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Radiant|Lab Grown|IGI

1.29ct G VS1 Radiant Lab Grown Diamond

VG • G/VS1 • IGI LG607379950

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

Certificate IGI LG607379950

Diamond specifications and retailer prices

From £269 GBP
As of November 5, 2026
Save £445 GBP (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £714 GBP at MOH London · As of November 4, 2026
View at MOH London

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 very-good cut grade and certified by IGI LG607379950 or 607379950. Listed at 7 retailers as of November 4, 2026, with prices from £269 to £714, a £445 spread on the same certified stone. MOH London lists it at £714. 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
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607379950
Dimensions7.37 × 5.23 × 4.11 mm
L/W Ratio1.41
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
7.37 mm5.23 mm1.29 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607379950
Side View
Table 61.0%Crown 42.2°Girdle: MediumPavilion 38.8°Culet: NoneDepth 78.6%

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 5
Current: £714 GBP|Low: £260 GBP|High: £725 GBP|Avg: £418 GBP|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 2£269 GBP
Retailer 5£276 GBP
Retailer 6£341 GBP
Retailer 3£356 GBP
Retailer 4£461 GBP
Retailer 7£533 GBP
MOH London£714 GBP

32 data points across 7 retailers

7 retailers£269 GBP to £714 GBP

A
Cheapest Retailer
-
£269 GBP
B+
Retailer 2
-
£276 GBP
View
B+
Retailer 3
-
£341 GBP
View
B+
Retailer 4
-
£356 GBP
View
Retailer 5
-
£461 GBP
View
Price last confirmed 15 days ago
B
Retailer 6
-
£533 GBP
View
Most Expensive
B
MOH London
LG607379950 · Nov 4
£714 GBP
View
6 more retailers have this diamond
Prices start from £269 GBPSave up to £445 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
1.29ct Radiant
£269 GBP