Heart|Natural|GIA

1.06ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 2558523931

Certificate GIA 2558523931

Diamond specifications and retailer prices

From $1,471 USD
As of November 4, 2026
Save $303 USD (17%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,774 USD 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 $1,471 to $1,774, a $303 spread on the same certified stone. Blue Nile lists it at $1,774. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,774 USD|Low: $1,375 USD|High: $2,032 USD|Avg: $1,644 USD|-12.7%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 4$1,471 USD
Retailer 3$1,479 USD
Retailer 5$1,492 USD
Retailer 2$1,608 USD
Retailer 6$1,668 USD
Blue Nile$1,774 USD

41 data points across 6 retailers

6 retailers$1,471 USD to $1,774 USD

A
Cheapest Retailer
-
$1,471 USD
Final sale: no returns
A
Retailer 2
-
$1,479 USD
View
A
Retailer 3
-
$1,492 USD
View
A
Retailer 4
-
$1,608 USD
View
B+
Retailer 5
-
$1,668 USD
View
Most Expensive
B+
Blue Nile
29431329 · Nov 5
$1,774 USD
View
5 more retailers have this diamond
Prices start from $1,471 USDSave up to $303 USD

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
$1,471 USD