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Heart|Natural|GIA

1.03ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 5526579552

Certificate GIA 5526579552

Diamond specifications and retailer prices

From $2,805 NZD
As of November 4, 2026
Save $695 NZD (20%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,500 NZD at B2C Jewels · As of November 4, 2026
View at B2C Jewels

About this 1.03ct natural heart diamond

This 1.03ct 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 5526579552. Listed at 2 retailers as of November 4, 2026, with prices from $2,805 to $3,500, a $695 spread on the same certified stone. B2C Jewels lists it at $3,500. 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

1.03
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle37.77°
Pavilion angle39.64°
OriginNatural
Grading LabGIA
CertificateGIA 5526579552
Dimensions6.04 × 6.97 × 4.14 mm
L/W Ratio1.15
Top View
6.04 mm6.97 mm1.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5526579552
Side View
Table 60.0%Crown 37.77°Girdle: STK-THKPavilion 39.64°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $3,500 NZD|Low: $2,709 NZD|High: $3,500 NZD|Avg: $3,124 NZD|+6.2%
B2C Jewels
Retailer 2
November 4, 2026
Retailer 2$2,805 NZD
B2C Jewels$3,500 NZD

43 data points across 2 retailers

2 retailers$2,805 NZD to $3,500 NZD

A
Cheapest Retailer
-
$2,805 NZD
Most Expensive
B
B2C Jewels
31282684 · Nov 4
$3,500 NZD
$1,973 USD
View
1 more retailer has this diamond
Prices start from $2,805 NZDSave up to $695 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
1.03ct Heart
$2,805 NZD