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Radiant|Lab Grown|IGI

15.23ct F VVS2 Radiant Lab Grown Diamond

EX • F/VVS2 • IGI LG847631128

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

Certificate IGI LG847631128

Diamond specifications and retailer prices

From $4,950 AUD
$3,469 USD
As of November 1, 2026
Save $19,450 AUD (80%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $24,400 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 15.23ct lab-grown radiant diamond

This 15.23ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG847631128 or 847631128. Listed at 4 retailers as of October 28, 2026, with prices from $4,950 to $24,400, a $19,450 spread on the same certified stone. Brilliant Earth lists it at $24,400. 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

15.23
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.6°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847631128
Dimensions17.68 × 12.18 × 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
17.68 mm12.18 mm15.23 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847631128
Side View
Table 66.0%Crown 46.6°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 65.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $6,709 AUD|Low: $4,950 AUD|High: $9,410 AUD|Avg: $7,437 AUD|-6.6%
Retailer 1
Retailer 2
Retailer 3
November 2, 2026
Retailer 2$4,950 AUD
Retailer 1$6,709 AUD
Retailer 3$9,410 AUD

14 data points across 3 retailers

4 retailers$4,950 AUD to $24,400 AUD

A
Cheapest Retailer
-
$4,950 AUD
$3,469 USD
Final sale: no returns
A
Retailer 2
-
$6,709 AUD
£3,702 GBP
View
Retailer 3
-
$9,410 AUD
$6,595 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
22344557A · Oct 28
$24,400 AUD
$17,100 USD
View
3 more retailers have this diamond
Prices start from $4,950 AUDSave up to $19,450 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
15.23ct Radiant
$4,950 AUD