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4.60ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG12639519

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12639519

Diamond specifications and retailer prices

From €2,793 EUR
$3,120 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: €2,793 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 4.6ct lab-grown round diamond

This 4.6ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12639519 or 12639519. 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

4.60
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12639519
Dimensions10.66 × 10.61 × 6.61 mm
L/W Ratio1.00
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
10.66 mm10.61 mm4.60 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12639519
Side View
Table 57.0%Crown 35.5°Girdle: TNT-MTSPavilion 40.7°Culet: NoneDepth 62.0%

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: €2,793 EUR|Low: €1,084 EUR|High: €3,831 EUR|Avg: €2,623 EUR|-25.2%
Brilliant Earth
Retailer 2
Retailer 3
June 19, 2026
Retailer 2€1,121 EUR
Brilliant Earth€2,793 EUR
Retailer 3€3,047 EUR

23 data points across 3 retailers

1 retailer

B
Brilliant Earth
4932617B · Oct 31
€2,793 EUR
$3,120 USD
View

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B
4.60ct Round
€2,793 EUR