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Radiant|Lab Grown|IGI

15.05ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG779643416

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG779643416

Diamond specifications and retailer prices

From £2,509 GBP
HK$26,300 HKD
As of November 1, 2026
Save £8,759 GBP (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £11,267 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 15.05ct lab-grown radiant diamond

This 15.05ct lab-grown radiant 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 LG779643416 or 779643416. Listed at 9 retailers as of November 1, 2026, with prices from £2,509 to £11,267, a £8,759 spread on the same certified stone. Brilliant Earth lists it at £11,267. 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

15.05
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779643416
Dimensions17.97 × 11.93 × 7.88 mm
L/W Ratio1.51
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.97 mm11.93 mm15.05 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779643416
Side View
Table 68.0%Crown 47.1°Girdle: Slightly ThickPavilion 38.9°Culet: NoneDepth 66.1%

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: Nov 1
Current: £11,267 GBP|Low: £2,509 GBP|High: £21,953 GBP|Avg: £6,215 GBP|-48.7%
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
Retailer 14
November 2, 2026
Retailer 8£2,509 GBP
Retailer 11£2,541 GBP
Retailer 13£2,918 GBP
Retailer 2£3,271 GBP
Retailer 10£3,556 GBP
Retailer 4£3,681 GBP
Retailer 5£3,803 GBP
Retailer 14£3,895 GBP
Retailer 12£4,862 GBP
Retailer 6£8,386 GBP
Retailer 3£8,971 GBP
Retailer 9£10,591 GBP
Retailer 7£10,660 GBP
Brilliant Earth£11,267 GBP

15 data points across 14 retailers

9 retailers£2,509 GBP to £11,267 GBP

A
Cheapest Retailer
-
£2,509 GBP
HK$26,300 HKD
Retailer 2
-
£2,541 GBP
$3,410 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
£3,271 GBP
€4,180 EUR
View
Retailer 4
-
£3,895 GBP
ZAR 84,446 ZAR
View
Price last confirmed 41 days ago
Retailer 5
-
£4,862 GBP
$6,525 USD
View
Price last confirmed 39 days ago
Retailer 6
-
£8,386 GBP
A$17,314 AUD
View
Price last confirmed 121 days ago
B
Retailer 7
-
£10,591 GBP
$14,213 USD
View
B
Retailer 8
-
£10,660 GBP
$14,305 USD
View
Most Expensive
B
Brilliant Earth
18005485A · Nov 2
£11,267 GBP
$15,120 USD
View
8 more retailers have this diamond
Prices start from £2,509 GBPSave up to £8,759 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
15.05ct Radiant
£2,509 GBP