Radiant|Lab Grown|IGI

1.03ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG811682609

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

Certificate IGI LG811682609

Diamond specifications and retailer prices

From £115 GBP
As of November 4, 2026
Save £382 GBP (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £791 GBP at Reve Diamonds · As of October 11, 2026
View at Reve Diamonds

About this 1.03ct lab-grown radiant diamond

This 1.03ct 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 LG811682609 or 811682609. Listed at 20 retailers as of November 4, 2026, with a 333% 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

1.03
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811682609
Dimensions7.31 × 4.96 × 3.30 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.31 mm4.96 mm1.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811682609
Side View
Table 67.0%Crown 43.3°Girdle: MediumPavilion 35°Culet: NoneDepth 66.5%

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: £246 GBP|Low: £115 GBP|High: £791 GBP|Avg: £356 GBP|+0.6%
Retailer 1
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Retailer 19
Reve Diamonds
November 5, 2026
Retailer 13£115 GBP
Retailer 10£133 GBP
Retailer 18£133 GBP
Retailer 4£147 GBP
Retailer 5£147 GBP
Retailer 12£170 GBP
Retailer 9£244 GBP
Retailer 1£246 GBP
Retailer 2£255 GBP
Retailer 17£260 GBP
Retailer 3£268 GBP
Retailer 19£360 GBP
Retailer 6£378 GBP
Retailer 8£383 GBP
Retailer 14£457 GBP
Retailer 16£482 GBP
Retailer 15£497 GBP
Retailer 7£694 GBP
Retailer 11£763 GBP
Reve Diamonds£791 GBP

32 data points across 20 retailers

20 retailers£115 GBP to £497 GBP

A
Cheapest Retailer
-
£115 GBP
A
Retailer 2
-
£133 GBP
View
Retailer 3
-
£147 GBP
View
Price last confirmed 11 days ago
A
Retailer 4
-
£147 GBP
View
A
Retailer 5
-
£170 GBP
View
A
Retailer 6
-
£244 GBP
View
A
Retailer 7
-
£246 GBP
View
A
Retailer 8
-
£255 GBP
View
A
Retailer 9
-
£260 GBP
View
A
Retailer 10
-
£268 GBP
View
Retailer 11
-
£281 GBP
View
Price last confirmed 27 days ago
B+
Retailer 12
-
£360 GBP
View
B+
Retailer 13
-
£378 GBP
View
B+
Retailer 14
-
£383 GBP
View
B+
Retailer 15
-
£457 GBP
View
B
Retailer 16
-
£482 GBP
View
B+
Retailer 17
-
£497 GBP
View
Retailer 18
-
£694 GBP
View
Price last confirmed 7 days ago
Retailer 19
-
£763 GBP
View
Price last confirmed 21 days ago
Most Expensive
Reve Diamonds
D27062887 · Oct 11
£791 GBP
$1,068 USD
View
Price last confirmed 24 days ago
19 more retailers have this diamond
Prices start from £115 GBPSave up to £382 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
1.03ct Radiant
£115 GBP