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Cushion|Lab Grown|IGI

11.53ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG814605005

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG814605005

Diamond specifications and retailer prices

From £1,339 GBP
As of November 2, 2026
Save £5,048 GBP (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £6,386 GBP at Adiamor · As of November 2, 2026
View at Adiamor

About this 11.53ct lab-grown cushion diamond

This 11.53ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG814605005 or 814605005. Listed at 14 retailers as of November 2, 2026, with prices from £1,339 to £6,386, a £5,048 spread on the same certified stone. Adiamor lists it at £6,386. 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

11.53
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814605005
Dimensions14.78 × 11.61 × 7.61 mm
L/W Ratio1.27
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.78 mm11.61 mm11.53 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814605005
Side View
Table 66.0%Crown 37.9°Girdle: STK-VTKPavilion 31.4°Culet: NoneDepth 65.5%

Caratlytics Score

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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: Nov 2
Current: £6,386 GBP|Low: £1,339 GBP|High: £6,394 GBP|Avg: £3,291 GBP|-0.1%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 3, 2026
Retailer 8£1,339 GBP
Retailer 4£1,711 GBP
Retailer 6£1,785 GBP
Retailer 11£1,897 GBP
Retailer 12£2,120 GBP
Retailer 7£2,415 GBP
Retailer 2£2,746 GBP
Retailer 9£2,771 GBP
Retailer 14£3,282 GBP
Retailer 10£3,284 GBP
Retailer 13£4,552 GBP
Retailer 3£4,776 GBP
Retailer 5£6,054 GBP
Adiamor£6,386 GBP

30 data points across 14 retailers

14 retailers£1,339 GBP to £6,386 GBP

A
Cheapest Retailer
-
£1,339 GBP
A
Retailer 2
-
£1,711 GBP
$2,296 USD
View
Final sale: no returns
Retailer 3
-
£1,785 GBP
$2,395 USD
View
Price last confirmed 23 days ago
A
Retailer 4
-
£1,897 GBP
$2,545 USD
View
A
Retailer 5
-
£2,120 GBP
$2,845 USD
View
A
Retailer 6
-
£2,415 GBP
View
A
Retailer 7
-
£2,746 GBP
ZAR 59,540 ZAR
View
A
Retailer 8
-
£2,771 GBP
$3,719 USD
View
A
Retailer 9
-
£3,282 GBP
View
A
Retailer 10
-
£3,284 GBP
A$6,780 AUD
View
B+
Retailer 11
-
£4,552 GBP
$6,109 USD
View
B+
Retailer 12
-
£4,776 GBP
$6,409 USD
View
B
Retailer 13
-
£6,054 GBP
$8,124 USD
View
Most Expensive
B
Adiamor
D-82395048 · Nov 2
£6,386 GBP
$8,570 USD
View
13 more retailers have this diamond
Prices start from £1,339 GBPSave up to £5,048 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
11.53ct Cushion
£1,339 GBP