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Radiant|Lab Grown|IGI

6.65ct F VS2 Radiant Lab Grown Diamond

VG • F/VS2 • IGI LG657419969

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

Certificate IGI LG657419969

Diamond specifications and retailer prices

From £872 GBP
$1,169 USD
As of October 30, 2026
Save £2,971 GBP (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,844 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 6.65ct lab-grown radiant diamond

This 6.65ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG657419969 or 657419969. Listed at 19 retailers as of October 30, 2026, with prices from £872 to £3,844, a £2,971 spread on the same certified stone. Rare Carat lists it at £3,844. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

6.65
Carat
F
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG657419969
Dimensions13.90 × 9.37 × 6.01 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.90 mm9.37 mm6.65 ctF / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG657419969
Side View
Table 65.0%Crown 42.1°Girdle: MediumPavilion 34.6°Culet: NoneDepth 64.1%

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 30
Current: £1,468 GBP|Low: £872 GBP|High: £3,455 GBP|Avg: £1,791 GBP|-2.1%
Retailer 1
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Retailer 3
Retailer 4
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
November 2, 2026
Retailer 10£872 GBP
Retailer 7£949 GBP
Retailer 2£1,012 GBP
Retailer 12£1,084 GBP
Retailer 3£1,142 GBP
Retailer 8£1,194 GBP
Retailer 5£1,322 GBP
Retailer 1£1,468 GBP
Retailer 17£1,607 GBP
Retailer 13£1,645 GBP
Retailer 4£1,897 GBP
Retailer 18£1,994 GBP
Retailer 6£2,169 GBP
Retailer 15£2,798 GBP
Retailer 16£2,857 GBP
Retailer 11£3,252 GBP
Retailer 14£3,324 GBP
Retailer 9£3,455 GBP

11 data points across 18 retailers

19 retailers£872 GBP to £3,844 GBP

A
Cheapest Retailer
-
£872 GBP
$1,169 USD
A
Retailer 2
-
£949 GBP
$1,272 USD
View
A
Retailer 3
-
£1,012 GBP
$1,356 USD
View
A
Retailer 4
-
£1,084 GBP
View
A
Retailer 5
-
£1,142 GBP
$1,530 USD
View
A
Retailer 6
-
£1,194 GBP
HK$12,500 HKD
View
B+
Retailer 7
-
£1,322 GBP
$1,772 USD
View
A
Retailer 8
-
£1,468 GBP
View
B+
Retailer 9
-
£1,607 GBP
$2,153 USD
View
B+
Retailer 10
-
£1,645 GBP
€2,099 EUR
View
B+
Retailer 11
-
£1,897 GBP
$2,542 USD
View
B+
Retailer 12
-
£1,994 GBP
$2,672 USD
View
B
Retailer 13
-
£2,169 GBP
$2,906 USD
View
B
Retailer 14
-
£2,798 GBP
View
B
Retailer 15
-
£2,857 GBP
$3,828 USD
View
B
Retailer 16
-
£3,252 GBP
View
B
Retailer 17
-
£3,324 GBP
A$6,853 AUD
View
B
Retailer 18
-
£3,455 GBP
SGD 6,256 SGD
View
Most Expensive
B
Rare Carat
KI9694199KF657 · Nov 1
£3,844 GBP
$5,150 USD
View
18 more retailers have this diamond
Prices start from £872 GBPSave up to £2,971 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
6.65ct Radiant
£872 GBP