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Round|Natural|GIA

1.02ct J IF Round Natural Diamond

EX • J/IF • GIA 2537522178

Certificate GIA 2537522178

Diamond specifications and retailer prices

From $4,120 NZD
As of November 6, 2026
Save $5,250 NZD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,122 NZD at NZ Jewellers · As of September 21, 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 2537522178. Listed at 18 retailers as of November 4, 2026, with a 127% 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
FluorescenceFaint
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2537522178
Dimensions6.45 × 6.41 × 4.02 mm
L/W Ratio1.01
Top View
6.45 mm6.41 mm1.02 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2537522178
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.5%

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: $5,741 NZD|Low: $4,099 NZD|High: $9,649 NZD|Avg: $6,091 NZD|-0.5%
Retailer 1
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
Retailer 16
November 6, 2026
Retailer 16$4,120 NZD
Retailer 2$5,031 NZD
Retailer 4$5,185 NZD
Retailer 14$5,226 NZD
Retailer 12$5,353 NZD
Retailer 3$5,426 NZD
Retailer 8$5,700 NZD
Retailer 1$5,741 NZD
Retailer 15$5,835 NZD
Retailer 7$6,111 NZD
Retailer 6$6,281 NZD
Retailer 9$6,449 NZD
Retailer 11$6,525 NZD
Retailer 10$6,858 NZD
Retailer 5$7,961 NZD
Retailer 13$9,369 NZD

39 data points across 16 retailers

18 retailers$4,120 NZD to $9,369 NZD

A
Cheapest Retailer
-
$4,120 NZD
A
Retailer 2
-
$5,031 NZD
View
B+
Retailer 3
-
$5,185 NZD
View
Final sale: no returns
B+
Retailer 4
-
$5,226 NZD
View
A
Retailer 5
-
$5,353 NZD
View
B+
Retailer 6
-
$5,426 NZD
View
B+
Retailer 7
-
$5,741 NZD
View
B+
Retailer 8
-
$5,835 NZD
View
Retailer 9
-
$6,111 NZD
View
Price last confirmed 33 days ago
B+
Retailer 10
-
$6,281 NZD
View
B+
Retailer 11
-
$6,449 NZD
View
B+
Retailer 12
-
$6,525 NZD
View
Retailer 13
-
$6,577 NZD
View
Price last confirmed 45 days ago
B+
Retailer 14
-
$6,858 NZD
View
B
Retailer 15
-
$7,961 NZD
View
B
Retailer 16
-
$9,369 NZD
View
Retailer 17
-
$9,836 NZD
View
Price last confirmed 31 days ago
Most Expensive
NZ Jewellers
7e37f086-8460-4633-a6b7-bff0c03fbbf7 · Sep 21
$10,122 NZD
$5,690 USD
View
Price last confirmed 45 days ago
17 more retailers have this diamond
Prices start from $4,120 NZDSave up to $5,250 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
$4,120 NZD