Radiant|Lab Grown|IGI

15.03ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG782648478

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

Certificate IGI LG782648478

Diamond specifications and retailer prices

From $4,785 AUD
HK$26,200 HKD
As of November 1, 2026
Save $16,761 AUD (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $21,546 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 LG782648478 or 782648478. Listed at 20 retailers as of November 1, 2026, with prices from $4,785 to $21,546, a $16,761 spread on the same certified stone. Brilliant Earth lists it at $21,546. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.4°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782648478
Dimensions17.85 × 11.71 × 7.79 mm
L/W Ratio1.52
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.85 mm11.71 mm15.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782648478
Side View
Table 65.0%Crown 48.4°Girdle: Slightly ThickPavilion 34.8°Culet: NoneDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $21,546 AUD|Low: $3,402 AUD|High: $21,546 AUD|Avg: $8,818 AUD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 9$3,402 AUD
Retailer 6$3,633 AUD
Retailer 4$3,953 AUD
Retailer 15$4,067 AUD
Retailer 8$4,214 AUD
Retailer 3$4,216 AUD
Retailer 17$4,785 AUD
Retailer 12$4,943 AUD
Retailer 20$5,656 AUD
Retailer 2$5,703 AUD
Retailer 5$5,792 AUD
Retailer 13$6,255 AUD
Retailer 21$6,498 AUD
Retailer 10$6,567 AUD
Retailer 22$7,821 AUD
Retailer 7$8,961 AUD
Retailer 11$11,809 AUD
Retailer 14$14,701 AUD
Retailer 18$15,304 AUD
Retailer 19$20,253 AUD
Retailer 16$20,359 AUD
Brilliant Earth$21,546 AUD

29 data points across 22 retailers

20 retailers$4,785 AUD to $21,546 AUD

Retailer 1
-
$3,633 AUD
$2,546 USD
Price last confirmed 10 days ago
Retailer 2
-
$3,953 AUD
$2,770 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$4,214 AUD
$2,953 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$4,216 AUD
$2,955 USD
View
Price last confirmed 6 days ago
A
Retailer 5
-
$4,785 AUD
HK$26,200 HKD
View
Retailer 6
-
$4,943 AUD
$3,464 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$5,656 AUD
£3,121 GBP
View
Price last confirmed 7 days ago
A
Retailer 8
-
$5,703 AUD
$3,997 USD
View
Retailer 9
-
$5,792 AUD
$4,059 USD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$6,255 AUD
€4,175 EUR
View
Retailer 11
-
$6,498 AUD
ZAR 73,571 ZAR
View
Price last confirmed 9 days ago
Retailer 12
-
$6,567 AUD
$4,602 USD
View
Price last confirmed 7 days ago
Retailer 13
-
$7,821 AUD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
$8,961 AUD
$6,280 USD
View
Retailer 15
-
$11,809 AUD
$8,276 USD
View
Price last confirmed 8 days ago
Retailer 16
-
$14,701 AUD
$10,303 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$15,304 AUD
View
B
Retailer 18
-
$20,253 AUD
$14,194 USD
View
B
Retailer 19
-
$20,359 AUD
$14,268 USD
View
Most Expensive
B
Brilliant Earth
18445082A · Nov 1
$21,546 AUD
$15,100 USD
View
19 more retailers have this diamond
Prices start from $4,785 AUDSave up to $16,761 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
$4,785 AUD