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Cushion|Lab Grown|IGI

11.42ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG719515364

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG719515364

Diamond specifications and retailer prices

From £5,160 GBP
$6,914 USD
As of October 31, 2026
2 retailers carry this diamond
Most expensive: £5,654 GBP at Rare Carat · As of August 20, 2026
View at Rare Carat

About this 11.42ct lab-grown cushion diamond

This 11.42ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG719515364 or 719515364. Listed at 2 retailers as of October 31, 2026. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

11.42
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG719515364
Dimensions17.42 × 11.75 × 7.12 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.42 mm11.75 mm11.42 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG719515364
Side View
Table 64.0%Crown 34.8°Girdle: STK-THKPavilion 34.6°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: £5,654 GBP|Low: £2,675 GBP|High: £15,531 GBP|Avg: £7,182 GBP|-0.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
August 23, 2026
Retailer 9£2,675 GBP
Retailer 4£3,911 GBP
Retailer 11£4,598 GBP
Retailer 7£5,160 GBP
Retailer 2£5,424 GBP
Retailer 3£5,506 GBP
Retailer 6£5,630 GBP
Rare Carat£5,654 GBP
Retailer 8£7,107 GBP
Retailer 5£11,299 GBP
Retailer 10£15,494 GBP

78 data points across 11 retailers

2 retailers

B+
Cheapest Retailer
-
£5,160 GBP
$6,914 USD
Most Expensive
Rare Carat
LVK20-6 · Aug 20
£5,654 GBP
$7,576 USD
View
Price last confirmed 73 days ago
1 more retailer has this diamond
Prices start from £5,160 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+
11.42ct Cushion
£5,160 GBP