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Radiant|Lab Grown|IGI

1.01ct F SI2 Radiant Lab Grown Diamond

ID • F/SI2 • IGI LG12745116

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

Certificate IGI LG12745116

Diamond specifications and retailer prices

From $610 USD
As of November 5, 2026
Save $226 USD (27%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $836 USD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12745116 or 12745116. Listed at 3 retailers as of November 5, 2026, with prices from $610 to $836, a $226 spread on the same certified stone. Diamond Quarter lists it at $836. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle31.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12745116
Dimensions6.64 × 4.96 × 3.39 mm
L/W Ratio1.34
Culet sizePointed
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by High Pressure High Tempertature (HPHT) growth process.
Top View
6.64 mm4.96 mm1.01 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG12745116
Side View
Table 69.0%CrownGirdle: STK-THKPavilion 31.8°Culet: NoneDepth 68.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $385 USD|Low: $131 USD|High: $808 USD|Avg: $483 USD|-4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
September 18, 2026
Retailer 3$215 USD
Retailer 2$341 USD
Retailer 1$385 USD
Retailer 4$610 USD
Retailer 5$808 USD

79 data points across 5 retailers

3 retailers$610 USD to $836 USD

B
Cheapest Retailer
-
$610 USD
B
Retailer 2
-
$808 USD
View
Most Expensive
B
Diamond Quarter
1.01SI2FLG16AAF5N · Nov 5
$836 USD
£658 GBP
View
2 more retailers have this diamond
Prices start from $610 USDSave up to $226 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
$610 USD