CaratHunter
Plans
Cushion|Lab Grown|IGI

11.29ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG617440174

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG617440174

Diamond specifications and retailer prices

From £1,569 GBP
As of November 2, 2026
Save £14,378 GBP (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £15,947 GBP at Brilliant Earth · As of October 10, 2026
View at Brilliant Earth

About this 11.29ct lab-grown cushion diamond

This 11.29ct 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 LG617440174 or 617440174. Listed at 21 retailers as of November 2, 2026, with a 916% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

11.29
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617440174
Dimensions12.81 × 12.60 × 7.90 mm
L/W Ratio1.02
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
12.81 mm12.60 mm11.29 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617440174
Side View
Table 65.0%Crown 39°Girdle: MED-VTKPavilion 34.9°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
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: Nov 2
Current: £15,947 GBP|Low: £1,569 GBP|High: £15,947 GBP|Avg: £4,032 GBP
Brilliant Earth
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
Retailer 15
November 3, 2026
Retailer 10£1,569 GBP
Retailer 5£1,886 GBP
Retailer 6£1,954 GBP
Retailer 15£2,075 GBP
Retailer 7£2,333 GBP
Retailer 2£2,663 GBP
Retailer 14£2,793 GBP
Retailer 8£2,824 GBP
Retailer 9£2,949 GBP
Retailer 13£3,025 GBP
Retailer 11£3,620 GBP
Retailer 4£5,217 GBP
Retailer 3£5,519 GBP
Retailer 12£6,410 GBP
Brilliant Earth£15,947 GBP

42 data points across 15 retailers

21 retailers£1,569 GBP to £15,947 GBP

A
Cheapest Retailer
-
£1,569 GBP
A
Retailer 2
-
£1,886 GBP
$2,531 USD
View
Final sale: no returns
Retailer 3
-
£1,954 GBP
$2,622 USD
View
Price last confirmed 23 days ago
A
Retailer 4
-
£2,075 GBP
$2,785 USD
View
A
Retailer 5
-
£2,333 GBP
$3,131 USD
View
A
Retailer 6
-
£2,663 GBP
View
A
Retailer 7
-
£2,793 GBP
$3,748 USD
View
A
Retailer 8
-
£2,824 GBP
$3,790 USD
View
A
Retailer 9
-
£2,949 GBP
€3,769 EUR
View
A
Retailer 10
-
£3,025 GBP
ZAR 65,570 ZAR
View
B+
Retailer 11
-
£3,620 GBP
A$7,473 AUD
View
B+
Retailer 12
-
£3,702 GBP
View
Retailer 13
-
£4,849 GBP
$6,508 USD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
£5,217 GBP
$7,001 USD
View
B+
Retailer 15
-
£5,519 GBP
$7,407 USD
View
B
Retailer 16
-
£6,196 GBP
$8,315 USD
View
B+
Retailer 17
-
£6,410 GBP
A$13,233 AUD
View
B
Retailer 18
-
£6,826 GBP
$9,160 USD
View
B
Retailer 19
-
£7,161 GBP
$9,610 USD
View
B
Retailer 20
-
£15,947 GBP
$21,400 USD
View
Most Expensive
Brilliant Earth
16032382A · Oct 10
£15,947 GBP
$21,400 USD
View
Price last confirmed 23 days ago
20 more retailers have this diamond
Prices start from £1,569 GBPSave up to £14,378 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
11.29ct Cushion
£1,569 GBP