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Cushion|Lab Grown|IGI

15.08ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG665414869

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG665414869

Diamond specifications and retailer prices

From £2,674 GBP
$3,588 USD
As of November 1, 2026
Save £8,162 GBP (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £10,836 GBP at Adiamor · As of November 2, 2026
View at Adiamor

About this 15.08ct lab-grown cushion diamond

This 15.08ct 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 LG665414869 or 665414869. Listed at 9 retailers as of November 1, 2026, with prices from £2,674 to £10,836, a £8,162 spread on the same certified stone. Adiamor lists it at £10,836. 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

15.08
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle27.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665414869
Dimensions16.62 × 12.29 × 7.95 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.62 mm12.29 mm15.08 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665414869
Side View
Table 61.0%Crown 34.9°Girdle: VTK-ETKPavilion 27.7°Culet: NoneDepth 64.7%

Caratlytics Score

How it works →
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: £10,836 GBP|Low: £2,674 GBP|High: £11,836 GBP|Avg: £6,144 GBP|-1.6%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8£2,674 GBP
Retailer 5£3,110 GBP
Retailer 9£3,178 GBP
Retailer 2£3,652 GBP
Retailer 3£4,300 GBP
Retailer 4£5,148 GBP
Retailer 10£5,293 GBP
Retailer 6£7,683 GBP
Retailer 7£9,683 GBP
Adiamor£10,836 GBP

19 data points across 10 retailers

9 retailers£2,674 GBP to £10,836 GBP

A
Cheapest Retailer
-
£2,674 GBP
$3,588 USD
Final sale: no returns
A
Retailer 2
-
£3,110 GBP
$4,173 USD
View
A
Retailer 3
-
£3,178 GBP
$4,265 USD
View
A
Retailer 4
-
£3,652 GBP
View
A
Retailer 5
-
£4,300 GBP
$5,771 USD
View
B+
Retailer 6
-
£5,148 GBP
A$10,628 AUD
View
B+
Retailer 7
-
£7,683 GBP
$10,310 USD
View
B
Retailer 8
-
£9,683 GBP
$12,994 USD
View
Most Expensive
B
Adiamor
D-65346528 · Nov 2
£10,836 GBP
$14,541 USD
View
8 more retailers have this diamond
Prices start from £2,674 GBPSave up to £8,162 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
15.08ct Cushion
£2,674 GBP