Cushion|Lab Grown|IGI

15.04ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG768663181

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG768663181

Diamond specifications and retailer prices

From £3,467 GBP
$4,645 USD
As of October 29, 2026
Save £8,981 GBP (72%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £12,447 GBP at Taylor and Hart · As of October 27, 2026
View at Taylor and Hart

About this 15.04ct lab-grown cushion diamond

This 15.04ct 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 LG768663181 or 768663181. Listed at 7 retailers as of October 27, 2026, with prices from £3,467 to £12,447, a £8,981 spread on the same certified stone. Taylor and Hart lists it at £12,447. 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

15.04
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768663181
Dimensions12.60 × 12.60 × 8.28 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
12.60 mm12.60 mm15.04 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768663181
Side View
Table 64.0%Crown 38.1°Girdle: STK-THKPavilion 33.5°Culet: NoneDepth 65.7%

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 29
Current: £4,606 GBP|Low: £3,344 GBP|High: £12,447 GBP|Avg: £6,828 GBP|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
October 30, 2026
Retailer 5£3,467 GBP
Retailer 4£4,527 GBP
Retailer 1£4,606 GBP
Retailer 3£4,877 GBP
Retailer 6£8,548 GBP
Retailer 2£8,992 GBP
Taylor and Hart£12,447 GBP

21 data points across 7 retailers

7 retailers£3,467 GBP to £12,447 GBP

A
Cheapest Retailer
-
£3,467 GBP
$4,645 USD
A
Retailer 2
-
£4,527 GBP
$6,066 USD
View
A
Retailer 3
-
£4,606 GBP
View
Retailer 4
-
£4,877 GBP
$6,535 USD
View
Price last confirmed 18 days ago
B
Retailer 5
-
£8,548 GBP
$11,453 USD
View
Retailer 6
-
£8,992 GBP
A$18,535 AUD
View
Price last confirmed 24 days ago
Most Expensive
B
Taylor and Hart
HASD6R8 · Oct 27
£12,447 GBP
$16,678 USD
View
6 more retailers have this diamond
Prices start from £3,467 GBPSave up to £8,981 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
15.04ct Cushion
£3,467 GBP