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Radiant|Lab Grown|IGI

15.10ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG846689200

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

Certificate IGI LG846689200

Diamond specifications and retailer prices

From £2,525 GBP
$3,388 USD
As of November 1, 2026
Save £8,869 GBP (78%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £11,394 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 15.1ct lab-grown radiant diamond

This 15.1ct 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 LG846689200 or 846689200. Listed at 3 retailers as of November 1, 2026, with prices from £2,525 to £11,394, a £8,869 spread on the same certified stone. Brilliant Earth lists it at £11,394. 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

15.10
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.6°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846689200
Dimensions17.48 × 12.20 × 8.08 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.48 mm12.20 mm15.10 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846689200
Side View
Table 66.0%Crown 46.6°Girdle: MediumPavilion 34.3°Culet: NoneDepth 66.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £11,394 GBP|Low: £2,525 GBP|High: £13,361 GBP|Avg: £6,855 GBP|-14.7%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3£2,525 GBP
Retailer 2£3,474 GBP
Brilliant Earth£11,394 GBP

14 data points across 3 retailers

3 retailers£2,525 GBP to £11,394 GBP

A
Cheapest Retailer
-
£2,525 GBP
$3,388 USD
Final sale: no returns
A
Retailer 2
-
£3,474 GBP
View
Most Expensive
B
Brilliant Earth
22194506A · Nov 2
£11,394 GBP
$15,290 USD
View
2 more retailers have this diamond
Prices start from £2,525 GBPSave up to £8,869 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
15.10ct Radiant
£2,525 GBP