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Cushion|Lab Grown|IGI

15.08ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG736507158

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

Certificate IGI LG736507158

Diamond specifications and retailer prices

From £3,870 GBP
$5,193 USD
As of November 1, 2026
Save £19,902 GBP (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £27,982 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 15.08ct lab-grown cushion diamond

This 15.08ct 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 LG736507158 or 736507158. 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

15.08
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG736507158
Dimensions14.52 × 14.46 × 9.74 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
14.52 mm14.46 mm15.08 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG736507158
Side View
Table 60.0%Crown 36.8°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 67.4%

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: £5,616 GBP|Low: £3,870 GBP|High: £9,665 GBP|Avg: £6,087 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£3,870 GBP
Retailer 10£4,008 GBP
Retailer 7£4,009 GBP
Retailer 2£4,145 GBP
Retailer 9£5,146 GBP
Retailer 1£5,616 GBP
Retailer 8£5,769 GBP
Retailer 6£6,848 GBP
Retailer 4£8,410 GBP
Retailer 3£8,731 GBP
Retailer 5£9,527 GBP

42 data points across 11 retailers

14 retailers£3,870 GBP to £23,772 GBP

A
Cheapest Retailer
-
£3,870 GBP
$5,193 USD
Final sale: no returns
Retailer 2
-
£4,008 GBP
$5,378 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
£4,009 GBP
$5,380 USD
View
A
Retailer 4
-
£4,145 GBP
$5,563 USD
View
Retailer 5
-
£5,146 GBP
$6,905 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£5,616 GBP
View
B+
Retailer 7
-
£5,769 GBP
$7,741 USD
View
B+
Retailer 8
-
£6,848 GBP
ZAR 148,455 ZAR
View
B
Retailer 9
-
£8,410 GBP
A$17,363 AUD
View
B
Retailer 10
-
£8,731 GBP
$11,716 USD
View
B
Retailer 11
-
£9,527 GBP
A$19,668 AUD
View
B
Retailer 12
-
£15,856 GBP
$21,278 USD
View
B
Retailer 13
-
£23,772 GBP
$31,900 USD
View
Most Expensive
Do Amore Diamonds
23-736507158 · Nov 2
£27,982 GBP
$37,550 USD
View
Price under review
13 more retailers have this diamond
Prices start from £3,870 GBPSave up to £19,902 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
15.08ct Cushion
£3,870 GBP