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Heart|Natural|GIA

1.05ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 2567551528

Certificate GIA 2567551528

Diamond specifications and retailer prices

From $2,787 NZD
As of November 4, 2026
Save $571 NZD (17%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,358 NZD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.05ct natural heart diamond

This 1.05ct 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 2567551528. Listed at 4 retailers as of November 4, 2026, with prices from $2,787 to $3,358, a $571 spread on the same certified stone. Blue Nile lists it at $3,358. 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

1.05
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2567551528
Dimensions6.08 × 7.18 × 4.22 mm
L/W Ratio1.18
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Cloud, Feather, Indented Natural
Top View
6.08 mm7.18 mm1.05 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567551528
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.7%

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 4
Current: $3,358 NZD|Low: $2,787 NZD|High: $3,422 NZD|Avg: $3,125 NZD|-1.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 3$2,787 NZD
Retailer 2$3,051 NZD
Retailer 4$3,159 NZD
Blue Nile$3,358 NZD

25 data points across 4 retailers

4 retailers$2,787 NZD to $3,358 NZD

A
Cheapest Retailer
-
$2,787 NZD
B+
Retailer 2
-
$3,051 NZD
View
B+
Retailer 3
-
$3,159 NZD
View
Most Expensive
B+
Blue Nile
30374633 · Nov 5
$3,358 NZD
$1,893 USD
View
3 more retailers have this diamond
Prices start from $2,787 NZDSave up to $571 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
1.05ct Heart
$2,787 NZD