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Cushion|Lab Grown|IGI

15.06ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG752520921

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG752520921

Diamond specifications and retailer prices

From £5,323 GBP
As of November 2, 2026
Save £9,781 GBP (65%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £15,104 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 15.06ct lab-grown cushion diamond

This 15.06ct 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 LG752520921 or 752520921. Listed at 5 retailers as of October 31, 2026, with prices from £5,323 to £15,104, a £9,781 spread on the same certified stone. Taylor and Hart lists it at £15,104. 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

15.06
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752520921
Dimensions13.04 × 13.04 × 8.27 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
13.04 mm13.04 mm15.06 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752520921
Side View
Table 65.0%Crown 35.8°Girdle: MED-THKPavilion 38.3°Culet: NoneDepth 63.4%

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: £8,984 GBP|Low: £3,067 GBP|High: £15,782 GBP|Avg: £7,907 GBP|+5.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Taylor and Hart
November 2, 2026
Retailer 5£3,067 GBP
Retailer 2£5,323 GBP
Retailer 4£5,483 GBP
Retailer 1£8,984 GBP
Retailer 3£9,349 GBP
Taylor and Hart£15,104 GBP

35 data points across 6 retailers

5 retailers£5,323 GBP to £15,104 GBP

A
Cheapest Retailer
-
£5,323 GBP
B+
Retailer 2
-
£5,483 GBP
$7,346 USD
View
B
Retailer 3
-
£8,984 GBP
$12,037 USD
View
B
Retailer 4
-
£9,349 GBP
A$19,272 AUD
View
Most Expensive
B
Taylor and Hart
JWW6HZ4 · Oct 31
£15,104 GBP
$20,238 USD
View
4 more retailers have this diamond
Prices start from £5,323 GBPSave up to £9,781 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
15.06ct Cushion
£5,323 GBP