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Heart|Natural|HRD

1.02ct K SI1 Heart Natural Diamond

EX • K/SI1 • HRD 250000250388

Certificate HRD 250000250388

Diamond specifications and retailer prices

From $1,441 SGD
As of November 6, 2026
Save $2,145 SGD (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,586 SGD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.02ct natural heart diamond

This 1.02ct 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 250000250388. Listed at 5 retailers as of November 3, 2026, with prices from $1,441 to $3,586, a $2,145 spread on the same certified stone. NZ Jewellers lists it at $3,586. 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

1.02
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.86°
Pavilion angle41.99°
OriginNatural
Grading LabHRD
CertificateHRD 250000250388
Dimensions6.02 × 7.04 × 4.24 mm
L/W Ratio1.17
Girdle conditionMedium
Top View
6.02 mm7.04 mm1.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 250000250388
Side View
Table 59.0%Crown 36.86°GirdlePavilion 41.99°CuletDepth 60.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,586 SGD|Low: $1,369 SGD|High: $3,621 SGD|Avg: $2,077 SGD|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2$1,441 SGD
Retailer 5$1,470 SGD
Retailer 4$1,526 SGD
Retailer 6$1,621 SGD
Retailer 3$2,691 SGD
NZ Jewellers$3,586 SGD

42 data points across 6 retailers

5 retailers$1,441 SGD to $3,586 SGD

A
Cheapest Retailer
-
$1,441 SGD
A
Retailer 2
-
$1,470 SGD
View
B+
Retailer 3
-
$1,526 SGD
View
B
Retailer 4
-
$2,691 SGD
View
Most Expensive
B
NZ Jewellers
ebabe40a-77a4-4d11-a806-4244cf3bcde7 · Nov 3
$3,586 SGD
$2,798 USD
View
4 more retailers have this diamond
Prices start from $1,441 SGDSave up to $2,145 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.

A
1.02ct Heart
$1,441 SGD