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Round|Natural|GIA

1.01ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1528594271

Certificate GIA 1528594271

Diamond specifications and retailer prices

From $3,301 NZD
As of November 6, 2026
Save $5,794 NZD (64%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $9,095 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct 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 GIA 1528594271. Listed at 24 retailers as of November 5, 2026, with prices from $3,301 to $9,095, a $5,794 spread on the same certified stone. NZ Jewellers lists it at $9,095. 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

1.01
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1528594271
Dimensions6.43 × 6.47 × 4.00 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.43 mm6.47 mm1.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1528594271
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.0%

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 6
Current: $9,095 NZD|Low: $3,180 NZD|High: $9,095 NZD|Avg: $4,551 NZD
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 5
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Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
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Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
November 6, 2026
Retailer 3$3,301 NZD
Retailer 11$3,523 NZD
Retailer 7$3,561 NZD
Retailer 6$3,638 NZD
Retailer 14$3,651 NZD
Retailer 15$3,687 NZD
Retailer 5$3,803 NZD
Retailer 10$3,942 NZD
Retailer 16$3,942 NZD
Retailer 17$3,969 NZD
Retailer 21$4,102 NZD
Retailer 27$4,124 NZD
Retailer 18$4,264 NZD
Retailer 19$4,295 NZD
Retailer 9$4,315 NZD
Retailer 2$4,546 NZD
Retailer 4$4,548 NZD
Retailer 8$4,564 NZD
Retailer 24$4,578 NZD
Retailer 13$4,708 NZD
Retailer 12$5,036 NZD
Retailer 22$5,049 NZD
Retailer 23$5,309 NZD
Retailer 26$5,316 NZD
Retailer 20$6,812 NZD
Retailer 25$7,600 NZD
NZ Jewellers$9,095 NZD

8 data points across 27 retailers

24 retailers$3,301 NZD to $9,095 NZD

A
Cheapest Retailer
-
$3,301 NZD
Retailer 2
-
$3,523 NZD
View
Price last confirmed 11 days ago
B+
Retailer 3
-
$3,561 NZD
View
B+
Retailer 4
-
$3,638 NZD
View
Final sale: no returns
B+
Retailer 5
-
$3,651 NZD
View
B+
Retailer 6
-
$3,687 NZD
View
B+
Retailer 7
-
$3,803 NZD
View
Retailer 8
-
$3,942 NZD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$3,942 NZD
View
B+
Retailer 10
-
$3,969 NZD
View
B+
Retailer 11
-
$4,102 NZD
View
B+
Retailer 12
-
$4,124 NZD
View
B
Retailer 13
-
$4,315 NZD
View
B+
Retailer 14
-
$4,546 NZD
View
B+
Retailer 15
-
$4,548 NZD
View
B+
Retailer 16
-
$4,564 NZD
View
B+
Retailer 17
-
$4,578 NZD
View
B
Retailer 18
-
$4,708 NZD
View
B
Retailer 19
-
$5,036 NZD
View
B
Retailer 20
-
$5,049 NZD
View
B
Retailer 21
-
$5,309 NZD
View
B
Retailer 22
-
$5,316 NZD
View
B
Retailer 23
-
$7,600 NZD
View
Most Expensive
B
NZ Jewellers
336cb102-bcce-4bca-b4e7-26d504e3e72e · Nov 5
$9,095 NZD
$5,042 USD
View
23 more retailers have this diamond
Prices start from $3,301 NZDSave up to $5,794 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
1.01ct Round
$3,301 NZD