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Cushion|Lab Grown|IGI

3.01ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG815651161

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG815651161

Diamond specifications and retailer prices

From £592 GBP
$788 USD
As of October 25, 2026
Save £4,199 GBP (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,791 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.01ct lab-grown cushion diamond

This 3.01ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815651161 or 815651161. Listed at 20 retailers as of October 25, 2026, with prices from £592 to £4,791, a £4,199 spread on the same certified stone. Brilliant Earth lists it at £4,791. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.01
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815651161
Dimensions9.25 × 8.05 × 5.05 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.25 mm8.05 mm3.01 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815651161
Side View
Table 55.0%Crown 36°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
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 25
Current: £4,791 GBP|Low: £558 GBP|High: £4,791 GBP|Avg: £1,360 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 8£578 GBP
Retailer 3£592 GBP
Retailer 17£713 GBP
Retailer 7£806 GBP
Retailer 16£828 GBP
Retailer 11£910 GBP
Retailer 2£922 GBP
Retailer 6£1,002 GBP
Retailer 14£1,314 GBP
Retailer 15£1,320 GBP
Retailer 13£1,343 GBP
Retailer 18£1,766 GBP
Retailer 5£1,797 GBP
Retailer 4£1,832 GBP
Retailer 10£1,995 GBP
Retailer 9£2,008 GBP
Retailer 12£2,450 GBP
Brilliant Earth£4,791 GBP

41 data points across 18 retailers

20 retailers£592 GBP to £4,791 GBP

A
Retailer 1
-
£578 GBP
$770 USD
Price last confirmed 13 days ago
A
Retailer 2
-
£592 GBP
$788 USD
View
Final sale: no returns
A
Retailer 3
-
£713 GBP
$950 USD
View
A
Retailer 4
-
£806 GBP
$1,073 USD
View
A
Retailer 5
-
£828 GBP
$1,102 USD
View
A
Retailer 6
-
£910 GBP
€1,154 EUR
View
A
Retailer 7
-
£922 GBP
View
A
Retailer 8
-
£1,002 GBP
$1,334 USD
View
B+
Retailer 9
-
£1,244 GBP
A$2,548 AUD
View
B+
Retailer 10
-
£1,314 GBP
A$2,692 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£1,320 GBP
$1,758 USD
View
B+
Retailer 12
-
£1,343 GBP
ZAR 28,893 ZAR
View
B+
Retailer 13
-
£1,766 GBP
A$3,619 AUD
View
Price last confirmed 21 days ago
B+
Retailer 14
-
£1,797 GBP
View
B+
Retailer 15
-
£1,832 GBP
$2,439 USD
View
B+
Retailer 16
-
£1,973 GBP
$2,628 USD
View
B
Retailer 17
-
£1,995 GBP
$2,657 USD
View
B
Retailer 18
-
£2,008 GBP
$2,674 USD
View
B
Retailer 19
-
£2,450 GBP
View
Most Expensive
B
Brilliant Earth
20536824A · Oct 28
£4,791 GBP
$6,380 USD
View
19 more retailers have this diamond
Prices start from £592 GBPSave up to £4,199 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 Cushion
£592 GBP