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Round|Lab Grown|IGI

1.30ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG781609714

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781609714

Diamond specifications and retailer prices

From €564 EUR
$630 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: €564 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 LG781609714 or 781609714. 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 angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781609714
Dimensions7.04 × 7.09 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.04 mm7.09 mm1.30 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781609714
Side View
Table 59.0%Crown 33.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.1%

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: €564 EUR|Low: €212 EUR|High: €786 EUR|Avg: €467 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
April 29, 2026
Retailer 4€294 EUR
Retailer 6€305 EUR
Retailer 2€320 EUR
Retailer 3€438 EUR
Retailer 9€464 EUR
Retailer 8€492 EUR
Brilliant Earth€564 EUR
Retailer 7€605 EUR
Retailer 10€639 EUR
Retailer 5€786 EUR

22 data points across 10 retailers

1 retailer

B
Brilliant Earth
18294271A · Oct 31
€564 EUR
$630 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
€564 EUR