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Oval|Natural|GIA

0.50ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 7531758621

Certificate GIA 7531758621

Diamond specifications and retailer prices

From $554 NZD
As of November 6, 2026
Save $1,923 NZD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,477 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.5ct natural oval diamond

This 0.5ct natural oval 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 stated by the retailer rather than the lab and certified by GIA 7531758621. Listed at 8 retailers as of November 5, 2026, with prices from $554 to $2,477, a $1,923 spread on the same certified stone. NZ Jewellers lists it at $2,477. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7531758621
Dimensions6.28 × 4.49 × 2.75 mm
L/W Ratio1.40
Key to symbols
Feather
Top View
6.28 mm4.49 mm0.50 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 7531758621
Side View
Table 62.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 61.4%

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: $2,477 NZD|Low: $554 NZD|High: $2,477 NZD|Avg: $1,112 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$554 NZD
Retailer 4$682 NZD
Retailer 2$767 NZD
Retailer 5$830 NZD
Retailer 7$882 NZD
Retailer 3$1,183 NZD
Retailer 6$1,494 NZD
NZ Jewellers$2,477 NZD

45 data points across 8 retailers

8 retailers$554 NZD to $2,477 NZD

A
Cheapest Retailer
-
$554 NZD
B+
Retailer 2
-
$682 NZD
View
A
Retailer 3
-
$767 NZD
View
B+
Retailer 4
-
$830 NZD
View
B+
Retailer 5
-
$882 NZD
View
B
Retailer 6
-
$1,183 NZD
View
B
Retailer 7
-
$1,494 NZD
View
Most Expensive
C
NZ Jewellers
c081d40f-be8e-454d-8ab1-6e7dc932f9c6 · Nov 5
$2,477 NZD
$1,373 USD
View
7 more retailers have this diamond
Prices start from $554 NZDSave up to $1,923 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 Oval
$554 NZD