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Cushion|Lab Grown|IGI

11.00ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG675561371

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG675561371

Diamond specifications and retailer prices

From £4,219 GBP
$5,661 USD
As of November 2, 2026
Save £11,454 GBP (73%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £15,673 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 11ct lab-grown cushion diamond

This 11ct 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 LG675561371 or 675561371. Listed at 21 retailers as of October 31, 2026, with prices from £4,219 to £15,673, a £11,454 spread on the same certified stone. Taylor and Hart lists it at £15,673. 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

11.00
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675561371
Dimensions14.79 × 11.55 × 7.74 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.79 mm11.55 mm11.00 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675561371
Side View
Table 67.0%Crown 36.4°Girdle: THK-VTKPavilion 35.5°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £6,900 GBP|Low: £4,210 GBP|High: £16,014 GBP|Avg: £7,569 GBP|+2.3%
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
Retailer 14
Retailer 15
November 2, 2026
Retailer 6£4,219 GBP
Retailer 15£4,362 GBP
Retailer 11£4,599 GBP
Retailer 12£5,496 GBP
Retailer 8£5,534 GBP
Retailer 7£6,178 GBP
Retailer 14£6,185 GBP
Retailer 2£6,625 GBP
Retailer 13£6,688 GBP
Retailer 1£6,900 GBP
Retailer 10£7,539 GBP
Retailer 9£8,287 GBP
Retailer 4£10,119 GBP
Retailer 5£14,589 GBP
Retailer 3£15,537 GBP

40 data points across 15 retailers

21 retailers£4,219 GBP to £15,673 GBP

B+
Cheapest Retailer
-
£4,219 GBP
$5,661 USD
Retailer 2
-
£4,362 GBP
$5,853 USD
View
Price last confirmed 21 days ago
B+
Retailer 3
-
£4,378 GBP
$5,875 USD
View
B+
Retailer 4
-
£4,599 GBP
$6,171 USD
View
Final sale: no returns
B+
Retailer 5
-
£5,036 GBP
HK$52,800 HKD
View
Retailer 6
-
£5,481 GBP
$7,355 USD
View
Our latest check could not confirm this price
Retailer 7
-
£5,496 GBP
$7,375 USD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
£5,534 GBP
View
B
Retailer 9
-
£6,178 GBP
View
B+
Retailer 10
-
£6,185 GBP
$8,300 USD
View
B
Retailer 11
-
£6,625 GBP
$8,891 USD
View
Retailer 12
-
£6,688 GBP
ZAR 144,995 ZAR
View
Price last confirmed 18 days ago
B
Retailer 13
-
£6,900 GBP
€8,818 EUR
View
B
Retailer 14
-
£7,539 GBP
A$15,565 AUD
View
B
Retailer 15
-
£8,206 GBP
$11,012 USD
View
B
Retailer 16
-
£8,287 GBP
A$17,109 AUD
View
B
Retailer 17
-
£10,119 GBP
$13,579 USD
View
B
Retailer 18
-
£12,127 GBP
$16,274 USD
View
B
Retailer 19
-
£14,589 GBP
SGD 26,456 SGD
View
B
Retailer 20
-
£15,537 GBP
$20,850 USD
View
Most Expensive
B
Taylor and Hart
ZKDTMI6 · Oct 31
£15,673 GBP
$21,032 USD
View
20 more retailers have this diamond
Prices start from £4,219 GBPSave up to £11,454 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.

B+
11.00ct Cushion
£4,219 GBP