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Oval|Natural|GIA

0.50ct I SI1 Oval Natural Diamond

GD • I/SI1 • GIA 6551867924

Certificate GIA 6551867924

Diamond specifications and retailer prices

From $820 NZD
$462 USD
As of November 2, 2026
Save $1,900 NZD (70%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,694 NZD at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6551867924. Listed at 18 retailers as of November 1, 2026, with a 232% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6551867924
Dimensions6.43 × 4.33 × 2.79 mm
L/W Ratio1.48
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.43 mm4.33 mm0.50 ctI / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryGood
FluorescenceMedium
CertificateGIA 6551867924
Side View
Table 55.0%CrownGirdle: STK-VTKPavilionCulet: NDepth 64.6%

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 2
Current: $1,578 NZD|Low: $820 NZD|High: $3,380 NZD|Avg: $1,591 NZD|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 16$820 NZD
Retailer 12$1,066 NZD
Retailer 2$1,082 NZD
Retailer 5$1,102 NZD
Retailer 3$1,150 NZD
Retailer 8$1,304 NZD
Retailer 7$1,354 NZD
Retailer 14$1,402 NZD
Retailer 4$1,408 NZD
Retailer 10$1,446 NZD
Retailer 9$1,452 NZD
Retailer 1$1,578 NZD
Retailer 15$1,639 NZD
Retailer 13$1,818 NZD
Retailer 11$2,720 NZD
Retailer 6$3,380 NZD

26 data points across 16 retailers

18 retailers$820 NZD to $2,720 NZD

B+
Cheapest Retailer
-
$820 NZD
$462 USD
Final sale: no returns
B+
Retailer 2
-
$1,066 NZD
$601 USD
View
B+
Retailer 3
-
$1,082 NZD
$610 USD
View
B+
Retailer 4
-
$1,102 NZD
$621 USD
View
B
Retailer 5
-
$1,150 NZD
$648 USD
View
B
Retailer 6
-
$1,231 NZD
$694 USD
View
B
Retailer 7
-
$1,304 NZD
$735 USD
View
B
Retailer 8
-
$1,354 NZD
$763 USD
View
B
Retailer 9
-
$1,402 NZD
$790 USD
View
B
Retailer 10
-
$1,408 NZD
$794 USD
View
B
Retailer 11
-
$1,446 NZD
£642 GBP
View
B
Retailer 12
-
$1,452 NZD
£645 GBP
View
B
Retailer 13
-
$1,578 NZD
€847 EUR
View
B
Retailer 14
-
$1,639 NZD
$924 USD
View
C
Retailer 15
-
$1,818 NZD
ZAR 16,555 ZAR
View
C
Retailer 16
-
$2,720 NZD
£1,207 GBP
View
Retailer 17
-
$3,380 NZD
CA$2,646 CAD
View
Price under review
Most Expensive
NZ Jewellers
1c004742-4301-41a0-ad57-ee22836fc6ad · Oct 30
$3,694 NZD
$2,082 USD
View
Price under review
17 more retailers have this diamond
Prices start from $820 NZDSave up to $1,900 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.

B+
0.50ct Oval
$820 NZD