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Cushion|Lab Grown|IGI

15.12ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG723588071

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

Certificate IGI LG723588071

Diamond specifications and retailer prices

From £9,181 GBP
$12,321 USD
As of November 2, 2026
2 retailers carry this diamond
Most expensive: £9,181 GBP at Adiamor
View at Adiamor

About this 15.12ct lab-grown cushion diamond

This 15.12ct 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 LG723588071 or 723588071. Listed at 2 retailers as of November 2, 2026. 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

15.12
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG723588071
Dimensions14.95 × 14.82 × 8.82 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.95 mm14.82 mm15.12 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG723588071
Side View
Table 62.0%Crown 34°Girdle: MED-THKPavilion 36.7°Culet: NoneDepth 59.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: £9,181 GBP|Low: £4,214 GBP|High: £30,985 GBP|Avg: £11,214 GBP
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 7, 2026
Retailer 8£4,214 GBP
Retailer 4£4,365 GBP
Retailer 7£4,400 GBP
Retailer 2£6,287 GBP
Retailer 9£6,658 GBP
Retailer 3£7,457 GBP
Adiamor£9,181 GBP
Retailer 6£12,065 GBP
Retailer 10£22,013 GBP
Retailer 5£30,985 GBP

17 data points across 10 retailers

2 retailers

Retailer 1
-
£7,457 GBP
ZAR 161,664 ZAR
Price last confirmed 26 days ago
Most Expensive
B
Adiamor
D-71246889 · Nov 2
£9,181 GBP
$12,321 USD
View
1 more retailer has this diamond

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
15.12ct Cushion
£9,181 GBP