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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 $4,047 NZD
As of November 1, 2026
Save $962 NZD (19%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,009 NZD 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 $4,047 to $5,009, a $962 spread on the same certified stone. Blue Nile lists it at $5,009. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,009 NZD|Low: $3,736 NZD|High: $5,575 NZD|Avg: $4,552 NZD|-10.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 3$4,047 NZD
Retailer 4$4,182 NZD
Retailer 6$4,234 NZD
Retailer 7$4,289 NZD
Retailer 2$4,508 NZD
Retailer 5$4,810 NZD
Blue Nile$5,009 NZD

37 data points across 7 retailers

6 retailers$4,047 NZD to $5,009 NZD

A
Cheapest Retailer
-
$4,047 NZD
A
Retailer 2
-
$4,182 NZD
View
A
Retailer 3
-
$4,289 NZD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$4,508 NZD
View
A
Retailer 5
-
$4,810 NZD
View
Most Expensive
B+
Blue Nile
28271439 · Nov 3
$5,009 NZD
$2,816 USD
View
5 more retailers have this diamond
Prices start from $4,047 NZDSave up to $962 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
$4,047 NZD