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Cushion|Lab Grown|IGI

15.63ct H VS2 Cushion Lab Grown Diamond

ID • H/VS2 • IGI LG627413260

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG627413260

Diamond specifications and retailer prices

From £2,468 GBP
As of October 30, 2026
Save £11,137 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £13,606 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 15.63ct lab-grown cushion diamond

This 15.63ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG627413260 or 627413260. Listed at 12 retailers as of October 29, 2026, with prices from £2,468 to £13,606, a £11,137 spread on the same certified stone. Brilliant Earth lists it at £13,606. 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

15.63
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627413260
Dimensions14.53 × 13.99 × 8.85 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
14.53 mm13.99 mm15.63 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627413260
Side View
Table 64.0%Crown 41.5°Girdle: MED-VTKPavilion 31.7°Culet: NoneDepth 63.3%

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: Oct 30
Current: £13,606 GBP|Low: £2,460 GBP|High: £14,031 GBP|Avg: £6,391 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 2£2,468 GBP
Retailer 12£2,958 GBP
Retailer 11£3,064 GBP
Retailer 3£3,386 GBP
Retailer 9£3,809 GBP
Retailer 8£3,810 GBP
Retailer 10£4,751 GBP
Retailer 6£4,946 GBP
Retailer 13£8,504 GBP
Retailer 7£9,576 GBP
Retailer 5£9,985 GBP
Retailer 4£10,788 GBP
Brilliant Earth£13,606 GBP

32 data points across 13 retailers

12 retailers£2,468 GBP to £13,606 GBP

A
Cheapest Retailer
-
£2,468 GBP
A
Retailer 2
-
£2,958 GBP
$3,963 USD
View
Final sale: no returns
Retailer 3
-
£3,064 GBP
$4,106 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
£3,386 GBP
$4,537 USD
View
A
Retailer 5
-
£3,809 GBP
$5,104 USD
View
B+
Retailer 6
-
£3,810 GBP
$5,105 USD
View
Retailer 7
-
£4,751 GBP
$6,366 USD
View
Price last confirmed 9 days ago
A
Retailer 8
-
£4,946 GBP
€6,311 EUR
View
B+
Retailer 9
-
£8,504 GBP
$11,395 USD
View
B
Retailer 10
-
£9,576 GBP
$12,831 USD
View
B
Retailer 11
-
£10,788 GBP
$14,455 USD
View
Most Expensive
B
Brilliant Earth
20602538A · Oct 29
£13,606 GBP
$18,230 USD
View
11 more retailers have this diamond
Prices start from £2,468 GBPSave up to £11,137 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
15.63ct Cushion
£2,468 GBP