Radiant|Lab Grown|IGI

15.26ct F VVS2 Radiant Lab Grown Diamond

EX • F/VVS2 • IGI LG828660867

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

Certificate IGI LG828660867

Diamond specifications and retailer prices

From $3,450 USD
As of November 1, 2026
Save $3,085 USD (47%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $18,190 USD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 15.26ct lab-grown radiant diamond

This 15.26ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828660867 or 828660867. Listed at 4 retailers as of October 28, 2026, with a 89% 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

15.26
Carat
F
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828660867
Dimensions17.58 × 12.43 × 8.07 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.58 mm12.43 mm15.26 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828660867
Side View
Table 65.0%Crown 45.4°Girdle: MediumPavilion 35°Culet: NoneDepth 64.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $18,190 USD|Low: $3,450 USD|High: $20,380 USD|Avg: $9,770 USD|-10.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 4$3,450 USD
Retailer 2$4,711 USD
Retailer 3$6,535 USD
Brilliant Earth$18,190 USD

39 data points across 4 retailers

4 retailers$3,450 USD to $6,535 USD

A
Cheapest Retailer
-
$3,450 USD
Final sale: no returns
A
Retailer 2
-
$4,711 USD
£3,710 GBP
View
B+
Retailer 3
-
$6,535 USD
View
Most Expensive
Brilliant Earth
21247107A · Oct 26
$18,190 USD
View
Price last confirmed 7 days ago
3 more retailers have this diamond
Prices start from $3,450 USDSave up to $3,085 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
15.26ct Radiant
$3,450 USD