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Radiant|Lab Grown|IGI

1.16ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG628460307

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

Certificate IGI LG628460307

Diamond specifications and retailer prices

From $734 NZD
As of November 5, 2026
Save $164 NZD (18%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $898 NZD at MD Diamonds and Jewellers · As of November 5, 2026
View at MD Diamonds and Jewellers

About this 1.16ct lab-grown radiant diamond

This 1.16ct 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 LG628460307 or 628460307. Listed at 2 retailers as of November 5, 2026, with prices from $734 to $898, a $164 spread on the same certified stone. MD Diamonds and Jewellers lists it at $898. 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

1.16
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628460307
Dimensions7.48 × 5.16 × 3.51 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
7.48 mm5.16 mm1.16 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628460307
Side View
Table 67.0%Crown 43.5°Girdle: MediumPavilion 36°Culet: NoneDepth 68.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $898 NZD|Low: $734 NZD|High: $898 NZD|Avg: $865 NZD
MD Diamonds and Jewellers
Retailer 2
September 26, 2026
Retailer 2$734 NZD
MD Diamonds and Jewellers$898 NZD

4 data points across 2 retailers

2 retailers$734 NZD to $898 NZD

A
Cheapest Retailer
-
$734 NZD
Most Expensive
B+
MD Diamonds and Jewellers
LG628460307 · Nov 5
$898 NZD
£392 GBP
View
1 more retailer has this diamond
Prices start from $734 NZDSave up to $164 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.

A
1.16ct Radiant
$734 NZD