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Round|Natural|GIA

0.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 5566131196

Certificate GIA 5566131196

Diamond specifications and retailer prices

From $453 AUD
As of November 6, 2026
Save $1,910 AUD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,363 AUD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 5566131196. Listed at 10 retailers as of November 4, 2026, with prices from $453 to $2,363, a $1,910 spread on the same certified stone. NZ Jewellers lists it at $2,363. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5566131196
Dimensions5.11 × 5.15 × 3.17 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Top View
5.11 mm5.15 mm0.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566131196
Side View
Table 58.0%Crown 36°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.8%

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: $453 AUD|Low: $453 AUD|High: $1,440 AUD|Avg: $858 AUD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$453 AUD
Retailer 8$707 AUD
Retailer 3$753 AUD
Retailer 2$773 AUD
Retailer 4$797 AUD
Retailer 5$956 AUD
Retailer 7$1,001 AUD
Retailer 6$1,421 AUD

29 data points across 8 retailers

10 retailers$453 AUD to $2,363 AUD

A
Cheapest Retailer
-
$453 AUD
A
Retailer 2
-
$707 AUD
View
A
Retailer 3
-
$753 AUD
View
A
Retailer 4
-
$773 AUD
View
A
Retailer 5
-
$797 AUD
View
A
Retailer 6
-
$803 AUD
View
B+
Retailer 7
-
$956 AUD
View
B+
Retailer 8
-
$1,001 AUD
View
B
Retailer 9
-
$1,421 AUD
View
Most Expensive
B
NZ Jewellers
9f288d22-c47f-47d8-8784-dd7031ced55e · Nov 4
$2,363 AUD
$1,654 USD
View
9 more retailers have this diamond
Prices start from $453 AUDSave up to $1,910 AUD

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
0.51ct Round
$453 AUD