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Round|Natural|GIA

0.51ct K IF Round Natural Diamond

EX • K/IF • GIA 2547681998

Certificate GIA 2547681998

Diamond specifications and retailer prices

From $504 AUD
As of November 6, 2026
Save $1,073 AUD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,537 AUD at NZ Jewellers · As of October 6, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2547681998. Listed at 10 retailers as of November 4, 2026, with a 213% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2547681998
Dimensions5.09 × 5.12 × 3.19 mm
L/W Ratio1.01
Star length45%
Top View
5.09 mm5.12 mm0.51 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2547681998
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

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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: $504 AUD|Low: $504 AUD|High: $1,885 AUD|Avg: $904 AUD|-8.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$504 AUD
Retailer 7$576 AUD
Retailer 2$720 AUD
Retailer 6$741 AUD
Retailer 4$931 AUD
Retailer 3$1,100 AUD
Retailer 5$1,576 AUD

39 data points across 7 retailers

10 retailers$504 AUD to $1,576 AUD

A
Cheapest Retailer
-
$504 AUD
A
Retailer 2
-
$576 AUD
View
A
Retailer 3
-
$720 AUD
View
A
Retailer 4
-
$741 AUD
View
Retailer 5
-
$782 AUD
View
Price last confirmed 38 days ago
Retailer 6
-
$809 AUD
View
Price last confirmed 30 days ago
A
Retailer 7
-
$931 AUD
View
B+
Retailer 8
-
$1,100 AUD
View
B
Retailer 9
-
$1,576 AUD
View
Most Expensive
NZ Jewellers
1e94939e-5b3b-4f65-a63d-fd540b82749f · Oct 6
$2,537 AUD
$1,743 USD
View
Price last confirmed 31 days ago
9 more retailers have this diamond
Prices start from $504 AUDSave up to $1,073 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
$504 AUD