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Radiant|Lab Grown|IGI

1.29ct G VS1 Radiant Lab Grown Diamond

GD • G/VS1 • IGI LG619455067

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

Certificate IGI LG619455067

Diamond specifications and retailer prices

From £487 GBP
As of November 5, 2026
2 retailers carry this diamond
Most expensive: £936 GBP at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG619455067 or 619455067. Listed at 2 retailers as of November 5, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.29
Carat
G
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619455067
Dimensions7.72 × 5.39 × 3.62 mm
L/W Ratio1.43
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
7.72 mm5.39 mm1.29 ctG / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619455067
Side View
Table 64.0%Crown 44.9°Girdle: MediumPavilion 35.2°Culet: NoneDepth 67.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £936 GBP|Low: £99 GBP|High: £936 GBP|Avg: £433 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
September 26, 2026
Retailer 4£235 GBP
Retailer 2£261 GBP
Retailer 5£273 GBP
Retailer 3£356 GBP
Retailer 9£415 GBP
Retailer 7£441 GBP
Retailer 6£460 GBP
Retailer 8£533 GBP
Retailer 10£804 GBP
Brilliant Earth£936 GBP

73 data points across 10 retailers

2 retailers

B+
Cheapest Retailer
-
£487 GBP
Most Expensive
Brilliant Earth
9119360A · Sep 28
£936 GBP
$1,260 USD
View
Price last confirmed 37 days ago
1 more retailer has this diamond
Prices start from £487 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
£487 GBP