Radiant|Lab Grown|IGI

6.54ct F VS2 Radiant Lab Grown Diamond

EX • F/VS2 • IGI LG839611720

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

Certificate IGI LG839611720

Diamond specifications and retailer prices

From £871 GBP
As of October 27, 2026
Save £2,936 GBP (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,064 GBP at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 6.54ct lab-grown radiant diamond

This 6.54ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839611720 or 839611720. Listed at 20 retailers as of October 27, 2026, with a 337% 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

6.54
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle30.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839611720
Dimensions13.68 × 9.09 × 5.91 mm
L/W Ratio1.50
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.68 mm9.09 mm6.54 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839611720
Side View
Table 62.0%Crown 42.5°Girdle: MED-STKPavilion 30.7°Culet: NoneDepth 65.0%

Caratlytics Score

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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: Oct 27
Current: £4,064 GBP|Low: £699 GBP|High: £8,458 GBP|Avg: £2,808 GBP|-0.5%
Rare Carat
Retailer 2
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Retailer 11
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Retailer 21
October 31, 2026
Retailer 9£699 GBP
Retailer 6£761 GBP
Retailer 10£781 GBP
Retailer 21£811 GBP
Retailer 19£871 GBP
Retailer 2£917 GBP
Retailer 18£940 GBP
Retailer 5£1,117 GBP
Retailer 13£1,204 GBP
Retailer 20£1,241 GBP
Retailer 11£1,298 GBP
Retailer 17£1,649 GBP
Retailer 8£2,241 GBP
Retailer 3£2,279 GBP
Retailer 14£2,346 GBP
Retailer 7£2,535 GBP
Retailer 16£2,665 GBP
Retailer 4£2,753 GBP
Retailer 12£3,751 GBP
Retailer 15£3,806 GBP
Rare Carat£4,064 GBP

28 data points across 21 retailers

20 retailers£871 GBP to £3,806 GBP

Retailer 1
-
£699 GBP
$936 USD
Price last confirmed 9 days ago
Retailer 2
-
£761 GBP
$1,019 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£811 GBP
$1,086 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£871 GBP
View
A
Retailer 5
-
£917 GBP
HK$9,600 HKD
View
Retailer 6
-
£940 GBP
$1,260 USD
View
Price last confirmed 5 days ago
A
Retailer 7
-
£1,117 GBP
$1,496 USD
View
A
Retailer 8
-
£1,204 GBP
€1,537 EUR
View
A
Retailer 9
-
£1,241 GBP
View
B+
Retailer 10
-
£1,298 GBP
$1,739 USD
View
B+
Retailer 11
-
£1,649 GBP
$2,210 USD
View
Retailer 12
-
£2,241 GBP
View
Price last confirmed 7 days ago
Retailer 13
-
£2,279 GBP
$3,053 USD
View
Price last confirmed 7 days ago
Retailer 14
-
£2,346 GBP
$3,144 USD
View
Price last confirmed 7 days ago
Retailer 15
-
£2,535 GBP
$3,397 USD
View
Price last confirmed 7 days ago
B
Retailer 16
-
£2,665 GBP
SGD 4,826 SGD
View
B
Retailer 17
-
£2,753 GBP
View
Retailer 18
-
£3,751 GBP
A$7,733 AUD
View
Price last confirmed 24 days ago
B
Retailer 19
-
£3,806 GBP
$5,100 USD
View
Most Expensive
Rare Carat
175161-BB · Oct 19
£4,064 GBP
$5,445 USD
View
Price last confirmed 14 days ago
19 more retailers have this diamond
Prices start from £871 GBPSave up to £2,936 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
6.54ct Radiant
£871 GBP