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Cushion|Lab Grown|IGI

15.09ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG776692857

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG776692857

Diamond specifications and retailer prices

From £3,024 GBP
HK$31,700 HKD
As of November 1, 2026
Save £9,934 GBP (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £12,957 GBP at With Clarity · As of November 2, 2026
View at With Clarity

About this 15.09ct lab-grown cushion diamond

This 15.09ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG776692857 or 776692857. Listed at 16 retailers as of November 1, 2026, with prices from £3,024 to £12,957, a £9,934 spread on the same certified stone. With Clarity lists it at £12,957. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

15.09
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776692857
Dimensions17.19 × 12.25 × 7.96 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.19 mm12.25 mm15.09 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776692857
Side View
Table 68.0%Crown 35°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 65.0%

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 1
Current: £3,941 GBP|Low: £2,569 GBP|High: £15,321 GBP|Avg: £6,062 GBP|-8.1%
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
Retailer 14
Retailer 15
Retailer 16
With Clarity
November 2, 2026
Retailer 5£2,569 GBP
Retailer 16£2,994 GBP
Retailer 10£3,024 GBP
Retailer 12£3,373 GBP
Retailer 13£3,424 GBP
Retailer 14£3,506 GBP
Retailer 1£3,941 GBP
Retailer 15£4,101 GBP
Retailer 2£4,133 GBP
Retailer 7£4,922 GBP
Retailer 4£4,941 GBP
Retailer 3£7,378 GBP
Retailer 11£8,568 GBP
Retailer 6£9,273 GBP
Retailer 9£10,845 GBP
Retailer 8£11,297 GBP
With Clarity£12,957 GBP

33 data points across 17 retailers

16 retailers£3,024 GBP to £12,957 GBP

A
Retailer 1
-
£2,994 GBP
$4,018 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£3,024 GBP
HK$31,700 HKD
View
A
Retailer 3
-
£3,373 GBP
$4,527 USD
View
Retailer 4
-
£3,424 GBP
$4,595 USD
View
Price last confirmed 5 days ago
A
Retailer 5
-
£3,506 GBP
View
A
Retailer 6
-
£3,941 GBP
€5,037 EUR
View
Retailer 7
-
£4,101 GBP
ZAR 88,915 ZAR
View
Price last confirmed 8 days ago
A
Retailer 8
-
£4,133 GBP
$5,546 USD
View
Price last confirmed 6 days ago
Retailer 9
-
£4,922 GBP
$6,605 USD
View
Price last confirmed 12 days ago
Retailer 10
-
£4,941 GBP
A$10,200 AUD
View
Price last confirmed 11 days ago
Retailer 11
-
£7,378 GBP
$9,900 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
£8,568 GBP
A$17,688 AUD
View
Retailer 13
-
£9,273 GBP
$12,443 USD
View
Price last confirmed 7 days ago
B
Retailer 14
-
£10,845 GBP
$14,553 USD
View
B
Retailer 15
-
£11,297 GBP
$15,160 USD
View
Most Expensive
B
With Clarity
776692857 · Nov 2
£12,957 GBP
$17,388 USD
View
15 more retailers have this diamond
Prices start from £3,024 GBPSave up to £9,934 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
15.09ct Cushion
£3,024 GBP