Heart|Natural|HRD

1.02ct K SI1 Heart Natural Diamond

EX • K/SI1 • HRD 250000250388

Certificate HRD 250000250388

Diamond specifications and retailer prices

From $1,124 USD
As of November 6, 2026
Save $1,674 USD (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,798 USD 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 $1,124 to $2,798, a $1,674 spread on the same certified stone. NZ Jewellers lists it at $2,798. 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
Color
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: $2,798 USD|Low: $1,068 USD|High: $2,825 USD|Avg: $1,621 USD|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2$1,124 USD
Retailer 5$1,147 USD
Retailer 4$1,191 USD
Retailer 6$1,265 USD
Retailer 3$2,100 USD
NZ Jewellers$2,798 USD

42 data points across 6 retailers

5 retailers$1,124 USD to $2,798 USD

A
Cheapest Retailer
-
$1,124 USD
A
Retailer 2
-
$1,147 USD
View
B+
Retailer 3
-
$1,191 USD
View
B
Retailer 4
-
$2,100 USD
View
Most Expensive
B
NZ Jewellers
ebabe40a-77a4-4d11-a806-4244cf3bcde7 · Nov 3
$2,798 USD
View
4 more retailers have this diamond
Prices start from $1,124 USDSave up to $1,674 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.

A
1.02ct Heart
$1,124 USD