Heart|Natural|GIA

0.50ct K SI1 Heart Natural Diamond

K/SI1 • GIA 7551383273

Certificate GIA 7551383273

Diamond specifications and retailer prices

From $441 USD
As of November 5, 2026
Save $1,248 USD (74%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,689 USD 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 $441 to $1,689, a $1,248 spread on the same certified stone. NZ Jewellers lists it at $1,689. 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
Color
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: $1,689 USD|Low: $441 USD|High: $1,689 USD|Avg: $846 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5$441 USD
Retailer 4$475 USD
Retailer 2$538 USD
Retailer 3$1,017 USD
NZ Jewellers$1,689 USD

16 data points across 5 retailers

5 retailers$441 USD to $1,689 USD

B+
Cheapest Retailer
-
$441 USD
B+
Retailer 2
-
$475 USD
View
B+
Retailer 3
-
$538 USD
View
C
Retailer 4
-
$1,017 USD
View
Most Expensive
C
NZ Jewellers
100a0dd7-5b94-4a2c-bd74-bb130f8a867e · Nov 5
$1,689 USD
View
4 more retailers have this diamond
Prices start from $441 USDSave up to $1,248 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+
0.50ct Heart
$441 USD