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Radiant|Lab Grown|IGI

6.43ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG600381689

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

Certificate IGI LG600381689

Diamond specifications and retailer prices

From $3,226 NZD
$1,818 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: $3,226 NZD at Loose Grown Diamond
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Loose Grown Diamond

About this 6.43ct lab-grown radiant diamond

This 6.43ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG600381689 or 600381689. Listed at a single retailer as of October 28, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.43
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.6°
Pavilion angle28.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600381689
Dimensions13.58 × 8.38 × 5.79 mm
L/W Ratio1.62
Culet sizePointed
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
13.58 mm8.38 mm6.43 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600381689
Side View
Table 68.0%Crown 47.6°Girdle: MediumPavilion 28.6°Culet: NoneDepth 69.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: $3,226 NZD|Low: $2,876 NZD|High: $5,791 NZD|Avg: $3,835 NZD|-20.4%
August 27, 2026
Loose Grown Diamond$3,226 NZD

5 data points across 1 retailer

1 retailer

B+
Loose Grown Diamond
600381689 · Oct 28
$3,226 NZD
$1,818 USD
View

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B+
6.43ct Radiant
$3,226 NZD