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Radiant|Lab Grown|IGI

1.58ct I VS1 Radiant Lab Grown Diamond

EX • I/VS1 • IGI LG600356668

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

Certificate IGI LG600356668

Diamond specifications and retailer prices

From $1,424 AUD
$1,000 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $1,424 AUD at Brilliant Earth
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 Brilliant Earth

About this 1.58ct lab-grown radiant diamond

This 1.58ct lab-grown radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG600356668 or 600356668. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600356668
Dimensions8.46 × 5.70 × 3.81 mm
L/W Ratio1.48
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
8.46 mm5.70 mm1.58 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600356668
Side View
Table 63.0%Crown 40.4°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 66.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $147 AUD|Low: $147 AUD|High: $25,447 AUD|Avg: $2,324 AUD|-78.5%
Retailer 1
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Retailer 11
May 23, 2026
Retailer 1$147 AUD
Retailer 5$504 AUD
Retailer 4$551 AUD
Retailer 2$870 AUD
Retailer 3$878 AUD
Retailer 7$897 AUD
Retailer 8$1,060 AUD
Retailer 11$1,061 AUD
Retailer 6$1,262 AUD
Retailer 10$1,692 AUD
Retailer 9$25,447 AUD

36 data points across 11 retailers

1 retailer

B
Brilliant Earth
18876101A · Oct 29
$1,424 AUD
$1,000 USD
View

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B
1.58ct Radiant
$1,424 AUD