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Radiant|Lab Grown|IGI

1.45ct F VS1 Radiant Lab Grown Diamond

GD • F/VS1 • IGI LG675575399

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

Certificate IGI LG675575399

Diamond specifications and retailer prices

From $903 NZD
$508 USD
As of November 2, 2026
Save $251 NZD (22%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,154 NZD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 1.45ct lab-grown radiant diamond

This 1.45ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG675575399 or 675575399. Listed at 2 retailers as of November 2, 2026, with prices from $903 to $1,154, a $251 spread on the same certified stone. Diamond Quarter lists it at $1,154. 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

1.45
Carat
F
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675575399
Dimensions8.18 × 5.51 × 3.70 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.18 mm5.51 mm1.45 ctF / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675575399
Side View
Table 65.0%Crown 41.1°Girdle: MediumPavilionCulet: NoneDepth 67.2%

Caratlytics Score

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

Last verified: Nov 2
Current: $903 NZD|Low: $885 NZD|High: $1,317 NZD|Avg: $1,029 NZD|-31.4%
September 23, 2026
Retailer 1$903 NZD

4 data points across 1 retailer

2 retailers$903 NZD to $1,154 NZD

B+
Cheapest Retailer
-
$903 NZD
$508 USD
Most Expensive
B
Diamond Quarter
1.45VS1FLG992FC7N · Nov 2
$1,154 NZD
£511 GBP
View
1 more retailer has this diamond
Prices start from $903 NZDSave up to $251 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+
1.45ct Radiant
$903 NZD