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Round|Natural|GIA

1.01ct J I1 Round Natural Diamond

EX • J/I1 • GIA 1428596008

Certificate GIA 1428596008

Diamond specifications and retailer prices

From $3,367 NZD
HK$14,800 HKD
As of November 1, 2026
Save $6,026 NZD (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,393 NZD at NZ Jewellers · As of October 30, 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 1428596008. Listed at 12 retailers as of October 30, 2026, with prices from $3,367 to $9,393, a $6,026 spread on the same certified stone. NZ Jewellers lists it at $9,393. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1428596008
Dimensions6.44 × 6.40 × 4.03 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.44 mm6.40 mm1.01 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1428596008
Side View
Table 58.0%Crown 34°Girdle: THN-STKPavilion 41.8°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $9,393 NZD|Low: $3,344 NZD|High: $9,393 NZD|Avg: $4,876 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
November 1, 2026
Retailer 5$3,367 NZD
Retailer 6$3,608 NZD
Retailer 8$3,665 NZD
Retailer 3$3,675 NZD
Retailer 9$4,070 NZD
Retailer 11$4,070 NZD
Retailer 7$4,258 NZD
Retailer 10$4,696 NZD
Retailer 12$5,346 NZD
Retailer 2$5,585 NZD
Retailer 4$6,416 NZD
NZ Jewellers$9,393 NZD

21 data points across 12 retailers

12 retailers$3,367 NZD to $9,393 NZD

B
Cheapest Retailer
-
$3,367 NZD
HK$14,800 HKD
B+
Retailer 2
-
$3,608 NZD
$2,030 USD
View
B
Retailer 3
-
$3,665 NZD
$2,062 USD
View
B
Retailer 4
-
$4,070 NZD
$2,290 USD
View
B
Retailer 5
-
$4,070 NZD
$2,290 USD
View
B
Retailer 6
-
$4,258 NZD
$2,396 USD
View
B
Retailer 7
-
$4,692 NZD
$2,640 USD
View
B
Retailer 8
-
$4,692 NZD
$2,640 USD
View
B
Retailer 9
-
$4,696 NZD
$2,642 USD
View
B
Retailer 10
-
$4,852 NZD
$2,730 USD
View
B
Retailer 11
-
$5,585 NZD
€2,993 EUR
View
Most Expensive
C
NZ Jewellers
d52a9336-0c1b-4430-8172-acecc6e6331a · Oct 30
$9,393 NZD
$5,285 USD
View
11 more retailers have this diamond
Prices start from $3,367 NZDSave up to $6,026 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.

B+
1.01ct Round
$3,367 NZD