Cushion|Lab Grown|IGI

11.09ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG836688480

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG836688480

Diamond specifications and retailer prices

From £2,543 GBP
$3,413 USD
As of November 2, 2026
Save £5,834 GBP (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £8,377 GBP at With Clarity · As of November 2, 2026
View at With Clarity

About this 11.09ct lab-grown cushion diamond

This 11.09ct 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 LG836688480 or 836688480. Listed at 10 retailers as of November 2, 2026, with prices from £2,543 to £8,377, a £5,834 spread on the same certified stone. With Clarity lists it at £8,377. 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

11.09
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836688480
Dimensions13.37 × 13.33 × 8.33 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.37 mm13.33 mm11.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836688480
Side View
Table 63.0%Crown 33.1°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 62.5%

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: £3,617 GBP|Low: £2,384 GBP|High: £8,377 GBP|Avg: £4,800 GBP|+9.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
November 2, 2026
Retailer 6£2,543 GBP
Retailer 5£2,642 GBP
Retailer 2£2,995 GBP
Retailer 7£3,482 GBP
Retailer 1£3,617 GBP
Retailer 3£4,777 GBP
Retailer 4£6,079 GBP
Retailer 9£6,372 GBP
Retailer 8£7,800 GBP
With Clarity£8,377 GBP

32 data points across 10 retailers

10 retailers£2,543 GBP to £8,377 GBP

A
Cheapest Retailer
-
£2,543 GBP
$3,413 USD
A
Retailer 2
-
£2,642 GBP
HK$27,700 HKD
View
A
Retailer 3
-
£2,995 GBP
View
B+
Retailer 4
-
£3,482 GBP
$4,673 USD
View
B+
Retailer 5
-
£3,617 GBP
€4,623 EUR
View
Retailer 6
-
£4,777 GBP
$6,410 USD
View
Price last confirmed 12 days ago
B
Retailer 7
-
£6,079 GBP
$8,157 USD
View
Retailer 8
-
£6,372 GBP
A$13,156 AUD
View
Price last confirmed 25 days ago
B
Retailer 9
-
£7,800 GBP
$10,467 USD
View
Most Expensive
B
With Clarity
836688480 · Nov 2
£8,377 GBP
$11,242 USD
View
9 more retailers have this diamond
Prices start from £2,543 GBPSave up to £5,834 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
11.09ct Cushion
£2,543 GBP