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Radiant|Lab Grown|IGI

13.09ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG847646240

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

Certificate IGI LG847646240

Diamond specifications and retailer prices

From £3,503 GBP
€4,477 EUR
As of November 2, 2026
Save £14,985 GBP (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £18,488 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 13.09ct lab-grown radiant diamond

This 13.09ct 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 LG847646240 or 847646240. Listed at 10 retailers as of October 29, 2026, with prices from £3,503 to £18,488, a £14,985 spread on the same certified stone. Brilliant Earth lists it at £18,488. 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

13.09
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847646240
Dimensions17.03 × 12.27 × 7.37 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.03 mm12.27 mm13.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847646240
Side View
Table 73.0%Crown 36.8°Girdle: Slightly ThickPavilion 40.2°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £5,615 GBP|Low: £1,803 GBP|High: £8,213 GBP|Avg: £4,607 GBP|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 11£1,803 GBP
Retailer 10£2,353 GBP
Retailer 8£2,366 GBP
Retailer 2£3,080 GBP
Retailer 7£3,160 GBP
Retailer 4£3,503 GBP
Retailer 5£4,572 GBP
Retailer 1£5,615 GBP
Retailer 3£7,831 GBP
Retailer 6£8,114 GBP
Retailer 9£8,213 GBP

9 data points across 11 retailers

10 retailers£3,503 GBP to £18,488 GBP

Retailer 1
-
£2,366 GBP
$3,175 USD
Price last confirmed 10 days ago
Retailer 2
-
£3,080 GBP
View
Price last confirmed 12 days ago
Retailer 3
-
£3,160 GBP
$4,240 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
£3,503 GBP
€4,477 EUR
View
B+
Retailer 5
-
£4,572 GBP
$6,135 USD
View
B
Retailer 6
-
£5,615 GBP
$7,535 USD
View
Retailer 7
-
£7,831 GBP
$10,508 USD
View
Price last confirmed 12 days ago
B
Retailer 8
-
£8,114 GBP
$10,888 USD
View
Retailer 9
-
£8,213 GBP
$11,022 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
22220922A · Oct 29
£18,488 GBP
$24,810 USD
View
9 more retailers have this diamond
Prices start from £3,503 GBPSave up to £14,985 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.

B+
13.09ct Radiant
£3,503 GBP