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Heart|Natural|IGI

1.00ct K SI1 Heart Natural Diamond

GD • K/SI1 • IGI 569314122

Shape and cutting style on the report: Heart brilliant

Certificate IGI 569314122

Diamond specifications and retailer prices

From $1,217 USD
As of November 4, 2026
Save $1,987 USD (62%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,204 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI 569314122. Listed at 12 retailers as of November 4, 2026, with prices from $1,217 to $3,204, a $1,987 spread on the same certified stone. NZ Jewellers lists it at $3,204. 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

1.00
Carat
K
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle38.7°
Pavilion angle34.7°
OriginNatural
Grading LabIGI
CertificateIGI 569314122
Dimensions5.47 × 6.77 × 3.97 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Brown
Top View
5.47 mm6.77 mm1.00 ctK / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 569314122
Side View
Table 56.0%Crown 38.7°Girdle: VTK-ETKPavilion 34.7°Culet: NoneDepth 58.6%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $3,204 USD|Low: $1,186 USD|High: $3,204 USD|Avg: $1,612 USD|+6.1%
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 13$1,217 USD
Retailer 2$1,274 USD
Retailer 9$1,314 USD
Retailer 11$1,314 USD
Retailer 10$1,374 USD
Retailer 3$1,390 USD
Retailer 12$1,425 USD
Retailer 6$1,510 USD
Retailer 4$1,516 USD
Retailer 7$1,603 USD
Retailer 5$1,685 USD
Retailer 8$2,400 USD
NZ Jewellers$3,204 USD

31 data points across 13 retailers

12 retailers$1,217 USD to $3,204 USD

B+
Cheapest Retailer
-
$1,217 USD
B+
Retailer 2
-
$1,274 USD
View
B+
Retailer 3
-
$1,314 USD
View
Retailer 4
-
$1,314 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$1,374 USD
View
B+
Retailer 6
-
$1,390 USD
View
B+
Retailer 7
-
$1,425 USD
View
B+
Retailer 8
-
$1,510 USD
View
B+
Retailer 9
-
$1,516 USD
View
B
Retailer 10
-
$1,603 USD
View
B
Retailer 11
-
$2,400 USD
View
Most Expensive
C
NZ Jewellers
d45b50d3-fb9b-4f1a-91c6-4344749663fc · Nov 5
$3,204 USD
View
11 more retailers have this diamond
Prices start from $1,217 USDSave up to $1,987 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+
1.00ct Heart
$1,217 USD