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Round|Natural|GIA

1.01ct J SI1 Round Natural Diamond

ID • J/SI1 • GIA 241

Certificate GIA 241

Diamond specifications and retailer prices

From $2,585 NZD
As of November 6, 2026
Save $5,924 NZD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,509 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. Listed at 16 retailers as of November 5, 2026, with prices from $2,585 to $8,509, a $5,924 spread on the same certified stone. NZ Jewellers lists it at $8,509. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 241
Dimensions6.37 × 6.39 × 4.00 mm
L/W Ratio1.00
Top View
6.37 mm6.39 mm1.01 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 241
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.7%

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: $8,509 NZD|Low: $2,585 NZD|High: $8,509 NZD|Avg: $3,703 NZD
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
Retailer 14
Retailer 15
November 6, 2026
Retailer 13$2,585 NZD
Retailer 2$2,623 NZD
Retailer 8$3,220 NZD
Retailer 5$3,307 NZD
Retailer 7$3,326 NZD
Retailer 3$3,343 NZD
Retailer 6$3,391 NZD
Retailer 11$3,489 NZD
Retailer 14$3,563 NZD
Retailer 12$3,649 NZD
Retailer 10$3,821 NZD
Retailer 4$4,252 NZD
Retailer 15$4,277 NZD
Retailer 9$4,412 NZD
NZ Jewellers$8,509 NZD

12 data points across 15 retailers

16 retailers$2,585 NZD to $8,509 NZD

A
Cheapest Retailer
-
$2,585 NZD
A
Retailer 2
-
$2,623 NZD
View
A
Retailer 3
-
$3,220 NZD
View
Final sale: no returns
B+
Retailer 4
-
$3,307 NZD
View
B+
Retailer 5
-
$3,343 NZD
View
Retailer 6
-
$3,391 NZD
View
Price last confirmed 33 days ago
B+
Retailer 7
-
$3,489 NZD
View
B+
Retailer 8
-
$3,489 NZD
View
B+
Retailer 9
-
$3,563 NZD
View
B+
Retailer 10
-
$3,649 NZD
View
B+
Retailer 11
-
$3,803 NZD
View
B+
Retailer 12
-
$3,821 NZD
View
B
Retailer 13
-
$4,252 NZD
View
B
Retailer 14
-
$4,277 NZD
View
B
Retailer 15
-
$4,412 NZD
View
Most Expensive
B
NZ Jewellers
041c6135-2f49-4808-b526-5958b09ce8fb · Nov 5
$8,509 NZD
$4,717 USD
View
15 more retailers have this diamond
Prices start from $2,585 NZDSave up to $5,924 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
$2,585 NZD