CaratHunter
Plans
Radiant|Lab Grown|IGI

15.06ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG846636115

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

Certificate IGI LG846636115

Diamond specifications and retailer prices

From £1,700 GBP
As of November 2, 2026
Save £2,222 GBP (57%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £21,300 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 15.06ct lab-grown radiant diamond

This 15.06ct 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 LG846636115 or 846636115. Listed at 6 retailers as of November 1, 2026, with a 131% 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

15.06
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846636115
Dimensions17.51 × 12.27 × 8.06 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.51 mm12.27 mm15.06 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846636115
Side View
Table 77.0%Crown 40.1°Girdle: Slightly ThickPavilion 41.9°CuletDepth 65.7%

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 2
Current: £1,700 GBP|Low: £1,700 GBP|High: £3,929 GBP|Avg: £2,895 GBP|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 1£1,700 GBP
Retailer 3£2,780 GBP
Retailer 4£2,963 GBP
Retailer 5£3,300 GBP
Retailer 2£3,922 GBP

15 data points across 5 retailers

6 retailers£1,700 GBP to £3,922 GBP

A
Cheapest Retailer
-
£1,700 GBP
B+
Retailer 2
-
£2,780 GBP
$3,725 USD
View
A
Retailer 3
-
£2,963 GBP
$3,970 USD
View
B+
Retailer 4
-
£3,300 GBP
$4,422 USD
View
B+
Retailer 5
-
£3,922 GBP
A$8,084 AUD
View
Most Expensive
Brilliant Earth
22293820A · Oct 26
£21,300 GBP
$28,540 USD
View
Price under review
5 more retailers have this diamond
Prices start from £1,700 GBPSave up to £2,222 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
15.06ct Radiant
£1,700 GBP