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1.83ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG598333789

Shape and cutting style on the report: Round brilliant

Certificate IGI LG598333789

Diamond specifications and retailer prices

From $1,210 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $1,210 USD 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 1.83ct lab-grown round diamond

This 1.83ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG598333789 or 598333789. 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

1.83
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598333789
Dimensions7.91 × 7.89 × 4.75 mm
L/W Ratio1.00
Girdle conditionFaceted
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
7.91 mm7.89 mm1.83 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598333789
Side View
Table 59.0%Crown 33°Girdle: M-MPavilion 40.7°Culet: NoneDepth 60.2%

Caratlytics Score

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

Last verified: Oct 31
Current: $1,210 USD|Low: $1,210 USD|High: $1,210 USD|Avg: $1,210 USD
December 30, 2025
Brilliant Earth$1,210 USD

4 data points across 1 retailer

1 retailer

B+
Brilliant Earth
8076027B · Oct 31
$1,210 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+
1.83ct Round
$1,210 USD