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Cushion|Lab Grown|IGI

0.99ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG799606203

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

Certificate IGI LG799606203

Diamond specifications and retailer prices

From £120 GBP
$161 USD
As of November 1, 2026
Save £638 GBP (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £758 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 LG799606203 or 799606203. Listed at 16 retailers as of November 1, 2026, with prices from £120 to £758, a £638 spread on the same certified stone. Reve Diamonds lists it at £758. 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
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799606203
Dimensions6.16 × 5.61 × 3.77 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.16 mm5.61 mm0.99 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799606203
Side View
Table 65.0%Crown 33°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 67.2%

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: £230 GBP|Low: £120 GBP|High: £758 GBP|Avg: £354 GBP|+2.0%
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
Retailer 15
Reve Diamonds
November 2, 2026
Retailer 5£120 GBP
Retailer 15£133 GBP
Retailer 1£230 GBP
Retailer 10£233 GBP
Retailer 8£243 GBP
Retailer 2£248 GBP
Retailer 4£253 GBP
Retailer 12£254 GBP
Retailer 3£315 GBP
Retailer 14£340 GBP
Retailer 13£391 GBP
Retailer 11£462 GBP
Retailer 7£471 GBP
Retailer 9£625 GBP
Retailer 6£704 GBP
Reve Diamonds£758 GBP

44 data points across 16 retailers

16 retailers£120 GBP to £758 GBP

A
Cheapest Retailer
-
£120 GBP
$161 USD
Final sale: no returns
Retailer 2
-
£133 GBP
$179 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£230 GBP
View
A
Retailer 4
-
£233 GBP
€298 EUR
View
A
Retailer 5
-
£243 GBP
ZAR 5,264 ZAR
View
A
Retailer 6
-
£248 GBP
$333 USD
View
A
Retailer 7
-
£253 GBP
$339 USD
View
A
Retailer 8
-
£254 GBP
View
A
Retailer 9
-
£315 GBP
$423 USD
View
B+
Retailer 10
-
£340 GBP
$456 USD
View
Retailer 11
-
£391 GBP
$525 USD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
£462 GBP
$620 USD
View
B+
Retailer 13
-
£471 GBP
$632 USD
View
B
Retailer 14
-
£625 GBP
View
B
Retailer 15
-
£704 GBP
View
Most Expensive
B
Reve Diamonds
A2B74D304 · Nov 1
£758 GBP
$1,017 USD
View
15 more retailers have this diamond
Prices start from £120 GBPSave up to £638 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
£120 GBP