Cushion|Lab Grown|IGI

0.99ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG801682660

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG801682660

Diamond specifications and retailer prices

From £262 GBP
As of October 27, 2026
Save £536 GBP (67%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £926 GBP at Reve Diamonds · As of October 25, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG801682660 or 801682660. Listed at 14 retailers as of October 26, 2026, with a 205% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801682660
Dimensions6.95 × 5.00 × 3.22 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.95 mm5.00 mm0.99 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801682660
Side View
Table 57.0%Crown 42.4°Girdle: THK-VTKPavilion 39.3°Culet: NoneDepth 64.4%

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 27
Current: £326 GBP|Low: £178 GBP|High: £1,015 GBP|Avg: £466 GBP|-2.3%
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
October 31, 2026
Retailer 4£178 GBP
Retailer 9£262 GBP
Retailer 5£269 GBP
Retailer 6£272 GBP
Retailer 1£326 GBP
Retailer 12£354 GBP
Retailer 10£366 GBP
Retailer 2£429 GBP
Retailer 7£433 GBP
Retailer 8£497 GBP
Retailer 13£505 GBP
Retailer 3£679 GBP
Retailer 11£798 GBP
Reve Diamonds£926 GBP

40 data points across 14 retailers

14 retailers£262 GBP to £798 GBP

A
Cheapest Retailer
-
£262 GBP
A
Retailer 2
-
£269 GBP
$360 USD
View
A
Retailer 3
-
£272 GBP
$364 USD
View
A
Retailer 4
-
£326 GBP
€416 EUR
View
Retailer 5
-
£354 GBP
ZAR 7,663 ZAR
View
Price last confirmed 9 days ago
Retailer 6
-
£359 GBP
View
Price last confirmed 12 days ago
B+
Retailer 7
-
£366 GBP
View
B+
Retailer 8
-
£429 GBP
$575 USD
View
B+
Retailer 9
-
£433 GBP
$580 USD
View
B+
Retailer 10
-
£497 GBP
A$1,024 AUD
View
B+
Retailer 11
-
£505 GBP
$677 USD
View
B
Retailer 12
-
£679 GBP
$910 USD
View
B
Retailer 13
-
£798 GBP
View
Most Expensive
Reve Diamonds
824C3A319 · Oct 25
£926 GBP
$1,241 USD
View
Price last confirmed 7 days ago
13 more retailers have this diamond
Prices start from £262 GBPSave up to £536 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
£262 GBP