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Cushion|Lab Grown|IGI

0.99ct F VS2 Cushion Lab Grown Diamond

EX • F/VS2 • IGI LG623405864

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG623405864

Diamond specifications and retailer prices

From £154 GBP
$207 USD
As of November 1, 2026
Save £790 GBP (84%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £944 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 0.99ct lab-grown cushion diamond

This 0.99ct lab-grown cushion sits in the just-under-one-carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG623405864 or 623405864. Listed at 8 retailers as of October 31, 2026, with prices from £154 to £944, a £790 spread on the same certified stone. Taylor and Hart lists it at £944. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.3°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623405864
Dimensions6.02 × 5.92 × 3.65 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.02 mm5.92 mm0.99 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG623405864
Side View
Table 55.0%Crown 31.3°Girdle: MED-VTKPavilion 38.2°Culet: NoneDepth 61.7%

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: £800 GBP|Low: £154 GBP|High: £887 GBP|Avg: £431 GBP|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7£154 GBP
Retailer 3£223 GBP
Retailer 8£257 GBP
Retailer 6£302 GBP
Retailer 4£310 GBP
Retailer 5£338 GBP
Retailer 9£399 GBP
Retailer 2£688 GBP
Retailer 1£800 GBP
Retailer 10£887 GBP

36 data points across 10 retailers

8 retailers£154 GBP to £944 GBP

A
Cheapest Retailer
-
£154 GBP
$207 USD
Final sale: no returns
A
Retailer 2
-
£223 GBP
View
A
Retailer 3
-
£257 GBP
$344 USD
View
A
Retailer 4
-
£302 GBP
$404 USD
View
A
Retailer 5
-
£310 GBP
View
B+
Retailer 6
-
£338 GBP
€431 EUR
View
B
Retailer 7
-
£800 GBP
View
Most Expensive
B
Taylor and Hart
HNO2JGQ · Oct 31
£944 GBP
$1,265 USD
View
7 more retailers have this diamond
Prices start from £154 GBPSave up to £790 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
£154 GBP