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Cushion|Lab Grown|IGI

15.10ct H VS2 Cushion Lab Grown Diamond

EX • H/VS2 • IGI LG602368698

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG602368698

Diamond specifications and retailer prices

From £2,864 GBP
$3,837 USD
As of October 31, 2026
Save £7,557 GBP (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £10,421 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 15.1ct lab-grown cushion diamond

This 15.1ct 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 LG602368698 or 602368698. Listed at 11 retailers as of October 30, 2026, with prices from £2,864 to £10,421, a £7,557 spread on the same certified stone. Taylor and Hart lists it at £10,421. 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

15.10
Carat
H
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602368698
Dimensions14.18 × 13.60 × 8.62 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
14.18 mm13.60 mm15.10 ctH / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602368698
Side View
Table 65.0%Crown 36.9°Girdle: STK-ETKPavilion 32.3°Culet: NoneDepth 63.4%

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 31
Current: £4,745 GBP|Low: £2,864 GBP|High: £13,553 GBP|Avg: £6,517 GBP|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 31, 2026
Retailer 11£2,864 GBP
Retailer 8£2,967 GBP
Retailer 10£3,284 GBP
Retailer 7£3,680 GBP
Retailer 6£3,683 GBP
Retailer 9£4,602 GBP
Retailer 1£4,745 GBP
Retailer 4£6,971 GBP
Retailer 2£8,232 GBP
Retailer 5£8,968 GBP
Retailer 3£9,653 GBP
Taylor and Hart£10,421 GBP

29 data points across 12 retailers

11 retailers£2,864 GBP to £10,421 GBP

A
Cheapest Retailer
-
£2,864 GBP
$3,837 USD
Final sale: no returns
Retailer 2
-
£2,967 GBP
$3,975 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
£3,284 GBP
$4,400 USD
View
A
Retailer 4
-
£3,680 GBP
$4,931 USD
View
A
Retailer 5
-
£3,683 GBP
$4,935 USD
View
Retailer 6
-
£4,602 GBP
$6,166 USD
View
Price last confirmed 10 days ago
A
Retailer 7
-
£4,745 GBP
€6,055 EUR
View
B+
Retailer 8
-
£6,971 GBP
$9,340 USD
View
B+
Retailer 9
-
£8,232 GBP
$11,029 USD
View
B
Retailer 10
-
£8,968 GBP
$12,016 USD
View
Most Expensive
B
Taylor and Hart
S1GQKGK · Oct 30
£10,421 GBP
$13,963 USD
View
10 more retailers have this diamond
Prices start from £2,864 GBPSave up to £7,557 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
15.10ct Cushion
£2,864 GBP