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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 $3,308 AUD
As of November 6, 2026
Save $4,216 AUD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,128 AUD 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: $4,610 AUD|Low: $3,291 AUD|High: $7,748 AUD|Avg: $4,891 AUD|-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$3,308 AUD
Retailer 2$4,040 AUD
Retailer 4$4,164 AUD
Retailer 14$4,197 AUD
Retailer 12$4,298 AUD
Retailer 3$4,357 AUD
Retailer 8$4,577 AUD
Retailer 1$4,610 AUD
Retailer 15$4,685 AUD
Retailer 7$4,907 AUD
Retailer 6$5,044 AUD
Retailer 9$5,178 AUD
Retailer 11$5,240 AUD
Retailer 10$5,507 AUD
Retailer 5$6,393 AUD
Retailer 13$7,524 AUD

39 data points across 16 retailers

18 retailers$3,308 AUD to $7,524 AUD

A
Cheapest Retailer
-
$3,308 AUD
A
Retailer 2
-
$4,040 AUD
View
B+
Retailer 3
-
$4,164 AUD
View
Final sale: no returns
B+
Retailer 4
-
$4,197 AUD
View
A
Retailer 5
-
$4,298 AUD
View
B+
Retailer 6
-
$4,357 AUD
View
B+
Retailer 7
-
$4,610 AUD
View
B+
Retailer 8
-
$4,685 AUD
View
Retailer 9
-
$4,907 AUD
View
Price last confirmed 33 days ago
B+
Retailer 10
-
$5,044 AUD
View
B+
Retailer 11
-
$5,178 AUD
View
B+
Retailer 12
-
$5,240 AUD
View
Retailer 13
-
$5,281 AUD
View
Price last confirmed 45 days ago
B+
Retailer 14
-
$5,507 AUD
View
B
Retailer 15
-
$6,393 AUD
View
B
Retailer 16
-
$7,524 AUD
View
Retailer 17
-
$7,898 AUD
View
Price last confirmed 31 days ago
Most Expensive
NZ Jewellers
7e37f086-8460-4633-a6b7-bff0c03fbbf7 · Sep 21
$8,128 AUD
$5,690 USD
View
Price last confirmed 45 days ago
17 more retailers have this diamond
Prices start from $3,308 AUDSave up to $4,216 AUD

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
$3,308 AUD