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Round|Lab Grown|IGI

0.90ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG528242321

Shape and cutting style on the report: Round brilliant

Certificate IGI LG528242321

Diamond specifications and retailer prices

From €524 EUR
£461 GBP
As of October 31, 2026
2 retailers carry this diamond
Only listing: €524 EUR 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 0.9ct lab-grown round diamond

This 0.9ct lab-grown round sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG528242321 or 528242321. Listed at 2 retailers as of October 31, 2026. 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

0.90
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528242321
Dimensions6.25 × 6.21 × 3.80 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.25 mm6.21 mm0.90 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528242321
Side View
Table 57.0%Crown 34.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €524 EUR|Low: €160 EUR|High: €6,013 EUR|Avg: €780 EUR
Diamond Quarter
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
March 29, 2026
Retailer 9€160 EUR
Retailer 7€218 EUR
Retailer 2€258 EUR
Retailer 10€314 EUR
Retailer 5€358 EUR
Retailer 4€387 EUR
Retailer 6€396 EUR
Retailer 3€448 EUR
Diamond Quarter€524 EUR
Retailer 8€6,013 EUR

45 data points across 10 retailers

2 retailers

B
Diamond Quarter
0.9SI1ELG55E65FN · Oct 31
€524 EUR
£461 GBP
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B
0.90ct Round
€524 EUR