Oval|Natural|GIA

0.50ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 5566645889

Certificate GIA 5566645889

Diamond specifications and retailer prices

From $317 USD
As of November 6, 2026
Save $1,325 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,642 USD 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566645889. Listed at 14 retailers as of November 5, 2026, with prices from $317 to $1,642, a $1,325 spread on the same certified stone. NZ Jewellers lists it at $1,642. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5566645889
Dimensions6.21 × 4.43 × 2.67 mm
L/W Ratio1.40
Top View
6.21 mm4.43 mm0.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5566645889
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 60.2%

Caratlytics Score

How it works →
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: $1,642 USD|Low: $317 USD|High: $1,642 USD|Avg: $611 USD
NZ Jewellers
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
November 6, 2026
Retailer 2$317 USD
Retailer 6$371 USD
Retailer 5$428 USD
Retailer 13$461 USD
Retailer 14$494 USD
Retailer 8$522 USD
Retailer 7$526 USD
Retailer 4$559 USD
Retailer 11$592 USD
Retailer 12$640 USD
Retailer 9$664 USD
Retailer 3$703 USD
Retailer 10$988 USD
NZ Jewellers$1,642 USD

8 data points across 14 retailers

14 retailers$317 USD to $1,642 USD

A
Cheapest Retailer
-
$317 USD
A
Retailer 2
-
$371 USD
View
A
Retailer 3
-
$428 USD
View
A
Retailer 4
-
$461 USD
View
B+
Retailer 5
-
$494 USD
View
B+
Retailer 6
-
$522 USD
View
B+
Retailer 7
-
$526 USD
View
B+
Retailer 8
-
$559 USD
View
B+
Retailer 9
-
$592 USD
View
B
Retailer 10
-
$640 USD
View
B
Retailer 11
-
$664 USD
View
B+
Retailer 12
-
$703 USD
View
B
Retailer 13
-
$988 USD
View
Most Expensive
B
NZ Jewellers
1791f37d-70e9-4de6-8a8c-82e44e152fdc · Nov 5
$1,642 USD
View
13 more retailers have this diamond
Prices start from $317 USDSave up to $1,325 USD

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
$317 USD