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Heart|Natural|IGI

1.23ct K SI2 Heart Natural Diamond

VG • K/SI2 • IGI 762534888

Shape and cutting style on the report: Heart brilliant

Certificate IGI 762534888

Diamond specifications and retailer prices

From $2,358 NZD
As of November 6, 2026
Save $2,150 NZD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,483 NZD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.23ct natural heart diamond

This 1.23ct natural heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 762534888. Listed at 10 retailers as of November 4, 2026, with a 91% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.23
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle38.8°
OriginNatural
Grading LabIGI
CertificateIGI 762534888
Dimensions6.38 × 7.44 × 4.39 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Top View
6.38 mm7.44 mm1.23 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 762534888
Side View
Table 61.0%Crown 35.5°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 59.0%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $2,358 NZD|Low: $2,358 NZD|High: $4,712 NZD|Avg: $2,955 NZD|-4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$2,358 NZD
Retailer 8$2,365 NZD
Retailer 6$2,659 NZD
Retailer 5$2,690 NZD
Retailer 4$2,708 NZD
Retailer 2$2,785 NZD
Retailer 7$3,162 NZD
Retailer 3$4,508 NZD

12 data points across 8 retailers

10 retailers$2,358 NZD to $4,508 NZD

A
Cheapest Retailer
-
$2,358 NZD
Retailer 2
-
$2,657 NZD
View
Price last confirmed 36 days ago
B+
Retailer 3
-
$2,690 NZD
View
B+
Retailer 4
-
$2,708 NZD
View
Retailer 5
-
$2,782 NZD
View
Price last confirmed 36 days ago
B+
Retailer 6
-
$2,785 NZD
View
Retailer 7
-
$3,067 NZD
View
Price last confirmed 61 days ago
Retailer 8
-
$3,067 NZD
View
Price last confirmed 38 days ago
B
Retailer 9
-
$4,508 NZD
View
Most Expensive
NZ Jewellers
e59dba1f-eac7-4779-a68e-5f506d9aeab4 · Sep 30
$6,483 NZD
$3,594 USD
View
Price last confirmed 37 days ago
9 more retailers have this diamond
Prices start from $2,358 NZDSave up to $2,150 NZD

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
1.23ct Heart
$2,358 NZD