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Radiant|Lab Grown|IGI

1.29ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG619423483

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

Certificate IGI LG619423483

Diamond specifications and retailer prices

From £544 GBP
As of October 30, 2026
Save £21 GBP (4%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,152 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 top-tier cut grade and certified by IGI LG619423483 or 619423483. Listed at 11 retailers as of October 29, 2026, with a relatively tight 4% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619423483
Dimensions7.69 × 5.37 × 3.65 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
7.69 mm5.37 mm1.29 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619423483
Side View
Table 65.0%Crown 44.5°Girdle: MediumPavilion 35.5°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: £1,152 GBP|Low: £117 GBP|High: £1,174 GBP|Avg: £476 GBP|-1.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 9£120 GBP
Retailer 4£137 GBP
Retailer 7£139 GBP
Retailer 2£201 GBP
Retailer 12£269 GBP
Retailer 5£400 GBP
Retailer 8£504 GBP
Retailer 10£528 GBP
Retailer 3£544 GBP
Retailer 11£565 GBP
Retailer 6£768 GBP
Do Amore Diamonds£1,152 GBP

26 data points across 12 retailers

11 retailers£544 GBP to £565 GBP

Retailer 1
-
£120 GBP
Price last confirmed 9 days ago
Retailer 2
-
£139 GBP
View
Price last confirmed 8 days ago
Retailer 3
-
£201 GBP
View
Price last confirmed 7 days ago
Retailer 4
-
£269 GBP
View
Price last confirmed 8 days ago
Retailer 5
-
£400 GBP
View
Price last confirmed 10 days ago
Retailer 6
-
£504 GBP
View
Price last confirmed 10 days ago
Retailer 7
-
£528 GBP
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£544 GBP
View
B+
Retailer 9
-
£565 GBP
View
Retailer 10
-
£768 GBP
View
Price last confirmed 10 days ago
Most Expensive
Do Amore Diamonds
27-B451E75C9 · Oct 29
£1,152 GBP
$1,550 USD
View
Price last confirmed 7 days ago
10 more retailers have this diamond
Prices start from £544 GBPSave up to £21 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
£544 GBP