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Oval|Natural|GIA

0.50ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 2556170083

Certificate GIA 2556170083

Diamond specifications and retailer prices

From $767 NZD
As of November 6, 2026
Save $2,423 NZD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,189 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556170083. Listed at 14 retailers as of November 5, 2026, with prices from $767 to $3,189, a $2,423 spread on the same certified stone. NZ Jewellers lists it at $3,189. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556170083
Dimensions6.37 × 4.26 × 2.76 mm
L/W Ratio1.50
Top View
6.37 mm4.26 mm0.50 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556170083
Side View
Table 60.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 64.9%

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: $3,189 NZD|Low: $608 NZD|High: $3,189 NZD|Avg: $1,151 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11$612 NZD
Retailer 3$767 NZD
Retailer 9$832 NZD
Retailer 8$897 NZD
Retailer 12$897 NZD
Retailer 4$960 NZD
Retailer 10$960 NZD
Retailer 2$989 NZD
Retailer 6$1,019 NZD
Retailer 5$1,250 NZD
Retailer 7$1,919 NZD
NZ Jewellers$3,189 NZD

39 data points across 12 retailers

14 retailers$767 NZD to $3,189 NZD

Retailer 1
-
$612 NZD
Price last confirmed 11 days ago
B+
Retailer 2
-
$767 NZD
View
Final sale: no returns
A
Retailer 3
-
$832 NZD
View
Retailer 4
-
$897 NZD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$897 NZD
View
B+
Retailer 6
-
$960 NZD
View
B+
Retailer 7
-
$960 NZD
View
A
Retailer 8
-
$989 NZD
View
B+
Retailer 9
-
$1,019 NZD
View
B+
Retailer 10
-
$1,068 NZD
View
B+
Retailer 11
-
$1,070 NZD
View
B+
Retailer 12
-
$1,250 NZD
View
B
Retailer 13
-
$1,919 NZD
View
Most Expensive
C
NZ Jewellers
1c4df564-dc5d-4bf6-888b-633e7d810e38 · Nov 5
$3,189 NZD
$1,768 USD
View
13 more retailers have this diamond
Prices start from $767 NZDSave up to $2,423 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
$767 NZD