Round|Natural|GIA

1.02ct J IF Round Natural Diamond

EX • J/IF • GIA 5242085595

Certificate GIA 5242085595

Diamond specifications and retailer prices

From $4,257 NZD
As of November 6, 2026
Save $5,349 NZD (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,325 NZD at NZ Jewellers · As of October 14, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5242085595. Listed at 15 retailers as of November 4, 2026, with a 126% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5242085595
Dimensions6.39 × 6.42 × 3.99 mm
L/W Ratio1.00
Top View
6.39 mm6.42 mm1.02 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242085595
Side View
Table 56.0%CrownGirdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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: $10,133 NZD|Low: $4,257 NZD|High: $10,325 NZD|Avg: $6,769 NZD|-1.9%
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 6, 2026
Retailer 8$4,257 NZD
Retailer 2$5,130 NZD
Retailer 11$5,193 NZD
Retailer 3$5,815 NZD
Retailer 5$5,911 NZD
Retailer 12$6,039 NZD
Retailer 9$6,228 NZD
Retailer 6$6,587 NZD
Retailer 10$6,819 NZD
Retailer 4$8,891 NZD
Retailer 7$9,606 NZD
NZ Jewellers$10,133 NZD

24 data points across 12 retailers

15 retailers$4,257 NZD to $9,606 NZD

A
Cheapest Retailer
-
$4,257 NZD
A
Retailer 2
-
$5,130 NZD
View
A
Retailer 3
-
$5,193 NZD
View
Retailer 4
-
$5,815 NZD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$5,911 NZD
View
Retailer 6
-
$5,926 NZD
View
Price last confirmed 23 days ago
Retailer 7
-
$6,039 NZD
View
Price last confirmed 8 days ago
Retailer 8
-
$6,155 NZD
View
Price last confirmed 22 days ago
B+
Retailer 9
-
$6,228 NZD
View
B+
Retailer 10
-
$6,587 NZD
View
B+
Retailer 11
-
$6,819 NZD
View
Retailer 12
-
$8,891 NZD
View
Price last confirmed 16 days ago
B
Retailer 13
-
$9,606 NZD
View
Retailer 14
-
$10,133 NZD
View
Price last confirmed 10 days ago
Most Expensive
NZ Jewellers
53dc134a-3639-43fc-afbf-9ba16cfb740d · Oct 14
$10,325 NZD
$5,804 USD
View
Price last confirmed 23 days ago
14 more retailers have this diamond
Prices start from $4,257 NZDSave up to $5,349 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
1.02ct Round
$4,257 NZD