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Radiant|Lab Grown|IGI

15.03ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG801621774

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

Certificate IGI LG801621774

Diamond specifications and retailer prices

From £2,728 GBP
HK$28,600 HKD
As of November 1, 2026
Save £7,965 GBP (74%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £11,252 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 15.03ct lab-grown radiant diamond

This 15.03ct 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 LG801621774 or 801621774. Listed at 8 retailers as of November 1, 2026, with a 292% 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

15.03
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle19.4°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801621774
Dimensions17.79 × 12.32 × 7.81 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.79 mm12.32 mm15.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801621774
Side View
Table 63.0%Crown 19.4°Girdle: MediumPavilion 34.4°Culet: NoneDepth 63.4%

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: £11,252 GBP|Low: £2,728 GBP|High: £11,603 GBP|Avg: £6,455 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6£2,728 GBP
Retailer 2£3,116 GBP
Retailer 5£3,370 GBP
Retailer 9£3,480 GBP
Retailer 3£3,740 GBP
Retailer 4£8,029 GBP
Retailer 8£8,488 GBP
Retailer 10£8,962 GBP
Retailer 7£10,693 GBP
Brilliant Earth£11,252 GBP

20 data points across 10 retailers

8 retailers£2,728 GBP to £10,693 GBP

A
Cheapest Retailer
-
£2,728 GBP
HK$28,600 HKD
A
Retailer 2
-
£3,116 GBP
$4,182 USD
View
A
Retailer 3
-
£3,370 GBP
$4,522 USD
View
A
Retailer 4
-
£3,740 GBP
€4,780 EUR
View
B
Retailer 5
-
£8,029 GBP
A$16,577 AUD
View
B
Retailer 6
-
£8,661 GBP
$11,622 USD
View
B
Retailer 7
-
£10,693 GBP
$14,349 USD
View
Most Expensive
Brilliant Earth
20118092A · Oct 16
£11,252 GBP
$15,100 USD
View
Price last confirmed 17 days ago
7 more retailers have this diamond
Prices start from £2,728 GBPSave up to £7,965 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
15.03ct Radiant
£2,728 GBP