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0.98ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1508585340

Certificate GIA 1508585340

Diamond specifications and retailer prices

From $2,814 AUD
As of November 1, 2026
Save $1,377 AUD (33%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,191 AUD at Yorxs · As of November 5, 2026
View at Yorxs

About this 0.98ct natural round diamond

This 0.98ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1508585340. Listed at 8 retailers as of November 1, 2026, with prices from $2,814 to $4,191, a $1,377 spread on the same certified stone. Yorxs lists it at $4,191. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1508585340
Dimensions6.40 × 6.36 × 3.86 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionFaceted
Top View
6.40 mm6.36 mm0.98 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1508585340
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,814 AUD|Low: $2,814 AUD|High: $4,353 AUD|Avg: $3,667 AUD|-4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
November 5, 2026
Retailer 1$2,814 AUD
Retailer 5$2,858 AUD
Retailer 3$3,556 AUD
Retailer 4$3,757 AUD
Retailer 6$3,757 AUD
Retailer 7$3,886 AUD
Retailer 2$4,116 AUD
Yorxs$4,191 AUD

22 data points across 8 retailers

8 retailers$2,814 AUD to $4,191 AUD

B+
Cheapest Retailer
-
$2,814 AUD
B+
Retailer 2
-
$2,858 AUD
View
B
Retailer 3
-
$3,556 AUD
View
B
Retailer 4
-
$3,757 AUD
View
B
Retailer 5
-
$3,757 AUD
View
B
Retailer 6
-
$3,886 AUD
View
B
Retailer 7
-
$4,116 AUD
View
Most Expensive
B
Yorxs
BP3839 · Nov 5
$4,191 AUD
€2,794 EUR
View
7 more retailers have this diamond
Prices start from $2,814 AUDSave up to $1,377 AUD

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.

B+
0.98ct Round
$2,814 AUD