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Radiant|Lab Grown|IGI

1.05ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG608366323

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

Certificate IGI LG608366323

Diamond specifications and retailer prices

From £259 GBP
As of November 4, 2026
Save £1,120 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,378 GBP at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG608366323 or 608366323. Listed at 20 retailers as of November 2, 2026, with prices from £259 to £1,378, a £1,120 spread on the same certified stone. Diamond Quarter lists it at £1,378. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle27.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608366323
Dimensions7.46 × 4.91 × 3.15 mm
L/W Ratio1.52
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.46 mm4.91 mm1.05 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608366323
Side View
Table 63.0%Crown 42.8°Girdle: Slightly ThickPavilion 27.9°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,377 GBP|Low: £259 GBP|High: £2,289 GBP|Avg: £709 GBP|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 5£259 GBP
Retailer 10£288 GBP
Retailer 18£299 GBP
Retailer 2£320 GBP
Retailer 4£320 GBP
Retailer 16£381 GBP
Retailer 13£421 GBP
Retailer 14£433 GBP
Retailer 8£496 GBP
Retailer 3£515 GBP
Retailer 15£609 GBP
Retailer 11£633 GBP
Retailer 12£862 GBP
Retailer 17£939 GBP
Retailer 7£1,136 GBP
Retailer 9£1,230 GBP
Retailer 1£1,377 GBP
Retailer 6£2,289 GBP

31 data points across 18 retailers

20 retailers£259 GBP to £1,378 GBP

A
Cheapest Retailer
-
£259 GBP
A
Retailer 2
-
£288 GBP
View
Final sale: no returns
A
Retailer 3
-
£299 GBP
View
B+
Retailer 4
-
£320 GBP
View
Retailer 5
-
£320 GBP
View
Price last confirmed 11 days ago
B+
Retailer 6
-
£381 GBP
View
B+
Retailer 7
-
£421 GBP
View
B+
Retailer 8
-
£433 GBP
View
B+
Retailer 9
-
£496 GBP
View
B
Retailer 10
-
£515 GBP
View
B
Retailer 11
-
£609 GBP
View
B
Retailer 12
-
£633 GBP
View
B
Retailer 13
-
£862 GBP
View
B
Retailer 14
-
£939 GBP
View
B
Retailer 15
-
£1,136 GBP
View
B
Retailer 16
-
£1,230 GBP
View
B
Retailer 17
-
£1,250 GBP
View
B
Retailer 18
-
£1,377 GBP
View
Most Expensive
B
Diamond Quarter
1.05VS1FLG2352C8N · Nov 2
£1,378 GBP
View
18 more retailers have this diamond
Prices start from £259 GBPSave up to £1,120 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
1.05ct Radiant
£259 GBP