Radiant|Lab Grown|IGI

1.01ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG612342569

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

Certificate IGI LG612342569

Diamond specifications and retailer prices

From $431 USD
As of November 5, 2026
Save $77 USD (15%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $508 USD at MD Diamonds and Jewellers · As of November 5, 2026
View at MD Diamonds and Jewellers

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG612342569 or 612342569. Listed at 2 retailers as of November 5, 2026, with prices from $431 to $508, a $77 spread on the same certified stone. MD Diamonds and Jewellers lists it at $508. 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

1.01
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG612342569
Dimensions6.86 × 4.89 × 3.42 mm
L/W Ratio1.40
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
6.86 mm4.89 mm1.01 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG612342569
Side View
Table 66.0%Crown 45.3°Girdle: MED-STKPavilion 35.8°Culet: NoneDepth 69.9%

Caratlytics Score

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

Last verified: Nov 5
Current: $508 USD|Low: $431 USD|High: $508 USD|Avg: $493 USD
MD Diamonds and Jewellers
Retailer 2
September 26, 2026
Retailer 2$431 USD
MD Diamonds and Jewellers$508 USD

4 data points across 2 retailers

2 retailers$431 USD to $508 USD

B+
Cheapest Retailer
-
$431 USD
Most Expensive
B
MD Diamonds and Jewellers
LG612342569 · Nov 5
$508 USD
£400 GBP
View
1 more retailer has this diamond
Prices start from $431 USDSave up to $77 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+
1.01ct Radiant
$431 USD