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Radiant|Natural|IGI

0.98ct F SI2 Radiant Natural Diamond

ID • F/SI2 • IGI 51

Certificate IGI 51

Diamond specifications and retailer prices

From $1,197 USD
As of October 31, 2026
Save $948 USD (44%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,145 USD at Helzberg Diamonds · As of November 2, 2026
View at Helzberg Diamonds

About this 0.98ct natural radiant diamond

This 0.98ct natural radiant sits in the just-under-one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of October 31, 2026, with prices from $1,197 to $2,145, a $948 spread on the same certified stone. Helzberg Diamonds lists it at $2,145. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.98
Carat
F
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 51
Dimensions6.71 × 4.95 mm
L/W Ratio1.36
Top View
6.71 mm4.95 mm0.98 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 51
Side View
Table 69.0%CrownGirdle: Slightly ThickPavilionCuletDepth 67.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $2,145 USD|Low: $1,197 USD|High: $2,145 USD|Avg: $1,513 USD
Helzberg Diamonds
Retailer 2
September 24, 2026
Retailer 2$1,197 USD
Helzberg Diamonds$2,145 USD

2 data points across 2 retailers

2 retailers$1,197 USD to $2,145 USD

A
Cheapest Retailer
-
$1,197 USD
Most Expensive
B
Helzberg Diamonds
ZXZOHJMKIMNJ · Nov 2
$2,145 USD
View
1 more retailer has this diamond
Prices start from $1,197 USDSave up to $948 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
0.98ct Radiant
$1,197 USD