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Radiant|Lab Grown|IGI

15.03ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG848623811

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

Certificate IGI LG848623811

Diamond specifications and retailer prices

From $3,322 USD
As of November 1, 2026
Save $11,898 USD (78%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $15,220 USD 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 LG848623811 or 848623811. Listed at 3 retailers as of November 1, 2026, with prices from $3,322 to $15,220, a $11,898 spread on the same certified stone. Brilliant Earth lists it at $15,220. 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
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848623811
Dimensions17.40 × 12.02 × 8.18 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.40 mm12.02 mm15.03 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848623811
Side View
Table 68.0%Crown 46.4°Girdle: Slightly ThickPavilion 35.5°Culet: NoneDepth 68.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $15,220 USD|Low: $3,322 USD|High: $17,490 USD|Avg: $8,986 USD|-13.0%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$3,322 USD
Retailer 2$4,640 USD
Brilliant Earth$15,220 USD

11 data points across 3 retailers

3 retailers$3,322 USD to $15,220 USD

A
Cheapest Retailer
-
$3,322 USD
Final sale: no returns
A
Retailer 2
-
$4,640 USD
£3,654 GBP
View
Most Expensive
B
Brilliant Earth
22238156A · Nov 1
$15,220 USD
View
2 more retailers have this diamond
Prices start from $3,322 USDSave up to $11,898 USD

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
$3,322 USD