Round|Natural|GIA

0.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7398147226

Certificate GIA 7398147226

Diamond specifications and retailer prices

From $630 NZD
As of November 6, 2026
Save $1,364 NZD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,316 NZD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7398147226. Listed at 19 retailers as of November 4, 2026, with a 217% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7398147226
Dimensions5.08 × 5.05 × 3.16 mm
L/W Ratio1.01
Top View
5.08 mm5.05 mm0.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7398147226
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.3%

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: $3,316 NZD|Low: $630 NZD|High: $3,316 NZD|Avg: $1,438 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$630 NZD
Retailer 8$872 NZD
Retailer 4$900 NZD
Retailer 6$1,058 NZD
Retailer 3$1,112 NZD
Retailer 5$1,167 NZD
Retailer 10$1,227 NZD
Retailer 7$1,341 NZD
Retailer 9$1,994 NZD
NZ Jewellers$3,316 NZD

35 data points across 10 retailers

19 retailers$630 NZD to $1,994 NZD

A
Cheapest Retailer
-
$630 NZD
A
Retailer 2
-
$818 NZD
View
A
Retailer 3
-
$865 NZD
View
Retailer 4
-
$865 NZD
View
Price last confirmed 43 days ago
A
Retailer 5
-
$872 NZD
View
B+
Retailer 6
-
$900 NZD
View
B+
Retailer 7
-
$932 NZD
View
Retailer 8
-
$932 NZD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$998 NZD
View
Retailer 10
-
$998 NZD
View
Price last confirmed 45 days ago
B+
Retailer 11
-
$1,058 NZD
View
B+
Retailer 12
-
$1,112 NZD
View
B+
Retailer 13
-
$1,128 NZD
View
B+
Retailer 14
-
$1,167 NZD
View
B
Retailer 15
-
$1,227 NZD
View
B+
Retailer 16
-
$1,341 NZD
View
B
Retailer 17
-
$1,994 NZD
View
Retailer 18
-
$3,316 NZD
View
Price under review
Most Expensive
NZ Jewellers
9570dfb4-41ea-49e6-8f3a-bc9b883c8020 · Nov 4
$3,316 NZD
$1,864 USD
View
Price under review
18 more retailers have this diamond
Prices start from $630 NZDSave up to $1,364 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
0.50ct Round
$630 NZD