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Cushion|Lab Grown|IGI

8.28ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG803622073

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG803622073

Diamond specifications and retailer prices

From £3,711 GBP
$4,973 USD
As of November 1, 2026
Save £9,731 GBP (72%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £13,443 GBP at Adiamor · As of October 31, 2026
View at Adiamor

About this 8.28ct lab-grown cushion diamond

This 8.28ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG803622073 or 803622073. Listed at 6 retailers as of October 31, 2026, with prices from £3,711 to £13,443, a £9,731 spread on the same certified stone. Adiamor lists it at £13,443. 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

8.28
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803622073
Dimensions14.03 × 9.54 × 6.02 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.03 mm9.54 mm8.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803622073
Side View
Table 67.0%Crown 50.1°Girdle: MED-THKPavilion 40°Culet: LargeDepth 63.1%

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: Nov 1
Current: £13,443 GBP|Low: £3,189 GBP|High: £13,443 GBP|Avg: £8,078 GBP|+1.2%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5£3,711 GBP
Retailer 2£4,845 GBP
Retailer 4£5,788 GBP
Retailer 3£7,786 GBP
Retailer 6£13,328 GBP
Adiamor£13,443 GBP

38 data points across 6 retailers

6 retailers£3,711 GBP to £13,443 GBP

A
Cheapest Retailer
-
£3,711 GBP
$4,973 USD
B+
Retailer 2
-
£4,845 GBP
View
B+
Retailer 3
-
£5,788 GBP
$7,755 USD
View
B+
Retailer 4
-
£7,786 GBP
View
B
Retailer 5
-
£13,328 GBP
$17,857 USD
View
Most Expensive
B
Adiamor
D-81078119 · Oct 31
£13,443 GBP
$18,012 USD
View
5 more retailers have this diamond
Prices start from £3,711 GBPSave up to £9,731 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
8.28ct Cushion
£3,711 GBP