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Cushion|Lab Grown|IGI

11.60ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG607396649

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG607396649

Diamond specifications and retailer prices

From £2,218 GBP
$2,972 USD
As of October 31, 2026
Save £5,794 GBP (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £8,012 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 11.6ct lab-grown cushion diamond

This 11.6ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG607396649 or 607396649. Listed at 13 retailers as of October 31, 2026, with prices from £2,218 to £8,012, a £5,794 spread on the same certified stone. Taylor and Hart lists it at £8,012. 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

11.60
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle29.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607396649
Dimensions15.43 × 11.04 × 7.51 mm
L/W Ratio1.40
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
15.43 mm11.04 mm11.60 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607396649
Side View
Table 63.0%Crown 38.6°Girdle: STK-VTKPavilion 29.1°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
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: Oct 31
Current: £4,257 GBP|Low: £1,584 GBP|High: £8,012 GBP|Avg: £3,881 GBP|-0.1%
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
Taylor and Hart
November 1, 2026
Retailer 13£2,218 GBP
Retailer 10£2,298 GBP
Retailer 3£2,418 GBP
Retailer 12£2,623 GBP
Retailer 5£2,769 GBP
Retailer 9£3,078 GBP
Retailer 7£3,557 GBP
Retailer 11£3,577 GBP
Retailer 6£3,646 GBP
Retailer 2£3,970 GBP
Retailer 1£4,257 GBP
Retailer 8£4,959 GBP
Retailer 4£6,422 GBP
Taylor and Hart£8,012 GBP

32 data points across 14 retailers

13 retailers£2,218 GBP to £8,012 GBP

A
Cheapest Retailer
-
£2,218 GBP
$2,972 USD
Final sale: no returns
Retailer 2
-
£2,298 GBP
$3,079 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
£2,418 GBP
$3,240 USD
View
A
Retailer 4
-
£2,623 GBP
$3,514 USD
View
A
Retailer 5
-
£3,078 GBP
$4,124 USD
View
A
Retailer 6
-
£3,557 GBP
ZAR 76,999 ZAR
View
A
Retailer 7
-
£3,577 GBP
$4,793 USD
View
A
Retailer 8
-
£3,646 GBP
€4,652 EUR
View
A
Retailer 9
-
£3,970 GBP
View
B+
Retailer 10
-
£4,257 GBP
A$8,776 AUD
View
B+
Retailer 11
-
£4,959 GBP
$6,644 USD
View
B+
Retailer 12
-
£6,422 GBP
$8,605 USD
View
Most Expensive
B
Taylor and Hart
GKB4KHU · Oct 31
£8,012 GBP
$10,736 USD
View
12 more retailers have this diamond
Prices start from £2,218 GBPSave up to £5,794 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
11.60ct Cushion
£2,218 GBP