Cushion|Lab Grown|IGI

3.08ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG797631092

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

Certificate IGI LG797631092

Diamond specifications and retailer prices

From £547 GBP
$733 USD
As of October 29, 2026
Save £4,931 GBP (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £5,851 GBP at Brilliant Earth · As of October 14, 2026
View at Brilliant Earth

About this 3.08ct lab-grown cushion diamond

This 3.08ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG797631092 or 797631092. Listed at 23 retailers as of October 29, 2026, with a 901% 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

3.08
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797631092
Dimensions8.18 × 7.91 × 5.48 mm
L/W Ratio1.03
Girdle conditionFaceted
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
8.18 mm7.91 mm3.08 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797631092
Side View
Table 64.0%Crown 38.5°Girdle: STK-THKPavilion 35.6°Culet: NoneDepth 69.3%

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 29
Current: £4,679 GBP|Low: £531 GBP|High: £5,851 GBP|Avg: £1,769 GBP|-20.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 20
October 31, 2026
Retailer 5£547 GBP
Retailer 4£569 GBP
Retailer 17£664 GBP
Retailer 13£684 GBP
Retailer 3£771 GBP
Retailer 11£842 GBP
Retailer 14£941 GBP
Retailer 20£1,066 GBP
Retailer 18£1,317 GBP
Retailer 2£1,327 GBP
Retailer 16£1,365 GBP
Retailer 8£1,816 GBP
Retailer 10£1,831 GBP
Retailer 7£1,865 GBP
Retailer 9£2,111 GBP
Retailer 19£2,452 GBP
Retailer 15£2,489 GBP
Retailer 12£2,567 GBP
Retailer 6£4,075 GBP
Brilliant Earth£4,679 GBP

30 data points across 20 retailers

23 retailers£547 GBP to £5,478 GBP

A
Cheapest Retailer
-
£547 GBP
$733 USD
Final sale: no returns
Retailer 2
-
£569 GBP
$763 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£664 GBP
$890 USD
View
A
Retailer 4
-
£684 GBP
View
A
Retailer 5
-
£771 GBP
$1,033 USD
View
A
Retailer 6
-
£842 GBP
$1,128 USD
View
A
Retailer 7
-
£941 GBP
View
A
Retailer 8
-
£1,066 GBP
$1,428 USD
View
A
Retailer 9
-
£1,317 GBP
$1,765 USD
View
Retailer 10
-
£1,327 GBP
A$2,736 AUD
View
A
Retailer 11
-
£1,365 GBP
ZAR 29,536 ZAR
View
B+
Retailer 12
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£1,816 GBP
$2,433 USD
View
B+
Retailer 13
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£1,831 GBP
View
B+
Retailer 14
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£1,865 GBP
$2,499 USD
View
B+
Retailer 15
-
£2,111 GBP
$2,828 USD
View
Retailer 16
-
£2,452 GBP
$3,285 USD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
£2,489 GBP
View
Retailer 18
-
£2,567 GBP
A$5,291 AUD
View
Price last confirmed 22 days ago
B
Retailer 19
-
£3,441 GBP
$4,611 USD
View
B
Retailer 20
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£4,075 GBP
$5,460 USD
View
B
Retailer 21
-
£4,679 GBP
$6,270 USD
View
B
Retailer 22
-
£5,478 GBP
$7,340 USD
View
Most Expensive
Brilliant Earth
21773788Y · Oct 14
£5,851 GBP
$7,840 USD
View
Price last confirmed 16 days ago
22 more retailers have this diamond
Prices start from £547 GBPSave up to £4,931 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
3.08ct Cushion
£547 GBP