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Heart|Natural|GIA

0.50ct K SI1 Heart Natural Diamond

K/SI1 • GIA 7551383273

Certificate GIA 7551383273

Diamond specifications and retailer prices

From $796 NZD
As of November 5, 2026
Save $2,251 NZD (74%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,047 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.5ct natural heart diamond

This 0.5ct natural heart sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included) and certified by GIA 7551383273. Listed at 5 retailers as of November 5, 2026, with prices from $796 to $3,047, a $2,251 spread on the same certified stone. NZ Jewellers lists it at $3,047. 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

0.50
Carat
K
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 7551383273
Dimensions5.23 × 5.19 × 3.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cavity
Top View
5.23 mm5.19 mm0.50 ctK / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 7551383273
Side View
Table 56.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 60.8%

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 5
Current: $3,047 NZD|Low: $796 NZD|High: $3,047 NZD|Avg: $1,526 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5$796 NZD
Retailer 4$857 NZD
Retailer 2$970 NZD
Retailer 3$1,835 NZD
NZ Jewellers$3,047 NZD

16 data points across 5 retailers

5 retailers$796 NZD to $3,047 NZD

B+
Cheapest Retailer
-
$796 NZD
B+
Retailer 2
-
$857 NZD
View
B+
Retailer 3
-
$970 NZD
View
C
Retailer 4
-
$1,835 NZD
View
Most Expensive
C
NZ Jewellers
100a0dd7-5b94-4a2c-bd74-bb130f8a867e · Nov 5
$3,047 NZD
$1,689 USD
View
4 more retailers have this diamond
Prices start from $796 NZDSave up to $2,251 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.

B+
0.50ct Heart
$796 NZD