Radiant|Lab Grown|IGI

15.03ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG848623811

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

Certificate IGI LG848623811

Diamond specifications and retailer prices

From $4,740 AUD
$3,322 USD
As of November 1, 2026
Save $16,977 AUD (78%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $21,717 AUD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 15.03ct lab-grown radiant diamond

This 15.03ct 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 LG848623811 or 848623811. Listed at 3 retailers as of November 1, 2026, with prices from $4,740 to $21,717, a $16,977 spread on the same certified stone. Brilliant Earth lists it at $21,717. 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

15.03
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848623811
Dimensions17.40 × 12.02 × 8.18 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.40 mm12.02 mm15.03 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848623811
Side View
Table 68.0%Crown 46.4°Girdle: Slightly ThickPavilion 35.5°Culet: NoneDepth 68.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $21,717 AUD|Low: $4,740 AUD|High: $24,956 AUD|Avg: $12,647 AUD|-13.0%
Brilliant Earth
Retailer 2
Retailer 3
November 3, 2026
Retailer 3$4,740 AUD
Retailer 2$6,611 AUD
Brilliant Earth$21,717 AUD

12 data points across 3 retailers

3 retailers$4,740 AUD to $21,717 AUD

A
Cheapest Retailer
-
$4,740 AUD
$3,322 USD
Final sale: no returns
A
Retailer 2
-
$6,611 AUD
£3,648 GBP
View
Most Expensive
B
Brilliant Earth
22238156A · Nov 1
$21,717 AUD
$15,220 USD
View
2 more retailers have this diamond
Prices start from $4,740 AUDSave up to $16,977 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
15.03ct Radiant
$4,740 AUD