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Radiant|Lab Grown|IGI

1.23ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG649409125

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

Certificate IGI LG649409125

Diamond specifications and retailer prices

From £486 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: £486 GBP at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG649409125 or 649409125. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.4°
Pavilion angle31°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649409125
Dimensions7.48 × 5.20 × 3.47 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.48 mm5.20 mm1.23 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649409125
Side View
Table 65.0%Crown 47.4°Girdle: MED-STKPavilion 31°Culet: NoneDepth 66.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: £470 GBP|Low: £138 GBP|High: £999 GBP|Avg: £507 GBP|-16.3%
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May 10, 2026
Retailer 7£236 GBP
Retailer 9£238 GBP
Retailer 5£265 GBP
Retailer 10£359 GBP
Retailer 11£379 GBP
Retailer 12£419 GBP
Retailer 1£470 GBP
Retailer 8£485 GBP
Retailer 2£521 GBP
Retailer 3£784 GBP
Retailer 4£817 GBP
Retailer 6£909 GBP

57 data points across 12 retailers

1 retailer

B
Diamond Quarter
1.23VS2GLG25F0A1N · Nov 2
£486 GBP
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B
1.23ct Radiant
£486 GBP