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Radiant|Lab Grown|IGI

15.17ct F VVS2 Radiant Lab Grown Diamond

EX • F/VVS2 • IGI LG831659423

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

Certificate IGI LG831659423

Diamond specifications and retailer prices

From $5,335 AUD
$3,739 USD
As of November 1, 2026
Save $9,252 AUD (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $14,587 AUD at Frank Darling · As of October 29, 2026
View at Frank Darling

About this 15.17ct lab-grown radiant diamond

This 15.17ct 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 LG831659423 or 831659423. Listed at 4 retailers as of October 29, 2026, with prices from $5,335 to $14,587, a $9,252 spread on the same certified stone. Frank Darling lists it at $14,587. 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

15.17
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831659423
Dimensions17.78 × 12.23 × 7.99 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.78 mm12.23 mm15.17 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831659423
Side View
Table 65.0%Crown 46°Girdle: MediumPavilion 34.6°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $14,587 AUD|Low: $5,335 AUD|High: $15,185 AUD|Avg: $8,617 AUD|-3.9%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 28, 2026
Retailer 3$5,335 AUD
Retailer 4$7,063 AUD
Retailer 5$7,142 AUD
Retailer 2$9,268 AUD
Frank Darling$14,587 AUD

16 data points across 5 retailers

4 retailers$5,335 AUD to $14,587 AUD

A
Cheapest Retailer
-
$5,335 AUD
$3,739 USD
Final sale: no returns
B+
Retailer 2
-
$7,063 AUD
$4,950 USD
View
B+
Retailer 3
-
$9,268 AUD
$6,495 USD
View
Most Expensive
B
Frank Darling
100756205274KD · Oct 29
$14,587 AUD
$10,223 USD
View
3 more retailers have this diamond
Prices start from $5,335 AUDSave up to $9,252 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
15.17ct Radiant
$5,335 AUD