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Cushion|Lab Grown|IGI

0.99ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG662438953

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG662438953

Diamond specifications and retailer prices

From £151 GBP
$203 USD
As of November 1, 2026
Save £695 GBP (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £847 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG662438953 or 662438953. Listed at 17 retailers as of November 1, 2026, with prices from £151 to £847, a £695 spread on the same certified stone. Reve Diamonds lists it at £847. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662438953
Dimensions6.92 × 5.27 × 3.53 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizePointed
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
6.92 mm5.27 mm0.99 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662438953
Side View
Table 63.0%Crown 35.3°Girdle: MED-STKPavilion 37°Culet: NoneDepth 67.0%

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: £419 GBP|Low: £151 GBP|High: £847 GBP|Avg: £423 GBP|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
November 2, 2026
Retailer 12£151 GBP
Retailer 4£168 GBP
Retailer 9£294 GBP
Retailer 13£297 GBP
Retailer 6£301 GBP
Retailer 7£306 GBP
Retailer 2£346 GBP
Retailer 1£419 GBP
Retailer 11£432 GBP
Retailer 3£446 GBP
Retailer 10£492 GBP
Retailer 5£581 GBP
Retailer 8£786 GBP
Reve Diamonds£847 GBP

41 data points across 14 retailers

17 retailers£151 GBP to £847 GBP

A
Cheapest Retailer
-
£151 GBP
$203 USD
Final sale: no returns
Retailer 2
-
£168 GBP
$226 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£263 GBP
$353 USD
View
A
Retailer 4
-
£294 GBP
€376 EUR
View
A
Retailer 5
-
£297 GBP
$399 USD
View
A
Retailer 6
-
£301 GBP
View
A
Retailer 7
-
£306 GBP
ZAR 6,625 ZAR
View
B+
Retailer 8
-
£346 GBP
$464 USD
View
B+
Retailer 9
-
£419 GBP
A$866 AUD
View
B+
Retailer 10
-
£432 GBP
A$891 AUD
View
B+
Retailer 11
-
£446 GBP
$599 USD
View
Retailer 12
-
£479 GBP
$643 USD
View
B+
Retailer 13
-
£492 GBP
$660 USD
View
B
Retailer 14
-
£581 GBP
$780 USD
View
B
Retailer 15
-
£589 GBP
$790 USD
View
B
Retailer 16
-
£786 GBP
View
Most Expensive
B
Reve Diamonds
CD8BCFFC1 · Nov 1
£847 GBP
$1,136 USD
View
16 more retailers have this diamond
Prices start from £151 GBPSave up to £695 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
£151 GBP