Radiant|Lab Grown|IGI

1.05ct G SI1 Radiant Lab Grown Diamond

G/SI1 • IGI LG611354083

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

Certificate IGI LG611354083

Diamond specifications and retailer prices

From $421 USD
As of November 5, 2026
Save $65 USD (13%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $486 USD at MD Diamonds and Jewellers · As of November 5, 2026
View at MD Diamonds and Jewellers

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included) and certified by IGI LG611354083 or 611354083. Listed at 2 retailers as of November 5, 2026, with prices from $421 to $486, a $65 spread on the same certified stone. MD Diamonds and Jewellers lists it at $486. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.05
Carat
G
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG611354083
Dimensions7.26 × 4.93 × 3.36 mm
L/W Ratio1.47
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
7.26 mm4.93 mm1.05 ctG / SI1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG611354083
Side View
Table 67.0%Crown 44.1°Girdle: MediumPavilion 34.1°Culet: NoneDepth 68.2%

Caratlytics Score

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

Last verified: Nov 5
Current: $486 USD|Low: $486 USD|High: $486 USD|Avg: $486 USD
December 30, 2025
MD Diamonds and Jewellers$486 USD

3 data points across 1 retailer

2 retailers$421 USD to $486 USD

B+
Cheapest Retailer
-
$421 USD
Most Expensive
B
MD Diamonds and Jewellers
LG611354083 · Nov 5
$486 USD
£383 GBP
View
1 more retailer has this diamond
Prices start from $421 USDSave up to $65 USD

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+
1.05ct Radiant
$421 USD