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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 $4,431 SGD
$3,465 USD
As of November 1, 2026
Save $3,926 SGD (47%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $8,358 SGD 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 $4,431 to $8,358, a $3,926 spread on the same certified stone. Rare Carat lists it at $8,358. 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
Colour
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $8,358 SGD|Low: $4,431 SGD|High: $8,428 SGD|Avg: $6,712 SGD|-0.8%
Rare Carat
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$4,431 SGD
Retailer 2$6,066 SGD
Rare Carat$8,358 SGD

13 data points across 3 retailers

3 retailers$4,431 SGD to $8,358 SGD

A
Cheapest Retailer
-
$4,431 SGD
$3,465 USD
Final sale: no returns
A
Retailer 2
-
$6,066 SGD
£3,735 GBP
View
Most Expensive
B+
Rare Carat
847657260 · Oct 28
$8,358 SGD
$6,535 USD
View
2 more retailers have this diamond
Prices start from $4,431 SGDSave up to $3,926 SGD

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
$4,431 SGD