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Radiant|Lab Grown|IGI

1.00ct I SI1 Radiant Lab Grown Diamond

ID • I/SI1 • IGI LG414059853

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

Certificate IGI LG414059853

Diamond specifications and retailer prices

From €537 EUR
$600 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: €537 EUR at Brilliant Earth
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 Brilliant Earth

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG414059853 or 414059853. 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. 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

1.00
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle48.3°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG414059853
Dimensions5.57 × 5.30 × 3.58 mm
L/W Ratio1.05
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
5.57 mm5.30 mm1.00 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG414059853
Side View
Table 66.5%Crown 48.3°Girdle: ThickPavilion 31.1°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €537 EUR|Low: €537 EUR|High: €653 EUR|Avg: €595 EUR|-17.8%
October 30, 2026
Brilliant Earth€537 EUR

2 data points across 1 retailer

1 retailer

B+
Brilliant Earth
19766732A · Oct 31
€537 EUR
$600 USD
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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+
1.00ct Radiant
€537 EUR