CaratHunter
Plans
Cushion|Lab Grown|IGI

0.99ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG662438949

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG662438949

Diamond specifications and retailer prices

From £152 GBP
$203 USD
As of October 30, 2026
Save £696 GBP (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £848 GBP at Reve Diamonds · As of October 30, 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 LG662438949 or 662438949. Listed at 17 retailers as of October 30, 2026, with prices from £152 to £848, a £696 spread on the same certified stone. Reve Diamonds lists it at £848. 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 angle32.2°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662438949
Dimensions6.96 × 5.39 × 3.62 mm
L/W Ratio1.29
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
6.96 mm5.39 mm0.99 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662438949
Side View
Table 58.0%Crown 32.2°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £301 GBP|Low: £151 GBP|High: £848 GBP|Avg: £415 GBP|+4.8%
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
Retailer 14
Reve Diamonds
October 31, 2026
Retailer 12£152 GBP
Retailer 3£169 GBP
Retailer 13£298 GBP
Retailer 1£301 GBP
Retailer 10£304 GBP
Retailer 8£325 GBP
Retailer 14£346 GBP
Retailer 11£420 GBP
Retailer 5£432 GBP
Retailer 2£447 GBP
Retailer 7£493 GBP
Retailer 6£578 GBP
Retailer 4£582 GBP
Retailer 9£791 GBP
Reve Diamonds£848 GBP

45 data points across 15 retailers

17 retailers£152 GBP to £848 GBP

A
Cheapest Retailer
-
£152 GBP
$203 USD
Final sale: no returns
A
Retailer 2
-
£169 GBP
$226 USD
View
A
Retailer 3
-
£263 GBP
$353 USD
View
A
Retailer 4
-
£298 GBP
$399 USD
View
A
Retailer 5
-
£301 GBP
View
A
Retailer 6
-
£304 GBP
ZAR 6,589 ZAR
View
A
Retailer 7
-
£325 GBP
€415 EUR
View
B+
Retailer 8
-
£346 GBP
$464 USD
View
B+
Retailer 9
-
£420 GBP
A$866 AUD
View
B+
Retailer 10
-
£432 GBP
A$891 AUD
View
B+
Retailer 11
-
£447 GBP
$599 USD
View
Retailer 12
-
£480 GBP
$643 USD
View
B+
Retailer 13
-
£493 GBP
$660 USD
View
B
Retailer 14
-
£582 GBP
$780 USD
View
B
Retailer 15
-
£590 GBP
$790 USD
View
B
Retailer 16
-
£791 GBP
View
Most Expensive
B
Reve Diamonds
FED4E6136 · Oct 30
£848 GBP
$1,136 USD
View
16 more retailers have this diamond
Prices start from £152 GBPSave up to £696 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
£152 GBP