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Cushion|Lab Grown|IGI

15.28ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG729554353

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

Certificate IGI LG729554353

Diamond specifications and retailer prices

From £2,519 GBP
$3,380 USD
As of November 2, 2026
Save £8,026 GBP (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £10,545 GBP at Adiamor · As of November 2, 2026
View at Adiamor

About this 15.28ct lab-grown cushion diamond

This 15.28ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG729554353 or 729554353. Listed at 11 retailers as of November 2, 2026, with prices from £2,519 to £10,545, a £8,026 spread on the same certified stone. Adiamor lists it at £10,545. 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

15.28
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729554353
Dimensions14.11 × 13.84 × 8.92 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.11 mm13.84 mm15.28 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729554353
Side View
Table 62.0%Crown 35.8°Girdle: THK-VTKPavilion 31.6°Culet: NoneDepth 64.5%

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 2
Current: £10,545 GBP|Low: £2,516 GBP|High: £10,589 GBP|Avg: £6,040 GBP|-0.1%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7£2,516 GBP
Retailer 5£2,519 GBP
Retailer 8£2,926 GBP
Retailer 4£3,372 GBP
Retailer 9£3,913 GBP
Retailer 2£4,417 GBP
Retailer 11£7,494 GBP
Retailer 3£8,365 GBP
Retailer 10£8,765 GBP
Retailer 6£9,807 GBP
Adiamor£10,545 GBP

37 data points across 11 retailers

11 retailers£2,519 GBP to £10,545 GBP

Retailer 1
-
£2,516 GBP
$3,376 USD
Price last confirmed 21 days ago
A
Retailer 2
-
£2,519 GBP
$3,380 USD
View
A
Retailer 3
-
£2,926 GBP
$3,927 USD
View
A
Retailer 4
-
£3,372 GBP
View
A
Retailer 5
-
£3,913 GBP
$5,251 USD
View
A
Retailer 6
-
£4,417 GBP
€5,645 EUR
View
B+
Retailer 7
-
£4,937 GBP
$6,625 USD
View
Retailer 8
-
£8,365 GBP
A$17,270 AUD
View
Price last confirmed 122 days ago
B
Retailer 9
-
£8,765 GBP
$11,762 USD
View
B
Retailer 10
-
£9,807 GBP
$13,160 USD
View
Most Expensive
B
Adiamor
D-72205685 · Nov 2
£10,545 GBP
$14,151 USD
View
10 more retailers have this diamond
Prices start from £2,519 GBPSave up to £8,026 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
15.28ct Cushion
£2,519 GBP