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Radiant|Lab Grown|IGI

15.55ct F VVS2 Radiant Lab Grown Diamond

EX • F/VVS2 • IGI LG846635124

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

Certificate IGI LG846635124

Diamond specifications and retailer prices

From $3,516 USD
As of November 1, 2026
Save $1,277 USD (27%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,793 USD at 77 Diamonds · As of November 3, 2026
View at 77 Diamonds

About this 15.55ct lab-grown radiant diamond

This 15.55ct 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 LG846635124 or 846635124. Listed at 2 retailers as of November 1, 2026, with prices from $3,516 to $4,793, a $1,277 spread on the same certified stone. 77 Diamonds lists it at $4,793. 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

15.55
Carat
F
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846635124
Dimensions17.91 × 12.34 × 8.02 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.91 mm12.34 mm15.55 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846635124
Side View
Table 69.0%Crown 47°Girdle: MediumPavilion 34.6°Culet: NoneDepth 65.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $4,793 USD|Low: $3,516 USD|High: $5,152 USD|Avg: $4,427 USD|-6.8%
77 Diamonds
Retailer 2
November 3, 2026
Retailer 2$3,516 USD
77 Diamonds$4,793 USD

18 data points across 2 retailers

2 retailers$3,516 USD to $4,793 USD

A
Cheapest Retailer
-
$3,516 USD
Final sale: no returns
Most Expensive
B+
77 Diamonds
RADTVS4BNQPF4M · Nov 3
$4,793 USD
£3,774 GBP
View
1 more retailer has this diamond
Prices start from $3,516 USDSave up to $1,277 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
15.55ct Radiant
$3,516 USD