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Cushion|Lab Grown|IGI

5.08ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG826687355

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

Certificate IGI LG826687355

Diamond specifications and retailer prices

From £1,102 GBP
$1,477 USD
As of October 29, 2026
Save £2,947 GBP (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,228 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 5.08ct lab-grown cushion diamond

This 5.08ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG826687355 or 826687355. Listed at 11 retailers as of October 29, 2026, with a 267% 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

5.08
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826687355
Dimensions10.08 × 9.97 × 6.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.08 mm9.97 mm5.08 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826687355
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 40°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £4,228 GBP|Low: £787 GBP|High: £4,983 GBP|Avg: £2,857 GBP|-9.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 9£1,102 GBP
Retailer 2£1,625 GBP
Retailer 8£1,805 GBP
Retailer 5£2,313 GBP
Retailer 11£2,702 GBP
Retailer 10£2,775 GBP
Retailer 7£3,308 GBP
Retailer 4£3,689 GBP
Retailer 6£3,859 GBP
Retailer 3£4,049 GBP
Rare Carat£4,228 GBP

43 data points across 11 retailers

11 retailers£1,102 GBP to £4,049 GBP

A
Cheapest Retailer
-
£1,102 GBP
$1,477 USD
Final sale: no returns
A
Retailer 2
-
£1,625 GBP
View
A
Retailer 3
-
£1,805 GBP
$2,419 USD
View
Retailer 4
-
£2,313 GBP
A$4,767 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£2,702 GBP
$3,620 USD
View
B+
Retailer 6
-
£2,775 GBP
View
B+
Retailer 7
-
£3,308 GBP
$4,432 USD
View
B+
Retailer 8
-
£3,689 GBP
View
B+
Retailer 9
-
£3,859 GBP
SGD 6,987 SGD
View
B
Retailer 10
-
£4,049 GBP
$5,426 USD
View
Most Expensive
Rare Carat
M17-518A · Oct 21
£4,228 GBP
$5,665 USD
View
Price last confirmed 9 days ago
10 more retailers have this diamond
Prices start from £1,102 GBPSave up to £2,947 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
5.08ct Cushion
£1,102 GBP