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Cushion|Lab Grown|IGI

3.01ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG821649102

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG821649102

Diamond specifications and retailer prices

From £508 GBP
$676 USD
As of October 28, 2026
Save £3,990 GBP (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,498 GBP at Brilliant Earth · As of October 29, 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 LG821649102 or 821649102. Listed at 20 retailers as of October 28, 2026, with prices from £508 to £4,498, a £3,990 spread on the same certified stone. Brilliant Earth lists it at £4,498. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821649102
Dimensions8.41 × 8.24 × 5.27 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.41 mm8.24 mm3.01 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821649102
Side View
Table 57.0%Crown 39.6°Girdle: THK-VTKPavilion 42.1°Culet: LargeDepth 64.0%

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 28
Current: £4,498 GBP|Low: £508 GBP|High: £4,498 GBP|Avg: £1,374 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
October 29, 2026
Retailer 5£508 GBP
Retailer 3£563 GBP
Retailer 12£650 GBP
Retailer 13£755 GBP
Retailer 7£861 GBP
Retailer 2£879 GBP
Retailer 10£1,197 GBP
Retailer 11£1,220 GBP
Retailer 9£1,224 GBP
Retailer 6£1,637 GBP
Retailer 14£1,710 GBP
Retailer 4£1,778 GBP
Retailer 8£2,459 GBP
Brilliant Earth£4,498 GBP

42 data points across 14 retailers

20 retailers£508 GBP to £4,498 GBP

A
Cheapest Retailer
-
£508 GBP
$676 USD
Final sale: no returns
A
Retailer 2
-
£563 GBP
$750 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
£650 GBP
$865 USD
View
A
Retailer 4
-
£755 GBP
$1,005 USD
View
A
Retailer 5
-
£861 GBP
€1,092 EUR
View
A
Retailer 6
-
£879 GBP
View
A
Retailer 7
-
£987 GBP
$1,314 USD
View
B+
Retailer 8
-
£1,197 GBP
A$2,452 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£1,220 GBP
$1,625 USD
View
B+
Retailer 10
-
£1,224 GBP
ZAR 26,323 ZAR
View
B
Retailer 11
-
£1,637 GBP
View
B+
Retailer 12
-
£1,710 GBP
$2,277 USD
View
B+
Retailer 13
-
£1,778 GBP
SGD 3,199 SGD
View
B+
Retailer 14
-
£1,798 GBP
$2,394 USD
View
B+
Retailer 15
-
£1,822 GBP
$2,426 USD
View
B
Retailer 16
-
£1,865 GBP
$2,484 USD
View
B
Retailer 17
-
£1,867 GBP
$2,486 USD
View
B
Retailer 18
-
£2,144 GBP
$2,855 USD
View
Price last confirmed 86 days ago
B
Retailer 19
-
£2,459 GBP
View
Most Expensive
B
Brilliant Earth
20784263A · Oct 29
£4,498 GBP
$5,990 USD
View
19 more retailers have this diamond
Prices start from £508 GBPSave up to £3,990 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
£508 GBP