: MediumPavilion 40.5°Culet: NoneDepth 62.4%

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 30
Current: £739 GBP|Low: £264 GBP|High: £1,675 GBP|Avg: £933 GBP|+4.9%
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
October 30, 2026
Retailer 4£403 GBP
Retailer 8£514 GBP
Retailer 3£548 GBP
Retailer 2£629 GBP
Retailer 11£631 GBP
Retailer 7£688 GBP
Retailer 1£739 GBP
Retailer 9£1,029 GBP
Retailer 5£1,044 GBP
Retailer 10£1,134 GBP
Retailer 12£1,622 GBP
Retailer 13£1,642 GBP
Retailer 6£1,648 GBP

44 data points across 13 retailers

25 retailers£403 GBP to £2,899 GBP

Retailer 1
-
£326 GBP
$434 USD
Price last confirmed 31 days ago
Retailer 2
-
£365 GBP
$486 USD
View
Price last confirmed 37 days ago
Retailer 3
-
£365 GBP
$486 USD
View
Price last confirmed 24 days ago
Retailer 4
-
£399 GBP
$531 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
£403 GBP
$537 USD
View
Final sale: no returns
Retailer 6
-
£404 GBP
$538 USD
View
Price last confirmed 20 days ago
Retailer 7
-
£404 GBP
$538 USD
View
Price last confirmed 28 days ago
A
Retailer 8
-
£404 GBP
$538 USD
View
A
Retailer 9
-
£514 GBP
$685 USD
View
A
Retailer 10
-
£548 GBP
$730 USD
View
A
Retailer 11
-
£567 GBP
HK$5,900 HKD
View
A
Retailer 12
-
£629 GBP
$837 USD
View
B+
Retailer 13
-
£631 GBP
$840 USD
View
A
Retailer 14
-
£688 GBP
€872 EUR
View
A
Retailer 15
-
£739 GBP
View
B
Retailer 16
-
£1,029 GBP
A$2,108 AUD
View
B+
Retailer 17
-
£1,044 GBP
$1,391 USD
View
B+
Retailer 18
-
£1,134 GBP
$1,510 USD
View
Retailer 19
-
£1,435 GBP
$1,911 USD
View
Price last confirmed 20 days ago
Retailer 20
-
£1,435 GBP
$1,911 USD
View
Price last confirmed 30 days ago
B
Retailer 21
-
£1,544 GBP
$2,056 USD
View
B
Retailer 22
-
£1,622 GBP
$2,160 USD
View
B
Retailer 23
-
£1,642 GBP
SGD 2,955 SGD
View
B
Retailer 24
-
£1,648 GBP
View
Most Expensive
B
Do Amore Diamonds
27-BA44FD540 · Oct 29
£2,899 GBP
$3,860 USD
View
24 more retailers have this diamond
Prices start from £403 GBPSave up to £2,495 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
£403 GBP