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Radiant|Lab Grown|IGI

6.00ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG762567243

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

Certificate IGI LG762567243

Diamond specifications and retailer prices

From £628 GBP
$843 USD
As of November 1, 2026
Save £6,026 GBP (91%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £6,655 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 6ct lab-grown radiant diamond

This 6ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG762567243 or 762567243. Listed at 18 retailers as of November 1, 2026, with prices from £628 to £6,655, a £6,026 spread on the same certified stone. Brilliant Earth lists it at £6,655. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

6.00
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle28.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762567243
Dimensions12.97 × 9.23 × 5.63 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.97 mm9.23 mm6.00 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762567243
Side View
Table 58.0%Crown 39.7°Girdle: MediumPavilion 28.9°Culet: NoneDepth 61.0%

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: Nov 1
Current: £6,655 GBP|Low: £628 GBP|High: £6,655 GBP|Avg: £1,847 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 3£628 GBP
Retailer 6£708 GBP
Retailer 12£782 GBP
Retailer 11£931 GBP
Retailer 5£961 GBP
Retailer 7£996 GBP
Retailer 9£1,138 GBP
Retailer 2£1,424 GBP
Retailer 13£2,101 GBP
Retailer 4£2,189 GBP
Retailer 8£2,554 GBP
Retailer 10£2,604 GBP
Brilliant Earth£6,655 GBP

40 data points across 13 retailers

18 retailers£628 GBP to £6,655 GBP

Retailer 1
-
£610 GBP
$819 USD
Price last confirmed 36 days ago
A
Retailer 2
-
£628 GBP
$843 USD
View
Final sale: no returns
Retailer 3
-
£642 GBP
$861 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
£708 GBP
View
A
Retailer 5
-
£754 GBP
HK$7,900 HKD
View
A
Retailer 6
-
£782 GBP
$1,050 USD
View
B+
Retailer 7
-
£931 GBP
$1,250 USD
View
A
Retailer 8
-
£961 GBP
$1,290 USD
View
A
Retailer 9
-
£996 GBP
View
B+
Retailer 10
-
£1,138 GBP
€1,455 EUR
View
B+
Retailer 11
-
£1,424 GBP
$1,911 USD
View
B
Retailer 12
-
£1,909 GBP
$2,562 USD
View
B
Retailer 13
-
£2,101 GBP
$2,819 USD
View
B
Retailer 14
-
£2,189 GBP
SGD 3,969 SGD
View
B
Retailer 15
-
£2,244 GBP
$3,012 USD
View
B
Retailer 16
-
£2,554 GBP
View
B
Retailer 17
-
£2,604 GBP
$3,495 USD
View
Most Expensive
B
Brilliant Earth
17703124A · Nov 2
£6,655 GBP
$8,930 USD
View
17 more retailers have this diamond
Prices start from £628 GBPSave up to £6,026 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
6.00ct Radiant
£628 GBP