Heart|Natural|HRD

1.51ct J SI1 Heart Natural Diamond

EX • J/SI1 • HRD 260000002109

Certificate HRD 260000002109

Diamond specifications and retailer prices

From $3,591 USD
As of November 6, 2026
Save $3,520 USD (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,111 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two 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 HRD 260000002109. Listed at 13 retailers as of November 5, 2026, with prices from $3,591 to $7,111, a $3,520 spread on the same certified stone. NZ Jewellers lists it at $7,111. 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

1.51
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle37.25°
Pavilion angle40.11°
OriginNatural
Grading LabHRD
CertificateHRD 260000002109
Dimensions7.27 × 8.09 × 4.57 mm
L/W Ratio1.11
Girdle conditionThin
Top View
7.27 mm8.09 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateHRD 260000002109
Side View
Table 60.0%Crown 37.25°Girdle: ThinPavilion 40.11°Culet: NoneDepth 56.5%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $7,111 USD|Low: $3,453 USD|High: $7,111 USD|Avg: $4,794 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 11$3,591 USD
Retailer 3$3,666 USD
Retailer 9$3,767 USD
Retailer 4$4,082 USD
Retailer 5$4,082 USD
Retailer 10$4,082 USD
Retailer 6$4,186 USD
Retailer 2$4,457 USD
Retailer 12$4,710 USD
Retailer 8$4,839 USD
Retailer 13$6,059 USD
Retailer 7$6,808 USD
NZ Jewellers$7,111 USD

39 data points across 13 retailers

13 retailers$3,591 USD to $7,111 USD

B+
Cheapest Retailer
-
$3,591 USD
B+
Retailer 2
-
$3,666 USD
View
B+
Retailer 3
-
$3,767 USD
View
Final sale: no returns
B+
Retailer 4
-
$4,082 USD
View
B+
Retailer 5
-
$4,082 USD
View
Retailer 6
-
$4,082 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$4,186 USD
View
B+
Retailer 8
-
$4,229 USD
View
B
Retailer 9
-
$4,457 USD
View
B
Retailer 10
-
$4,710 USD
View
B
Retailer 11
-
$6,059 USD
View
B
Retailer 12
-
$6,808 USD
View
Most Expensive
B
NZ Jewellers
905d1090-dd03-421e-8b5a-6a57d51b2cb1 · Nov 5
$7,111 USD
View
12 more retailers have this diamond
Prices start from $3,591 USDSave up to $3,520 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.

B+
1.51ct Heart
$3,591 USD