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Radiant|Lab Grown|IGI

1.39ct H VVS2 Radiant Lab Grown Diamond

ID • H/VVS2 • IGI LG631454530

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

Certificate IGI LG631454530

Diamond specifications and retailer prices

From £378 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: £378 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 1.39ct lab-grown radiant diamond

This 1.39ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG631454530 or 631454530. Listed at a single retailer as of October 31, 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

1.39
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631454530
Dimensions7.92 × 5.53 × 3.70 mm
L/W Ratio1.43
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
7.92 mm5.53 mm1.39 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631454530
Side View
Table 62.0%Crown 43.3°Girdle: MediumPavilion 35.6°Culet: NoneDepth 66.9%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: £138 GBP|Low: £106 GBP|High: £1,133 GBP|Avg: £499 GBP|-4.6%
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March 16, 2026
Retailer 1£138 GBP
Retailer 8£236 GBP
Retailer 9£257 GBP
Retailer 4£301 GBP
Retailer 3£404 GBP
Retailer 5£411 GBP
Retailer 11£437 GBP
Retailer 2£506 GBP
Retailer 10£516 GBP
Retailer 13£624 GBP
Retailer 6£689 GBP
Retailer 7£806 GBP
Retailer 12£1,081 GBP

45 data points across 13 retailers

1 retailer

B+
Diamond Quarter
1.39VVS2HLG30AC22N · Oct 31
£378 GBP
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B+
1.39ct Radiant
£378 GBP