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 $5,960 NZD
HK$26,200 HKD
As of November 1, 2026
Save $20,877 NZD (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $26,837 NZD 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 $5,960 to $26,837, a $20,877 spread on the same certified stone. Brilliant Earth lists it at $26,837. 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: $26,837 NZD|Low: $4,238 NZD|High: $26,837 NZD|Avg: $10,983 NZD
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$4,238 NZD
Retailer 6$4,525 NZD
Retailer 4$4,923 NZD
Retailer 15$5,065 NZD
Retailer 8$5,248 NZD
Retailer 3$5,252 NZD
Retailer 17$5,960 NZD
Retailer 12$6,157 NZD
Retailer 20$7,045 NZD
Retailer 2$7,104 NZD
Retailer 5$7,214 NZD
Retailer 13$7,791 NZD
Retailer 21$8,094 NZD
Retailer 10$8,179 NZD
Retailer 22$9,741 NZD
Retailer 7$11,161 NZD
Retailer 11$14,709 NZD
Retailer 14$18,311 NZD
Retailer 18$19,062 NZD
Retailer 19$25,227 NZD
Retailer 16$25,359 NZD
Brilliant Earth$26,837 NZD

29 data points across 22 retailers

20 retailers$5,960 NZD to $26,837 NZD

Retailer 1
-
$4,525 NZD
$2,546 USD
Price last confirmed 10 days ago
Retailer 2
-
$4,923 NZD
$2,770 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$5,248 NZD
$2,953 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$5,252 NZD
$2,955 USD
View
Price last confirmed 6 days ago
A
Retailer 5
-
$5,960 NZD
HK$26,200 HKD
View
Retailer 6
-
$6,157 NZD
$3,464 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$7,045 NZD
£3,121 GBP
View
Price last confirmed 7 days ago
A
Retailer 8
-
$7,104 NZD
$3,997 USD
View
Retailer 9
-
$7,214 NZD
$4,059 USD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$7,791 NZD
€4,175 EUR
View
Retailer 11
-
$8,094 NZD
ZAR 73,571 ZAR
View
Price last confirmed 9 days ago
Retailer 12
-
$8,179 NZD
$4,602 USD
View
Price last confirmed 7 days ago
Retailer 13
-
$9,741 NZD
A$8,432 AUD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
$11,161 NZD
$6,280 USD
View
Retailer 15
-
$14,709 NZD
$8,276 USD
View
Price last confirmed 9 days ago
Retailer 16
-
$18,311 NZD
$10,303 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$19,062 NZD
A$16,500 AUD
View
B
Retailer 18
-
$25,227 NZD
$14,194 USD
View
B
Retailer 19
-
$25,359 NZD
$14,268 USD
View
Most Expensive
B
Brilliant Earth
18445082A · Nov 1
$26,837 NZD
$15,100 USD
View
19 more retailers have this diamond
Prices start from $5,960 NZDSave up to $20,877 NZD

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
$5,960 NZD