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Cushion|Lab Grown|IGI

10.18ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG821616894

Shape and cutting style on the report: Cushion antique brilliant

Certificate IGI LG821616894

Diamond specifications and retailer prices

From £6,491 GBP
As of October 31, 2026
Save £13,699 GBP (68%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £20,190 GBP at Adiamor · As of October 31, 2026
View at Adiamor

About this 10.18ct lab-grown cushion diamond

This 10.18ct 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 LG821616894 or 821616894. Listed at 4 retailers as of October 31, 2026, with prices from £6,491 to £20,190, a £13,699 spread on the same certified stone. Adiamor lists it at £20,190. 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

10.18
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821616894
Dimensions14.68 × 10.27 × 7.17 mm
L/W Ratio1.43
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
14.68 mm10.27 mm10.18 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821616894
Side View
Table 59.0%Crown 41.8°Girdle: Extremely ThickPavilion 36.4°Culet: LargeDepth 69.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: £20,190 GBP|Low: £6,451 GBP|High: £20,190 GBP|Avg: £13,114 GBP
Adiamor
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 2£6,491 GBP
Retailer 3£7,997 GBP
Retailer 4£18,087 GBP
Adiamor£20,190 GBP

31 data points across 4 retailers

4 retailers£6,491 GBP to £20,190 GBP

B+
Cheapest Retailer
-
£6,491 GBP
B
Retailer 2
-
£7,997 GBP
$10,715 USD
View
B
Retailer 3
-
£18,087 GBP
$24,235 USD
View
Most Expensive
B
Adiamor
D-82317232 · Oct 31
£20,190 GBP
$27,052 USD
View
3 more retailers have this diamond
Prices start from £6,491 GBPSave up to £13,699 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.

B+
10.18ct Cushion
£6,491 GBP