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Heart|Natural|HRD

1.51ct J SI1 Heart Natural Diamond

EX • J/SI1 • HRD 260000002109

Certificate HRD 260000002109

Diamond specifications and retailer prices

From $4,602 SGD
As of November 6, 2026
Save $4,511 SGD (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,113 SGD 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 $4,602 to $9,113, a $4,511 spread on the same certified stone. NZ Jewellers lists it at $9,113. 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
Colour
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: $9,113 SGD|Low: $4,425 SGD|High: $9,113 SGD|Avg: $6,132 SGD
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$4,602 SGD
Retailer 3$4,698 SGD
Retailer 9$4,828 SGD
Retailer 4$5,231 SGD
Retailer 5$5,231 SGD
Retailer 10$5,231 SGD
Retailer 6$5,365 SGD
Retailer 2$5,712 SGD
Retailer 12$6,036 SGD
Retailer 8$6,202 SGD
Retailer 13$7,765 SGD
Retailer 7$8,725 SGD
NZ Jewellers$9,113 SGD

38 data points across 13 retailers

13 retailers$4,602 SGD to $9,113 SGD

B+
Cheapest Retailer
-
$4,602 SGD
B+
Retailer 2
-
$4,698 SGD
View
B+
Retailer 3
-
$4,828 SGD
View
Final sale: no returns
B+
Retailer 4
-
$5,231 SGD
View
B+
Retailer 5
-
$5,231 SGD
View
Retailer 6
-
$5,231 SGD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$5,365 SGD
View
B+
Retailer 8
-
$5,420 SGD
View
B
Retailer 9
-
$5,712 SGD
View
B
Retailer 10
-
$6,036 SGD
View
B
Retailer 11
-
$7,765 SGD
View
B
Retailer 12
-
$8,725 SGD
View
Most Expensive
B
NZ Jewellers
905d1090-dd03-421e-8b5a-6a57d51b2cb1 · Nov 5
$9,113 SGD
$7,111 USD
View
12 more retailers have this diamond
Prices start from $4,602 SGDSave up to $4,511 SGD

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
$4,602 SGD