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Radiant|Lab Grown|IGI

15.05ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG779643416

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

Certificate IGI LG779643416

Diamond specifications and retailer prices

From $4,804 AUD
HK$26,300 HKD
As of November 1, 2026
Save $16,771 AUD (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $21,575 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 15.05ct lab-grown radiant diamond

This 15.05ct 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 LG779643416 or 779643416. Listed at 9 retailers as of November 1, 2026, with prices from $4,804 to $21,575, a $16,771 spread on the same certified stone. Brilliant Earth lists it at $21,575. 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

15.05
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779643416
Dimensions17.97 × 11.93 × 7.88 mm
L/W Ratio1.51
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.97 mm11.93 mm15.05 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779643416
Side View
Table 68.0%Crown 47.1°Girdle: Slightly ThickPavilion 38.9°Culet: NoneDepth 66.1%

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: $21,575 AUD|Low: $4,804 AUD|High: $42,036 AUD|Avg: $11,788 AUD|-48.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 8$4,804 AUD
Retailer 11$4,866 AUD
Retailer 13$5,588 AUD
Retailer 2$6,263 AUD
Retailer 10$6,809 AUD
Retailer 4$7,049 AUD
Retailer 5$7,283 AUD
Retailer 14$7,459 AUD
Retailer 12$9,311 AUD
Retailer 6$16,058 AUD
Retailer 3$17,177 AUD
Retailer 9$20,281 AUD
Retailer 7$20,412 AUD
Brilliant Earth$21,575 AUD

14 data points across 14 retailers

9 retailers$4,804 AUD to $21,575 AUD

A
Cheapest Retailer
-
$4,804 AUD
HK$26,300 HKD
Retailer 2
-
$4,866 AUD
$3,410 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
$6,263 AUD
€4,180 EUR
View
Retailer 4
-
$7,459 AUD
ZAR 84,446 ZAR
View
Price last confirmed 41 days ago
Retailer 5
-
$9,311 AUD
$6,525 USD
View
Price last confirmed 39 days ago
Retailer 6
-
$16,058 AUD
View
Price last confirmed 122 days ago
B
Retailer 7
-
$20,281 AUD
$14,213 USD
View
B
Retailer 8
-
$20,412 AUD
$14,305 USD
View
Most Expensive
B
Brilliant Earth
18005485A · Nov 2
$21,575 AUD
$15,120 USD
View
8 more retailers have this diamond
Prices start from $4,804 AUDSave up to $16,771 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
15.05ct Radiant
$4,804 AUD