Radiant|Lab Grown|IGI

1.05ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG634438413

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

Certificate IGI LG634438413

Diamond specifications and retailer prices

From £180 GBP
As of October 30, 2026
Save £598 GBP (77%) vs most expensive(unlock to see where)
19 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 LG634438413 or 634438413. Listed at 19 retailers as of October 30, 2026, with a 332% 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 angle32.4°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634438413
Dimensions7.47 × 5.00 × 3.35 mm
L/W Ratio1.49
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
7.47 mm5.00 mm1.05 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634438413
Side View
Table 65.0%Crown 32.4°Girdle: MediumPavilion 35°Culet: NoneDepth 67.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £180 GBP|Low: £130 GBP|High: £798 GBP|Avg: £350 GBP|+2.5%
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
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Retailer 18
Reve Diamonds
October 30, 2026
Retailer 5£135 GBP
Retailer 8£136 GBP
Retailer 10£144 GBP
Retailer 18£150 GBP
Retailer 1£180 GBP
Retailer 3£251 GBP
Retailer 13£257 GBP
Retailer 11£264 GBP
Retailer 6£271 GBP
Retailer 9£285 GBP
Retailer 17£286 GBP
Retailer 14£365 GBP
Retailer 16£385 GBP
Retailer 2£386 GBP
Retailer 15£510 GBP
Retailer 4£522 GBP
Retailer 12£705 GBP
Retailer 7£778 GBP
Reve Diamonds£798 GBP

33 data points across 19 retailers

19 retailers£180 GBP to £778 GBP

Retailer 1
-
£136 GBP
Price last confirmed 39 days ago
Retailer 2
-
£144 GBP
View
Price last confirmed 39 days ago
Retailer 3
-
£150 GBP
View
Price last confirmed 19 days ago
A
Retailer 4
-
£180 GBP
View
A
Retailer 5
-
£251 GBP
View
Retailer 6
-
£257 GBP
View
Price last confirmed 9 days ago
A
Retailer 7
-
£264 GBP
View
Retailer 8
-
£271 GBP
View
Price last confirmed 8 days ago
Retailer 9
-
£285 GBP
View
Price last confirmed 27 days ago
Retailer 10
-
£286 GBP
View
Price last confirmed 13 days ago
Retailer 11
-
£365 GBP
View
Price last confirmed 10 days ago
Retailer 12
-
£385 GBP
View
Price last confirmed 15 days ago
Retailer 13
-
£386 GBP
View
Price last confirmed 7 days ago
B+
Retailer 14
-
£470 GBP
View
Retailer 15
-
£510 GBP
View
Price last confirmed 10 days ago
B
Retailer 16
-
£522 GBP
View
Retailer 17
-
£705 GBP
View
Price last confirmed 7 days ago
B
Retailer 18
-
£778 GBP
View
Most Expensive
Reve Diamonds
B191DCB5E · Oct 11
£798 GBP
$1,077 USD
View
Price last confirmed 25 days ago
18 more retailers have this diamond
Prices start from £180 GBPSave up to £598 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
£180 GBP