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Radiant|Lab Grown|IGI

1.05ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG639412406

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

Certificate IGI LG639412406

Diamond specifications and retailer prices

From £121 GBP
As of November 2, 2026
Save £657 GBP (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £798 GBP at Reve Diamonds · As of October 11, 2026
View at Reve Diamonds

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 LG639412406 or 639412406. Listed at 22 retailers as of October 30, 2026, with a 544% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.4°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639412406
Dimensions7.43 × 4.97 × 3.36 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.43 mm4.97 mm1.05 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639412406
Side View
Table 65.0%Crown 34.4°Girdle: MediumPavilion 34.6°Culet: NoneDepth 67.6%

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 2
Current: £265 GBP|Low: £121 GBP|High: £798 GBP|Avg: £349 GBP|+8.5%
Retailer 1
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Retailer 20
Reve Diamonds
November 3, 2026
Retailer 15£121 GBP
Retailer 4£136 GBP
Retailer 10£136 GBP
Retailer 13£144 GBP
Retailer 3£150 GBP
Retailer 14£179 GBP
Retailer 6£251 GBP
Retailer 17£259 GBP
Retailer 1£265 GBP
Retailer 8£271 GBP
Retailer 19£272 GBP
Retailer 11£285 GBP
Retailer 16£366 GBP
Retailer 2£385 GBP
Retailer 5£386 GBP
Retailer 18£482 GBP
Retailer 20£510 GBP
Retailer 7£522 GBP
Retailer 12£701 GBP
Retailer 9£778 GBP
Reve Diamonds£798 GBP

37 data points across 21 retailers

22 retailers£121 GBP to £778 GBP

A
Cheapest Retailer
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£121 GBP
A
Retailer 2
-
£136 GBP
View
Final sale: no returns
Retailer 3
-
£136 GBP
View
Price last confirmed 39 days ago
Retailer 4
-
£144 GBP
View
Price last confirmed 39 days ago
Retailer 5
-
£150 GBP
View
Price last confirmed 19 days ago
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Retailer 6
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£179 GBP
View
A
Retailer 7
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£251 GBP
View
A
Retailer 8
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£259 GBP
View
A
Retailer 9
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£265 GBP
View
A
Retailer 10
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£271 GBP
View
A
Retailer 11
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£272 GBP
View
Retailer 12
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£285 GBP
View
Price last confirmed 27 days ago
B+
Retailer 13
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£366 GBP
View
B+
Retailer 14
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£385 GBP
View
B+
Retailer 15
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£386 GBP
View
B+
Retailer 16
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£470 GBP
View
B+
Retailer 17
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£482 GBP
View
B
Retailer 18
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£510 GBP
View
B
Retailer 19
-
£522 GBP
View
B
Retailer 20
-
£701 GBP
View
B
Retailer 21
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£778 GBP
View
Most Expensive
Reve Diamonds
9524CC0E9 · Oct 11
£798 GBP
$1,077 USD
View
Price last confirmed 24 days ago
21 more retailers have this diamond
Prices start from £121 GBPSave up to £657 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
£121 GBP