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1.11ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG591374005

Shape and cutting style on the report: Round brilliant

Certificate IGI LG591374005

Diamond specifications and retailer prices

From $540 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $540 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 1.11ct lab-grown round diamond

This 1.11ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG591374005 or 591374005. Listed at a single retailer as of November 2, 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

1.11
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591374005
Dimensions6.76 × 6.74 × 3.95 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
6.76 mm6.74 mm1.11 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591374005
Side View
Table 62.0%Crown 33.3°Girdle: MediumPavilion 40.2°Culet: NoneDepth 58.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $540 USD|Low: $120 USD|High: $880 USD|Avg: $424 USD|-6.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
June 18, 2026
Retailer 2$319 USD
Retailer 7$321 USD
Retailer 4$422 USD
Retailer 5$431 USD
Retailer 3$483 USD
Retailer 8$494 USD
Retailer 6$507 USD
Brilliant Earth$540 USD

70 data points across 8 retailers

1 retailer

B
Brilliant Earth
7767500A · Nov 2
$540 USD
View

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
1.11ct Round
$540 USD