Round|Natural|IGI

0.98ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 818638647

Shape and cutting style on the report: Round brilliant

Certificate IGI 818638647

Diamond specifications and retailer prices

From $1,077 USD
As of November 6, 2026
Save $2,180 USD (67%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,257 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 IGI 818638647. Listed at 13 retailers as of November 5, 2026, with prices from $1,077 to $3,257, a $2,180 spread on the same certified stone. NZ Jewellers lists it at $3,257. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 818638647
Dimensions6.26 × 6.32 × 3.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.26 mm6.32 mm0.98 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 818638647
Side View
Table 56.0%Crown 36.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,257 USD|Low: $1,077 USD|High: $3,257 USD|Avg: $1,780 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 2$1,077 USD
Retailer 4$1,232 USD
Retailer 9$1,335 USD
Retailer 10$1,397 USD
Retailer 5$1,456 USD
Retailer 3$1,470 USD
Retailer 13$1,541 USD
Retailer 11$1,545 USD
Retailer 7$1,885 USD
Retailer 8$1,955 USD
Retailer 12$2,446 USD
Retailer 6$3,172 USD
NZ Jewellers$3,257 USD

14 data points across 13 retailers

13 retailers$1,077 USD to $3,257 USD

A
Cheapest Retailer
-
$1,077 USD
A
Retailer 2
-
$1,232 USD
View
Final sale: no returns
B+
Retailer 3
-
$1,335 USD
View
B+
Retailer 4
-
$1,397 USD
View
B+
Retailer 5
-
$1,456 USD
View
B+
Retailer 6
-
$1,470 USD
View
B+
Retailer 7
-
$1,541 USD
View
B+
Retailer 8
-
$1,545 USD
View
B+
Retailer 9
-
$1,885 USD
View
B
Retailer 10
-
$1,955 USD
View
B
Retailer 11
-
$2,446 USD
View
B
Retailer 12
-
$3,172 USD
View
Most Expensive
B
NZ Jewellers
361cc30a-026b-4e91-ae08-305eea2c7bad · Nov 5
$3,257 USD
View
12 more retailers have this diamond
Prices start from $1,077 USDSave up to $2,180 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 Round
$1,077 USD