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Radiant|Lab Grown|IGI

15.03ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG801621774

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

Certificate IGI LG801621774

Diamond specifications and retailer prices

From $6,506 NZD
HK$28,600 HKD
As of November 1, 2026
Save $18,996 NZD (74%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $26,837 NZD at Brilliant Earth · As of October 16, 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 LG801621774 or 801621774. Listed at 8 retailers as of November 1, 2026, with a 292% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle19.4°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801621774
Dimensions17.79 × 12.32 × 7.81 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.79 mm12.32 mm15.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801621774
Side View
Table 63.0%Crown 19.4°Girdle: MediumPavilion 34.4°Culet: NoneDepth 63.4%

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: $26,837 NZD|Low: $6,506 NZD|High: $27,673 NZD|Avg: $15,396 NZD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6$6,506 NZD
Retailer 2$7,433 NZD
Retailer 5$8,037 NZD
Retailer 9$8,299 NZD
Retailer 3$8,920 NZD
Retailer 4$19,150 NZD
Retailer 8$20,243 NZD
Retailer 10$21,375 NZD
Retailer 7$25,502 NZD
Brilliant Earth$26,837 NZD

20 data points across 10 retailers

8 retailers$6,506 NZD to $25,502 NZD

A
Cheapest Retailer
-
$6,506 NZD
HK$28,600 HKD
A
Retailer 2
-
$7,433 NZD
$4,182 USD
View
A
Retailer 3
-
$8,037 NZD
$4,522 USD
View
A
Retailer 4
-
$8,920 NZD
€4,780 EUR
View
B
Retailer 5
-
$19,150 NZD
A$16,577 AUD
View
B
Retailer 6
-
$20,656 NZD
$11,622 USD
View
B
Retailer 7
-
$25,502 NZD
$14,349 USD
View
Most Expensive
Brilliant Earth
20118092A · Oct 16
$26,837 NZD
$15,100 USD
View
Price last confirmed 17 days ago
7 more retailers have this diamond
Prices start from $6,506 NZDSave up to $18,996 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
$6,506 NZD