CaratHunter
Plans
Radiant|Lab Grown|IGI

15.21ct F VVS2 Radiant Lab Grown Diamond

EX • F/VVS2 • IGI LG847657260

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

Certificate IGI LG847657260

Diamond specifications and retailer prices

From $3,465 USD
As of November 1, 2026
Save $3,070 USD (47%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $6,535 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 15.21ct lab-grown radiant diamond

This 15.21ct 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 LG847657260 or 847657260. Listed at 3 retailers as of October 28, 2026, with prices from $3,465 to $6,535, a $3,070 spread on the same certified stone. Rare Carat lists it at $6,535. 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

15.21
Carat
F
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847657260
Dimensions17.55 × 12.08 × 8.19 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.55 mm12.08 mm15.21 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847657260
Side View
Table 64.0%Crown 45.7°Girdle: MediumPavilion 34.7°Culet: NoneDepth 67.8%

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: $6,535 USD|Low: $3,465 USD|High: $6,590 USD|Avg: $5,248 USD|-0.8%
Rare Carat
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$3,465 USD
Retailer 2$4,743 USD
Rare Carat$6,535 USD

13 data points across 3 retailers

3 retailers$3,465 USD to $6,535 USD

A
Cheapest Retailer
-
$3,465 USD
Final sale: no returns
A
Retailer 2
-
$4,743 USD
£3,735 GBP
View
Most Expensive
B+
Rare Carat
847657260 · Oct 28
$6,535 USD
View
2 more retailers have this diamond
Prices start from $3,465 USDSave up to $3,070 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
15.21ct Radiant
$3,465 USD