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Radiant|Lab Grown|IGI

15.61ct G VS2 Radiant Lab Grown Diamond

EX • G/VS2 • IGI LG839643046

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

Certificate IGI LG839643046

Diamond specifications and retailer prices

From $3,589 AUD
$2,521 USD
As of October 31, 2026
Save $14,149 AUD (80%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $17,738 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 15.61ct lab-grown radiant diamond

This 15.61ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839643046 or 839643046. Listed at 3 retailers as of October 31, 2026, with prices from $3,589 to $17,738, a $14,149 spread on the same certified stone. Brilliant Earth lists it at $17,738. 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

15.61
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.5°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839643046
Dimensions17.71 × 12.17 × 8.13 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.71 mm12.17 mm15.61 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839643046
Side View
Table 67.0%Crown 46.5°Girdle: MediumPavilion 34.5°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $17,738 AUD|Low: $3,589 AUD|High: $17,738 AUD|Avg: $9,587 AUD|+0.6%
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$3,589 AUD
Retailer 2$5,123 AUD
Brilliant Earth$17,738 AUD

28 data points across 3 retailers

3 retailers$3,589 AUD to $17,738 AUD

A
Cheapest Retailer
-
$3,589 AUD
$2,521 USD
Final sale: no returns
A
Retailer 2
-
$5,123 AUD
£2,833 GBP
View
Most Expensive
B
Brilliant Earth
21602891A · Oct 31
$17,738 AUD
$12,460 USD
View
2 more retailers have this diamond
Prices start from $3,589 AUDSave up to $14,149 AUD

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
15.61ct Radiant
$3,589 AUD