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Heart|Natural|HRD

1.21ct E SI2 Heart Natural Diamond

EX • E/SI2 • HRD 250000167661

Certificate HRD 250000167661

Diamond specifications and retailer prices

From $4,193 AUD
$2,945 USD
As of October 30, 2026
Save $4,034 AUD (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,227 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 250000167661. Listed at 8 retailers as of October 30, 2026, with prices from $4,193 to $8,227, a $4,034 spread on the same certified stone. NZ Jewellers lists it at $8,227. 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

1.21
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle41.23°
Pavilion angle39.46°
OriginNatural
Grading LabHRD
CertificateHRD 250000167661
Dimensions7.32 × 6.45 × 4.37 mm
L/W Ratio1.13
Culet sizePointed
Top View
7.32 mm6.45 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateHRD 250000167661
Side View
Table 59.0%Crown 41.23°Girdle: MediumPavilion 39.46°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $8,227 AUD|Low: $3,263 AUD|High: $8,227 AUD|Avg: $5,251 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3$3,263 AUD
Retailer 10$4,193 AUD
Retailer 7$4,358 AUD
Retailer 2$4,722 AUD
Retailer 8$4,722 AUD
Retailer 5$4,904 AUD
Retailer 9$4,927 AUD
Retailer 11$5,233 AUD
Retailer 6$5,450 AUD
Retailer 4$7,941 AUD
NZ Jewellers$8,227 AUD

17 data points across 11 retailers

8 retailers$4,193 AUD to $8,227 AUD

B+
Cheapest Retailer
-
$4,193 AUD
$2,945 USD
B+
Retailer 2
-
$4,358 AUD
$3,061 USD
View
Final sale: no returns
B+
Retailer 3
-
$4,722 AUD
$3,317 USD
View
B
Retailer 4
-
$4,904 AUD
$3,445 USD
View
B
Retailer 5
-
$4,927 AUD
$3,461 USD
View
B
Retailer 6
-
$5,450 AUD
$3,828 USD
View
B
Retailer 7
-
$7,941 AUD
£4,392 GBP
View
Most Expensive
B
NZ Jewellers
08478335-56c5-466c-9b21-076fcfcc9f3e · Oct 30
$8,227 AUD
$5,779 USD
View
7 more retailers have this diamond
Prices start from $4,193 AUDSave up to $4,034 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.

B+
1.21ct Heart
$4,193 AUD