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Round|Lab Grown|IGI

1.30ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG784688452

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784688452

Diamond specifications and retailer prices

From €573 EUR
$640 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: €573 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 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG784688452 or 784688452. 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

1.30
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784688452
Dimensions7.05 × 7.02 × 4.26 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.05 mm7.02 mm1.30 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784688452
Side View
Table 59.0%Crown 33.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.5%

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: €573 EUR|Low: €127 EUR|High: €681 EUR|Avg: €500 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
September 2, 2026
Retailer 2€347 EUR
Retailer 5€448 EUR
Retailer 4€462 EUR
Retailer 3€510 EUR
Brilliant Earth€573 EUR
Retailer 7€610 EUR
Retailer 6€681 EUR

30 data points across 7 retailers

1 retailer

B
Brilliant Earth
18563875A · Oct 31
€573 EUR
$640 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
1.30ct Round
€573 EUR