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Cushion|Lab Grown|IGI

11.56ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG602355470

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG602355470

Diamond specifications and retailer prices

From £1,918 GBP
$2,570 USD
As of October 31, 2026
Save £5,025 GBP (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £6,944 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 11.56ct lab-grown cushion diamond

This 11.56ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG602355470 or 602355470. Listed at 14 retailers as of October 30, 2026, with prices from £1,918 to £6,944, a £5,025 spread on the same certified stone. Taylor and Hart lists it at £6,944. 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

11.56
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602355470
Dimensions16.11 × 11.34 × 8.01 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
16.11 mm11.34 mm11.56 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602355470
Side View
Table 58.0%Crown 37.6°Girdle: MED-VTKPavilion 35.9°Culet: NoneDepth 70.6%

Caratlytics Score

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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 31
Current: £3,147 GBP|Low: £1,918 GBP|High: £5,820 GBP|Avg: £2,978 GBP|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 2£1,918 GBP
Retailer 10£1,987 GBP
Retailer 7£2,112 GBP
Retailer 11£2,373 GBP
Retailer 4£2,737 GBP
Retailer 6£2,835 GBP
Retailer 9£3,102 GBP
Retailer 1£3,147 GBP
Retailer 3£3,776 GBP
Retailer 8£5,044 GBP
Retailer 5£5,783 GBP

42 data points across 11 retailers

14 retailers£1,918 GBP to £6,944 GBP

A
Cheapest Retailer
-
£1,918 GBP
$2,570 USD
Final sale: no returns
Retailer 2
-
£1,987 GBP
$2,663 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
£2,112 GBP
$2,830 USD
View
A
Retailer 4
-
£2,373 GBP
$3,179 USD
View
A
Retailer 5
-
£2,737 GBP
View
A
Retailer 6
-
£2,835 GBP
$3,798 USD
View
Retailer 7
-
£3,102 GBP
$4,157 USD
View
Price last confirmed 10 days ago
A
Retailer 8
-
£3,147 GBP
€4,016 EUR
View
B+
Retailer 9
-
£3,776 GBP
View
B
Retailer 10
-
£5,044 GBP
$6,758 USD
View
B+
Retailer 11
-
£5,308 GBP
$7,112 USD
View
B
Retailer 12
-
£5,609 GBP
$7,516 USD
View
B
Retailer 13
-
£5,783 GBP
$7,749 USD
View
Most Expensive
B
Taylor and Hart
XWWIY5U · Oct 30
£6,944 GBP
$9,304 USD
View
13 more retailers have this diamond
Prices start from £1,918 GBPSave up to £5,025 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
11.56ct Cushion
£1,918 GBP