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Radiant|Lab Grown|IGI

15.12ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG846689293

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

Certificate IGI LG846689293

Diamond specifications and retailer prices

From $14,263 AUD
$9,996 USD
As of November 3, 2026
2 retailers carry this diamond
Most expensive: $25,627 AUD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 15.12ct lab-grown radiant diamond

This 15.12ct 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 LG846689293 or 846689293. Listed at 2 retailers as of November 3, 2026. 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

15.12
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846689293
Dimensions17.64 × 12.15 × 7.96 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.64 mm12.15 mm15.12 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846689293
Side View
Table 66.0%Crown 44.7°Girdle: MediumPavilion 37.1°Culet: NoneDepth 65.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 3
Current: $25,627 AUD|Low: $6,994 AUD|High: $25,627 AUD|Avg: $16,083 AUD
Brilliant Earth
Retailer 2
Retailer 3
November 3, 2026
Retailer 3$6,994 AUD
Retailer 2$14,263 AUD
Brilliant Earth$25,627 AUD

4 data points across 3 retailers

2 retailers

B
Cheapest Retailer
-
$14,263 AUD
$9,996 USD
Most Expensive
Brilliant Earth
22178996A · Oct 21
$25,627 AUD
$17,960 USD
View
Price last confirmed 12 days ago
1 more retailer has this diamond
Prices start from $14,263 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.

B
15.12ct Radiant
$14,263 AUD