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Cushion|Lab Grown|IGI

8.30ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG803622072

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG803622072

Diamond specifications and retailer prices

From £3,719 GBP
$4,983 USD
As of November 1, 2026
Save £9,786 GBP (72%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £13,505 GBP at Adiamor · As of October 31, 2026
View at Adiamor

About this 8.3ct lab-grown cushion diamond

This 8.3ct 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 LG803622072 or 803622072. Listed at 6 retailers as of October 31, 2026, with prices from £3,719 to £13,505, a £9,786 spread on the same certified stone. Adiamor lists it at £13,505. 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

8.30
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803622072
Dimensions14.02 × 9.43 × 6.09 mm
L/W Ratio1.49
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
14.02 mm9.43 mm8.30 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803622072
Side View
Table 60.0%Crown 44.9°Girdle: MED-THKPavilion 41°Culet: LargeDepth 64.6%

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: £13,505 GBP|Low: £3,196 GBP|High: £13,505 GBP|Avg: £8,102 GBP|+1.1%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5£3,719 GBP
Retailer 2£4,857 GBP
Retailer 4£5,801 GBP
Retailer 3£7,803 GBP
Retailer 6£13,360 GBP
Adiamor£13,505 GBP

38 data points across 6 retailers

6 retailers£3,719 GBP to £13,505 GBP

A
Cheapest Retailer
-
£3,719 GBP
$4,983 USD
B+
Retailer 2
-
£4,857 GBP
View
B+
Retailer 3
-
£5,801 GBP
$7,773 USD
View
B+
Retailer 4
-
£7,803 GBP
View
B
Retailer 5
-
£13,360 GBP
$17,901 USD
View
Most Expensive
B
Adiamor
D-81078669 · Oct 31
£13,505 GBP
$18,095 USD
View
5 more retailers have this diamond
Prices start from £3,719 GBPSave up to £9,786 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
8.30ct Cushion
£3,719 GBP