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 $2,233 NZD
As of November 4, 2026
Save $5,018 NZD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,252 NZD 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 $2,233 to $7,252, a $5,018 spread on the same certified stone. NZ Jewellers lists it at $7,252. 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
Colour
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: $3,424 NZD|Low: $2,230 NZD|High: $5,271 NZD|Avg: $3,283 NZD|-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$2,233 NZD
Retailer 3$2,637 NZD
Retailer 12$2,755 NZD
Retailer 10$2,760 NZD
Retailer 11$2,973 NZD
Retailer 4$3,014 NZD
Retailer 2$3,218 NZD
Retailer 6$3,334 NZD
Retailer 1$3,424 NZD
Retailer 9$3,628 NZD
Retailer 7$4,043 NZD
Retailer 8$5,206 NZD

27 data points across 12 retailers

12 retailers$2,233 NZD to $7,252 NZD

A
Cheapest Retailer
-
$2,233 NZD
A
Retailer 2
-
$2,755 NZD
View
A
Retailer 3
-
$2,760 NZD
View
Retailer 4
-
$2,973 NZD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$3,218 NZD
View
B+
Retailer 6
-
$3,334 NZD
View
B+
Retailer 7
-
$3,424 NZD
View
B+
Retailer 8
-
$3,429 NZD
View
B+
Retailer 9
-
$3,628 NZD
View
B+
Retailer 10
-
$4,043 NZD
View
B
Retailer 11
-
$5,206 NZD
View
Most Expensive
C
NZ Jewellers
f71f03d1-b2ee-4a47-833a-e6b693c13220 · Nov 2
$7,252 NZD
$4,020 USD
View
11 more retailers have this diamond
Prices start from $2,233 NZDSave up to $5,018 NZD

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
$2,233 NZD