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Radiant|Lab Grown|IGI

1.05ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG811676081

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

Certificate IGI LG811676081

Diamond specifications and retailer prices

From £116 GBP
As of November 4, 2026
Save £557 GBP (83%) vs most expensive(unlock to see where)
20 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 LG811676081 or 811676081. Listed at 20 retailers as of November 4, 2026, with a 479% 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 angle42.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811676081
Dimensions7.09 × 5.03 × 3.42 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.09 mm5.03 mm1.05 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811676081
Side View
Table 66.0%Crown 42.5°Girdle: MediumPavilion 35.4°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
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 4
Current: £144 GBP|Low: £116 GBP|High: £798 GBP|Avg: £335 GBP|-1.0%
Retailer 1
Retailer 2
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Retailer 11
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Retailer 18
Reve Diamonds
November 5, 2026
Retailer 14£116 GBP
Retailer 2£135 GBP
Retailer 10£135 GBP
Retailer 1£144 GBP
Retailer 6£150 GBP
Retailer 13£172 GBP
Retailer 11£250 GBP
Retailer 9£251 GBP
Retailer 4£259 GBP
Retailer 18£263 GBP
Retailer 5£272 GBP
Retailer 3£366 GBP
Retailer 7£385 GBP
Retailer 8£386 GBP
Retailer 15£464 GBP
Retailer 17£490 GBP
Retailer 16£504 GBP
Retailer 12£673 GBP
Reve Diamonds£798 GBP

30 data points across 19 retailers

20 retailers£116 GBP to £673 GBP

A
Cheapest Retailer
-
£116 GBP
A
Retailer 2
-
£135 GBP
View
A
Retailer 3
-
£144 GBP
View
Retailer 4
-
£150 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£172 GBP
View
A
Retailer 6
-
£250 GBP
View
A
Retailer 7
-
£251 GBP
View
A
Retailer 8
-
£259 GBP
View
A
Retailer 9
-
£263 GBP
View
A
Retailer 10
-
£272 GBP
View
Retailer 11
-
£285 GBP
View
Price last confirmed 27 days ago
B+
Retailer 12
-
£366 GBP
View
B+
Retailer 13
-
£385 GBP
View
B+
Retailer 14
-
£386 GBP
View
B+
Retailer 15
-
£464 GBP
View
B
Retailer 16
-
£490 GBP
View
B+
Retailer 17
-
£504 GBP
View
B
Retailer 18
-
£673 GBP
View
Retailer 19
-
£778 GBP
View
Price last confirmed 15 days ago
Most Expensive
Reve Diamonds
54A298455 · Oct 11
£798 GBP
$1,077 USD
View
Price last confirmed 25 days ago
19 more retailers have this diamond
Prices start from £116 GBPSave up to £557 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
£116 GBP