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Cushion|Lab Grown|IGI

8.18ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG805624013

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG805624013

Diamond specifications and retailer prices

From £3,279 GBP
$4,393 USD
As of October 30, 2026
Save £9,705 GBP (75%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £12,983 GBP at Adiamor · As of October 31, 2026
View at Adiamor

About this 8.18ct lab-grown cushion diamond

This 8.18ct 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 LG805624013 or 805624013. Listed at 6 retailers as of October 30, 2026, with prices from £3,279 to £12,983, a £9,705 spread on the same certified stone. Adiamor lists it at £12,983. 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

8.18
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805624013
Dimensions13.91 × 9.16 × 6.14 mm
L/W Ratio1.52
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
13.91 mm9.16 mm8.18 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805624013
Side View
Table 63.0%Crown 47.8°Girdle: MED-THKPavilion 41°Culet: LargeDepth 67.0%

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 30
Current: £12,983 GBP|Low: £3,155 GBP|High: £12,983 GBP|Avg: £7,331 GBP
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 5£3,279 GBP
Retailer 2£4,177 GBP
Retailer 4£4,952 GBP
Retailer 3£6,879 GBP
Retailer 6£11,279 GBP
Adiamor£12,983 GBP

39 data points across 6 retailers

6 retailers£3,279 GBP to £12,983 GBP

A
Cheapest Retailer
-
£3,279 GBP
$4,393 USD
B+
Retailer 2
-
£4,177 GBP
View
B+
Retailer 3
-
£4,952 GBP
$6,635 USD
View
B+
Retailer 4
-
£6,879 GBP
View
B
Retailer 5
-
£11,279 GBP
$15,113 USD
View
Most Expensive
B
Adiamor
D-81071165 · Oct 31
£12,983 GBP
$17,396 USD
View
5 more retailers have this diamond
Prices start from £3,279 GBPSave up to £9,705 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
8.18ct Cushion
£3,279 GBP