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Round|Natural|GIA

1.02ct J IF Round Natural Diamond

EX • J/IF • GIA 1549645877

Certificate GIA 1549645877

Diamond specifications and retailer prices

From $3,250 AUD
As of November 1, 2026
Save $773 AUD (19%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,023 AUD at Blue Nile · As of November 3, 2026
View at Blue Nile

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 1549645877. Listed at 6 retailers as of November 1, 2026, with prices from $3,250 to $4,023, a $773 spread on the same certified stone. Blue Nile lists it at $4,023. 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
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1549645877
Dimensions6.37 × 6.42 × 4.01 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.37 mm6.42 mm1.02 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1549645877
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $4,023 AUD|Low: $3,000 AUD|High: $4,477 AUD|Avg: $3,655 AUD|-10.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 3$3,250 AUD
Retailer 4$3,358 AUD
Retailer 6$3,400 AUD
Retailer 7$3,444 AUD
Retailer 2$3,620 AUD
Retailer 5$3,863 AUD
Blue Nile$4,023 AUD

37 data points across 7 retailers

6 retailers$3,250 AUD to $4,023 AUD

A
Cheapest Retailer
-
$3,250 AUD
A
Retailer 2
-
$3,358 AUD
View
A
Retailer 3
-
$3,444 AUD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$3,620 AUD
View
A
Retailer 5
-
$3,863 AUD
View
Most Expensive
B+
Blue Nile
28271439 · Nov 3
$4,023 AUD
$2,816 USD
View
5 more retailers have this diamond
Prices start from $3,250 AUDSave up to $773 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
$3,250 AUD