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Round|Natural|IGI

1.03ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 772672908

Shape and cutting style on the report: Round brilliant

Certificate IGI 772672908

Diamond specifications and retailer prices

From $1,238 USD
As of November 4, 2026
Save $2,782 USD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,020 USD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 772672908. Listed at 12 retailers as of November 2, 2026, with prices from $1,238 to $4,020, a $2,782 spread on the same certified stone. NZ Jewellers lists it at $4,020. 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

1.03
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 772672908
Dimensions6.40 × 6.44 × 4.06 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.40 mm6.44 mm1.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 772672908
Side View
Table 56.0%Crown 36.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.2%

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 4
Current: $1,898 USD|Low: $1,236 USD|High: $2,922 USD|Avg: $1,820 USD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 5$1,238 USD
Retailer 3$1,462 USD
Retailer 12$1,527 USD
Retailer 10$1,530 USD
Retailer 11$1,648 USD
Retailer 4$1,671 USD
Retailer 2$1,784 USD
Retailer 6$1,848 USD
Retailer 1$1,898 USD
Retailer 9$2,011 USD
Retailer 7$2,241 USD
Retailer 8$2,886 USD

27 data points across 12 retailers

12 retailers$1,238 USD to $4,020 USD

A
Cheapest Retailer
-
$1,238 USD
A
Retailer 2
-
$1,527 USD
View
A
Retailer 3
-
$1,530 USD
View
Retailer 4
-
$1,648 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$1,784 USD
View
B+
Retailer 6
-
$1,848 USD
View
B+
Retailer 7
-
$1,898 USD
View
B+
Retailer 8
-
$1,901 USD
View
B+
Retailer 9
-
$2,011 USD
View
B+
Retailer 10
-
$2,241 USD
View
B
Retailer 11
-
$2,886 USD
View
Most Expensive
C
NZ Jewellers
f71f03d1-b2ee-4a47-833a-e6b693c13220 · Nov 2
$4,020 USD
View
11 more retailers have this diamond
Prices start from $1,238 USDSave up to $2,782 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
1.03ct Round
$1,238 USD