Radiant|Lab Grown|IGI

3.03ct G SI1 Radiant Lab Grown Diamond

EX • G/SI1 • IGI LG639458326

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

Certificate IGI LG639458326

Diamond specifications and retailer prices

From $1,055 USD
£831 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: $1,055 USD 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 3.03ct lab-grown radiant diamond

This 3.03ct lab-grown radiant 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 LG639458326 or 639458326. 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

3.03
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639458326
Dimensions10.20 × 7.11 × 4.68 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.20 mm7.11 mm3.03 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639458326
Side View
Table 65.0%Crown 41°Girdle: MED-STKPavilion 33.7°CuletDepth 65.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $1,055 USD|Low: $1,055 USD|High: $1,055 USD|Avg: $1,055 USD
September 26, 2026
Diamond Quarter$1,055 USD

1 data point across 1 retailer

1 retailer

B+
Diamond Quarter
3.03SI1GLG265344N · Oct 31
$1,055 USD
£831 GBP
View

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B+
3.03ct Radiant
$1,055 USD