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Radiant|Lab Grown|IGI

1.05ct F SI1 Radiant Lab Grown Diamond

F/SI1 • IGI LG621468227

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

Certificate IGI LG621468227

Diamond specifications and retailer prices

From $785 NZD
As of November 5, 2026
Save $141 NZD (15%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $926 NZD 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 F colour (colourless) and SI1 clarity (slightly-included) and certified by IGI LG621468227 or 621468227. Listed at 2 retailers as of November 5, 2026, with prices from $785 to $926, a $141 spread on the same certified stone. MD Diamonds and Jewellers lists it at $926. 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
F
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621468227
Dimensions7.27 × 5.03 × 3.36 mm
L/W Ratio1.45
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
7.27 mm5.03 mm1.05 ctF / SI1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621468227
Side View
Table 65.0%Crown 41.3°Girdle: MediumPavilion 35°Culet: NoneDepth 66.8%

Caratlytics Score

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

Last verified: Nov 5
Current: $926 NZD|Low: $926 NZD|High: $926 NZD|Avg: $926 NZD
December 30, 2025
MD Diamonds and Jewellers$926 NZD

3 data points across 1 retailer

2 retailers$785 NZD to $926 NZD

B+
Cheapest Retailer
-
$785 NZD
Most Expensive
B
MD Diamonds and Jewellers
LG621468227 · Nov 5
$926 NZD
£404 GBP
View
1 more retailer has this diamond
Prices start from $785 NZDSave up to $141 NZD

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
$785 NZD