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Cushion|Lab Grown|IGI

1.00ct G VVS2 Cushion Lab Grown Diamond

ID • G/VVS2 • IGI LG650418315

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG650418315

Diamond specifications and retailer prices

From £200 GBP
As of November 4, 2026
Save £191 GBP (49%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £472 GBP at Rare Carat
View at Rare Carat

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG650418315 or 650418315. Listed at 3 retailers as of November 4, 2026, with a 96% 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

1.00
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650418315
Dimensions6.74 × 5.42 × 3.64 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.74 mm5.42 mm1.00 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650418315
Side View
Table 61.0%Crown 34.6°Girdle: THN-MEDPavilion 37.1°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £472 GBP|Low: £167 GBP|High: £903 GBP|Avg: £415 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 3£200 GBP
Retailer 6£253 GBP
Retailer 5£261 GBP
Retailer 2£391 GBP
Retailer 8£392 GBP
Rare Carat£472 GBP
Retailer 4£481 GBP
Retailer 7£903 GBP

4 data points across 8 retailers

3 retailers£200 GBP to £391 GBP

B+
Cheapest Retailer
-
£200 GBP
B+
Retailer 2
-
£391 GBP
View
Most Expensive
Rare Carat
CD283-210A
£472 GBP
$638 USD
View
2 more retailers have this diamond
Prices start from £200 GBPSave up to £191 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.

B+
1.00ct Cushion
£200 GBP