Cushion|Lab Grown|IGI

0.99ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG818659111

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818659111

Diamond specifications and retailer prices

From £157 GBP
$211 USD
As of October 30, 2026
Save £666 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £824 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.99ct lab-grown cushion diamond

This 0.99ct lab-grown cushion sits in the just-under-one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818659111 or 818659111. Listed at 14 retailers as of October 29, 2026, with prices from £157 to £824, a £666 spread on the same certified stone. MOH London lists it at £824. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659111
Dimensions7.44 × 4.97 × 3.38 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.44 mm4.97 mm0.99 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659111
Side View
Table 60.0%Crown 33.4°Girdle: STK-VTKPavilion 34.6°Culet: NoneDepth 68.0%

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: £824 GBP|Low: £149 GBP|High: £873 GBP|Avg: £424 GBP|+6.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 12£157 GBP
Retailer 5£164 GBP
Retailer 2£295 GBP
Retailer 13£297 GBP
Retailer 9£308 GBP
Retailer 6£319 GBP
Retailer 10£323 GBP
Retailer 3£409 GBP
Retailer 7£447 GBP
Retailer 11£604 GBP
Retailer 4£631 GBP
Retailer 8£679 GBP
MOH London£824 GBP

41 data points across 13 retailers

14 retailers£157 GBP to £824 GBP

A
Cheapest Retailer
-
£157 GBP
$211 USD
Final sale: no returns
A
Retailer 2
-
£164 GBP
$220 USD
View
A
Retailer 3
-
£295 GBP
€376 EUR
View
A
Retailer 4
-
£297 GBP
ZAR 6,426 ZAR
View
A
Retailer 5
-
£308 GBP
$413 USD
View
A
Retailer 6
-
£319 GBP
View
A
Retailer 7
-
£323 GBP
$433 USD
View
A
Retailer 8
-
£409 GBP
A$844 AUD
View
B+
Retailer 9
-
£447 GBP
$599 USD
View
B+
Retailer 10
-
£538 GBP
SGD 975 SGD
View
B+
Retailer 11
-
£604 GBP
$809 USD
View
Retailer 12
-
£631 GBP
$845 USD
View
Price last confirmed 13 days ago
B+
Retailer 13
-
£679 GBP
$910 USD
View
Most Expensive
B
MOH London
LG818659111 · Oct 29
£824 GBP
View
13 more retailers have this diamond
Prices start from £157 GBPSave up to £666 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
0.99ct Cushion
£157 GBP