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4.05ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG598328448

Shape and cutting style on the report: Round brilliant

Certificate IGI LG598328448

Diamond specifications and retailer prices

From €1,593 EUR
$1,780 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: €1,593 EUR at B2C Jewels
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 B2C Jewels

About this 4.05ct lab-grown round diamond

This 4.05ct 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 LG598328448 or 598328448. Listed at a single retailer as of November 1, 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

4.05
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598328448
Dimensions10.07 × 10.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
10.07 mm10.03 mm4.05 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598328448
Side View
Table 56.0%Crown 36.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: €1,593 EUR|Low: €1,527 EUR|High: €1,954 EUR|Avg: €1,691 EUR|-18.5%
September 23, 2026
B2C Jewels€1,593 EUR

3 data points across 1 retailer

1 retailer

B
B2C Jewels
21926269 · Nov 1
€1,593 EUR
$1,780 USD
View

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B
4.05ct Round
€1,593 EUR