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Radiant|Lab Grown|IGI

15.14ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG846635120

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

Certificate IGI LG846635120

Diamond specifications and retailer prices

From $4,737 AUD
$3,320 USD
As of November 3, 2026
Save $16,966 AUD (78%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $21,703 AUD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 15.14ct lab-grown radiant diamond

This 15.14ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846635120 or 846635120. Listed at 3 retailers as of November 1, 2026, with prices from $4,737 to $21,703, a $16,966 spread on the same certified stone. Brilliant Earth lists it at $21,703. 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

15.14
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846635120
Dimensions17.73 × 12.24 × 7.93 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.73 mm12.24 mm15.14 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846635120
Side View
Table 67.0%Crown 46.4°Girdle: MediumPavilion 34.3°Culet: NoneDepth 64.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: $21,703 AUD|Low: $4,737 AUD|High: $24,971 AUD|Avg: $12,496 AUD|-13.1%
Brilliant Earth
Retailer 2
Retailer 3
November 3, 2026
Retailer 3$4,737 AUD
Retailer 2$6,593 AUD
Brilliant Earth$21,703 AUD

18 data points across 3 retailers

3 retailers$4,737 AUD to $21,703 AUD

A
Cheapest Retailer
-
$4,737 AUD
$3,320 USD
Final sale: no returns
A
Retailer 2
-
$6,593 AUD
£3,638 GBP
View
Most Expensive
B
Brilliant Earth
22151197A · Nov 1
$21,703 AUD
$15,210 USD
View
2 more retailers have this diamond
Prices start from $4,737 AUDSave up to $16,966 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
15.14ct Radiant
$4,737 AUD