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Radiant|Lab Grown|IGI

1.01ct E SI2 Radiant Lab Grown Diamond

ID • E/SI2 • IGI LG608366919

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

Certificate IGI LG608366919

Diamond specifications and retailer prices

From £347 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: £347 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 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG608366919 or 608366919. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.3°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608366919
Dimensions6.82 × 4.90 × 3.42 mm
L/W Ratio1.39
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
6.82 mm4.90 mm1.01 ctE / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG608366919
Side View
Table 68.0%Crown 37.3°Girdle: Slightly ThickPavilion 32.5°Culet: NoneDepth 69.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: £467 GBP|Low: £219 GBP|High: £668 GBP|Avg: £422 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
February 19, 2026
Retailer 2£219 GBP
Retailer 4£354 GBP
Retailer 1£467 GBP
Retailer 3£668 GBP

21 data points across 4 retailers

1 retailer

B
Diamond Quarter
1.01SI2ELG194BA6N · Oct 29
£347 GBP
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B
1.01ct Radiant
£347 GBP