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Round|Natural|GIA

0.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2397485223

Certificate GIA 2397485223

Diamond specifications and retailer prices

From $507 NZD
As of November 6, 2026
Save $516 NZD (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,291 NZD at NZ Jewellers · As of October 26, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2397485223. Listed at 15 retailers as of November 6, 2026, with a 102% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2397485223
Dimensions5.15 × 5.13 × 3.10 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
5.15 mm5.13 mm0.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2397485223
Side View
Table 61.0%Crown 32.5°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 60.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,291 NZD|Low: $579 NZD|High: $2,291 NZD|Avg: $1,054 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$581 NZD
Retailer 2$628 NZD
Retailer 8$642 NZD
Retailer 7$667 NZD
Retailer 9$920 NZD
Retailer 4$980 NZD
Retailer 3$1,023 NZD
Retailer 6$1,384 NZD
NZ Jewellers$2,291 NZD

43 data points across 9 retailers

15 retailers$507 NZD to $1,023 NZD

A
Cheapest Retailer
-
$507 NZD
A
Retailer 2
-
$581 NZD
View
Retailer 3
-
$597 NZD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$628 NZD
View
Retailer 5
-
$631 NZD
View
Price last confirmed 16 days ago
Retailer 6
-
$644 NZD
View
Price last confirmed 12 days ago
Retailer 7
-
$667 NZD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$756 NZD
View
Retailer 9
-
$805 NZD
View
Price last confirmed 10 days ago
Retailer 10
-
$833 NZD
View
Price last confirmed 12 days ago
Retailer 11
-
$920 NZD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$980 NZD
View
B+
Retailer 13
-
$1,023 NZD
View
Retailer 14
-
$1,384 NZD
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
710d5dfe-f343-48a6-8018-a5cc2b709748 · Oct 26
$2,291 NZD
$1,270 USD
View
Price last confirmed 10 days ago
14 more retailers have this diamond
Prices start from $507 NZDSave up to $516 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
$507 NZD