Radiant|Lab Grown|IGI

1.01ct F SI1 Radiant Lab Grown Diamond

VG • F/SI1 • IGI LG668476881

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

Certificate IGI LG668476881

Diamond specifications and retailer prices

From $427 USD
As of November 6, 2026
Save $68 USD (14%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $495 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG668476881 or 668476881. Listed at 2 retailers as of November 5, 2026, with prices from $427 to $495, a $68 spread on the same certified stone. Diamond Quarter lists it at $495. 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

1.01
Carat
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668476881
Dimensions7.04 × 4.85 × 3.48 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.04 mm4.85 mm1.01 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668476881
Side View
Table 68.0%Crown 41.9°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 71.8%

Caratlytics Score

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

Last verified: Nov 6
Current: $427 USD|Low: $419 USD|High: $608 USD|Avg: $480 USD|-29.8%
September 23, 2026
Retailer 1$427 USD

4 data points across 1 retailer

2 retailers$427 USD to $495 USD

B+
Cheapest Retailer
-
$427 USD
Most Expensive
B
Diamond Quarter
1.01SI1FLG814B00N · Nov 5
$495 USD
£389 GBP
View
1 more retailer has this diamond
Prices start from $427 USDSave up to $68 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
$427 USD