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Heart|Natural|HRD

1.04ct K SI1 Heart Natural Diamond

EX • K/SI1 • HRD 250000250401

Certificate HRD 250000250401

Diamond specifications and retailer prices

From $1,630 AUD
As of November 5, 2026
Save $2,431 AUD (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,061 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.04ct natural heart diamond

This 1.04ct natural heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 250000250401. Listed at 5 retailers as of November 3, 2026, with prices from $1,630 to $4,061, a $2,431 spread on the same certified stone. NZ Jewellers lists it at $4,061. 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

1.04
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.06°
OriginNatural
Grading LabHRD
CertificateHRD 250000250401
Dimensions6.58 × 7.25 × 3.99 mm
L/W Ratio1.10
Girdle conditionMedium
Top View
6.58 mm7.25 mm1.04 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 250000250401
Side View
Table 62.0%Crown 33°GirdlePavilion 40.06°CuletDepth 55.0%

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 5
Current: $4,061 AUD|Low: $1,630 AUD|High: $4,101 AUD|Avg: $2,394 AUD|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 5$1,630 AUD
Retailer 3$1,665 AUD
Retailer 4$1,729 AUD
Retailer 6$2,170 AUD
Retailer 7$2,243 AUD
Retailer 2$3,049 AUD
NZ Jewellers$4,061 AUD

12 data points across 7 retailers

5 retailers$1,630 AUD to $4,061 AUD

A
Cheapest Retailer
-
$1,630 AUD
A
Retailer 2
-
$1,665 AUD
View
B+
Retailer 3
-
$1,729 AUD
View
B
Retailer 4
-
$3,049 AUD
View
Most Expensive
B
NZ Jewellers
91efdb34-83f4-41b2-97f8-d848fdecd910 · Nov 3
$4,061 AUD
$2,790 USD
View
4 more retailers have this diamond
Prices start from $1,630 AUDSave up to $2,431 AUD

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
1.04ct Heart
$1,630 AUD