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Cushion|Lab Grown|IGI

3.01ct E VVS2 Cushion Lab Grown Diamond

EX • E/VVS2 • IGI LG726521228

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

Certificate IGI LG726521228

Diamond specifications and retailer prices

From £493 GBP
$661 USD
As of November 1, 2026
Save £1,878 GBP (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,970 GBP at Brilliant Earth · As of October 22, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG726521228 or 726521228. Listed at 20 retailers as of November 1, 2026, with a 381% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726521228
Dimensions8.31 × 8.31 × 5.49 mm
L/W Ratio1.00
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
8.31 mm8.31 mm3.01 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726521228
Side View
Table 61.0%Crown 36.1°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 66.1%

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: Nov 1
Current: £4,970 GBP|Low: £493 GBP|High: £4,970 GBP|Avg: £1,471 GBP
Brilliant Earth
Retailer 2
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Retailer 12
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Retailer 19
November 2, 2026
Retailer 12£493 GBP
Retailer 19£620 GBP
Retailer 18£622 GBP
Retailer 8£748 GBP
Retailer 4£766 GBP
Retailer 14£830 GBP
Retailer 2£854 GBP
Retailer 5£1,042 GBP
Retailer 16£1,153 GBP
Retailer 17£1,186 GBP
Retailer 10£1,283 GBP
Retailer 3£1,590 GBP
Retailer 15£1,764 GBP
Retailer 11£1,767 GBP
Retailer 9£1,803 GBP
Retailer 6£1,819 GBP
Retailer 7£1,894 GBP
Retailer 13£2,371 GBP
Brilliant Earth£4,970 GBP

37 data points across 19 retailers

20 retailers£493 GBP to £2,371 GBP

A
Cheapest Retailer
-
£493 GBP
$661 USD
Final sale: no returns
A
Retailer 2
-
£620 GBP
HK$6,500 HKD
View
A
Retailer 3
-
£622 GBP
$835 USD
View
A
Retailer 4
-
£748 GBP
$1,004 USD
View
A
Retailer 5
-
£766 GBP
$1,028 USD
View
A
Retailer 6
-
£830 GBP
€1,061 EUR
View
A
Retailer 7
-
£854 GBP
View
A
Retailer 8
-
£1,042 GBP
$1,398 USD
View
A
Retailer 9
-
£1,153 GBP
A$2,381 AUD
View
A
Retailer 10
-
£1,186 GBP
ZAR 25,711 ZAR
View
A
Retailer 11
-
£1,283 GBP
$1,722 USD
View
B+
Retailer 12
-
£1,590 GBP
View
B+
Retailer 13
-
£1,764 GBP
A$3,641 AUD
View
B+
Retailer 14
-
£1,767 GBP
$2,371 USD
View
B+
Retailer 15
-
£1,803 GBP
SGD 3,269 SGD
View
B+
Retailer 16
-
£1,819 GBP
$2,441 USD
View
B+
Retailer 17
-
£1,894 GBP
$2,542 USD
View
B+
Retailer 18
-
£2,371 GBP
View
Retailer 19
-
£3,226 GBP
$4,329 USD
View
Most Expensive
Brilliant Earth
15599256A · Oct 22
£4,970 GBP
$6,670 USD
View
Price last confirmed 11 days ago
19 more retailers have this diamond
Prices start from £493 GBPSave up to £1,878 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
£493 GBP