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Cushion|Lab Grown|IGI

15.02ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG736507159

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

Certificate IGI LG736507159

Diamond specifications and retailer prices

From £3,855 GBP
$5,173 USD
As of November 1, 2026
Save £19,827 GBP (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £27,870 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 15.02ct lab-grown cushion diamond

This 15.02ct 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 LG736507159 or 736507159. Listed at 14 retailers as of November 1, 2026, with a 514% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

15.02
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG736507159
Dimensions14.46 × 14.45 × 9.78 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.46 mm14.45 mm15.02 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG736507159
Side View
Table 59.0%Crown 37.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £5,594 GBP|Low: £3,855 GBP|High: £9,607 GBP|Avg: £6,060 GBP|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 11£3,855 GBP
Retailer 10£3,993 GBP
Retailer 7£3,994 GBP
Retailer 2£4,131 GBP
Retailer 9£5,134 GBP
Retailer 1£5,594 GBP
Retailer 8£5,745 GBP
Retailer 6£6,822 GBP
Retailer 4£8,377 GBP
Retailer 3£8,664 GBP
Retailer 5£9,489 GBP

42 data points across 11 retailers

14 retailers£3,855 GBP to £23,682 GBP

A
Cheapest Retailer
-
£3,855 GBP
$5,173 USD
Final sale: no returns
Retailer 2
-
£3,993 GBP
$5,358 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
£3,994 GBP
$5,360 USD
View
A
Retailer 4
-
£4,131 GBP
$5,543 USD
View
Retailer 5
-
£5,134 GBP
$6,890 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£5,594 GBP
View
B+
Retailer 7
-
£5,745 GBP
$7,710 USD
View
B+
Retailer 8
-
£6,822 GBP
ZAR 147,889 ZAR
View
B
Retailer 9
-
£8,377 GBP
A$17,294 AUD
View
B
Retailer 10
-
£8,664 GBP
$11,627 USD
View
B
Retailer 11
-
£9,489 GBP
A$19,591 AUD
View
B
Retailer 12
-
£15,807 GBP
$21,211 USD
View
B
Retailer 13
-
£23,682 GBP
$31,780 USD
View
Most Expensive
Do Amore Diamonds
23-736507159 · Nov 2
£27,870 GBP
$37,400 USD
View
Price under review
13 more retailers have this diamond
Prices start from £3,855 GBPSave up to £19,827 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
15.02ct Cushion
£3,855 GBP