Heart|Natural|IGI

1.51ct K IF Heart Natural Diamond

VG • K/IF • IGI 738527953

Shape and cutting style on the report: Heart brilliant

Certificate IGI 738527953

Diamond specifications and retailer prices

From $2,599 USD
As of November 2, 2026
Save $3,424 USD (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,023 USD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI 738527953. Listed at 7 retailers as of November 2, 2026, with prices from $2,599 to $6,023, a $3,424 spread on the same certified stone. NZ Jewellers lists it at $6,023. 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

1.51
Carat
K
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle42.2°
OriginNatural
Grading LabIGI
CertificateIGI 738527953
Dimensions6.83 × 8.07 × 4.88 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Top View
6.83 mm8.07 mm1.51 ctK / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 738527953
Side View
Table 61.0%Crown 36.6°Girdle: MED-THKPavilion 42.2°Culet: NoneDepth 60.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $6,023 USD|Low: $2,599 USD|High: $6,084 USD|Avg: $3,642 USD|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2$2,599 USD
Retailer 3$2,770 USD
Retailer 5$2,881 USD
Retailer 6$2,992 USD
Retailer 7$3,000 USD
Retailer 9$3,457 USD
Retailer 8$3,524 USD
Retailer 4$4,824 USD
NZ Jewellers$6,023 USD

30 data points across 9 retailers

7 retailers$2,599 USD to $6,023 USD

A
Cheapest Retailer
-
$2,599 USD
A
Retailer 2
-
$2,770 USD
View
A
Retailer 3
-
$2,881 USD
View
A
Retailer 4
-
$2,992 USD
View
A
Retailer 5
-
$3,000 USD
View
Retailer 6
-
$4,824 USD
View
Price last confirmed 11 days ago
Most Expensive
B
NZ Jewellers
bafdbc04-4b4b-49f9-a929-0196fa7d27c5 · Nov 3
$6,023 USD
View
6 more retailers have this diamond
Prices start from $2,599 USDSave up to $3,424 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
1.51ct Heart
$2,599 USD