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Heart|Natural|IGI

1.30ct K SI1 Heart Natural Diamond

VG • K/SI1 • IGI 734534568

Shape and cutting style on the report: Heart brilliant

Certificate IGI 734534568

Diamond specifications and retailer prices

From $1,258 USD
As of November 2, 2026
Save $1,890 USD (60%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,148 USD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.3ct natural heart diamond

This 1.3ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 734534568. Listed at 6 retailers as of November 2, 2026, with prices from $1,258 to $3,148, a $1,890 spread on the same certified stone. NZ Jewellers lists it at $3,148. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.30
Carat
K
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.1°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 734534568
Dimensions6.77 × 7.56 × 4.48 mm
L/W Ratio1.12
Girdle conditionFaceted
Top View
6.77 mm7.56 mm1.30 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 734534568
Side View
Table 57.0%Crown 33.1°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 59.3%

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 2
Current: $3,148 USD|Low: $1,258 USD|High: $3,196 USD|Avg: $1,745 USD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 3$1,258 USD
Retailer 2$1,290 USD
Retailer 6$1,290 USD
Retailer 5$1,340 USD
Retailer 7$1,395 USD
Retailer 8$1,542 USD
Retailer 4$2,363 USD
NZ Jewellers$3,148 USD

31 data points across 8 retailers

6 retailers$1,258 USD to $3,148 USD

A
Cheapest Retailer
-
$1,258 USD
A
Retailer 2
-
$1,290 USD
View
A
Retailer 3
-
$1,290 USD
View
A
Retailer 4
-
$1,340 USD
View
B+
Retailer 5
-
$2,363 USD
View
Most Expensive
B
NZ Jewellers
c038d9e1-dbc3-4d73-9903-69f170676316 · Nov 3
$3,148 USD
View
5 more retailers have this diamond
Prices start from $1,258 USDSave up to $1,890 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
1.30ct Heart
$1,258 USD