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Heart|Natural|GIA

1.06ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 2558523931

Certificate GIA 2558523931

Diamond specifications and retailer prices

From $2,610 NZD
As of November 4, 2026
Save $538 NZD (17%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,147 NZD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.06ct natural heart diamond

This 1.06ct natural heart sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2558523931. Listed at 6 retailers as of November 4, 2026, with prices from $2,610 to $3,147, a $538 spread on the same certified stone. Blue Nile lists it at $3,147. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.06
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558523931
Dimensions6.13 × 7.21 × 4.25 mm
L/W Ratio1.18
Culet sizeNone
Key to symbols
Twinning Wisp, Indented Natural
Top View
6.13 mm7.21 mm1.06 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558523931
Side View
Table 53.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.0%

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 4
Current: $3,147 NZD|Low: $2,439 NZD|High: $3,605 NZD|Avg: $2,917 NZD|-12.7%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 4$2,610 NZD
Retailer 3$2,624 NZD
Retailer 5$2,647 NZD
Retailer 2$2,853 NZD
Retailer 6$2,959 NZD
Blue Nile$3,147 NZD

41 data points across 6 retailers

6 retailers$2,610 NZD to $3,147 NZD

A
Cheapest Retailer
-
$2,610 NZD
Final sale: no returns
A
Retailer 2
-
$2,624 NZD
View
A
Retailer 3
-
$2,647 NZD
View
A
Retailer 4
-
$2,853 NZD
View
B+
Retailer 5
-
$2,959 NZD
View
Most Expensive
B+
Blue Nile
29431329 · Nov 5
$3,147 NZD
$1,774 USD
View
5 more retailers have this diamond
Prices start from $2,610 NZDSave up to $538 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
1.06ct Heart
$2,610 NZD