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Radiant|Lab Grown|IGI

1.29ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG669456663

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

Certificate IGI LG669456663

Diamond specifications and retailer prices

From £354 GBP
As of November 4, 2026
Save £85 GBP (19%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £439 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.29ct lab-grown radiant diamond

This 1.29ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG669456663 or 669456663. Listed at 2 retailers as of November 4, 2026, with prices from £354 to £439, a £85 spread on the same certified stone. Diamond Quarter lists it at £439. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669456663
Dimensions7.78 × 5.46 × 3.60 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm5.46 mm1.29 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669456663
Side View
Table 61.0%Crown 40°Girdle: MediumPavilion 35.4°Culet: NoneDepth 65.9%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: £354 GBP|Low: £252 GBP|High: £925 GBP|Avg: £557 GBP|-10.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
September 23, 2026
Retailer 2£252 GBP
Retailer 1£354 GBP
Retailer 6£437 GBP
Retailer 4£498 GBP
Retailer 5£681 GBP
Retailer 3£903 GBP

25 data points across 6 retailers

2 retailers£354 GBP to £439 GBP

B+
Cheapest Retailer
-
£354 GBP
Most Expensive
B
Diamond Quarter
1.29VS2FLG63D8F2N · Nov 5
£439 GBP
View
1 more retailer has this diamond
Prices start from £354 GBPSave up to £85 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.

B+
1.29ct Radiant
£354 GBP