Round|Natural|GIA

0.51ct K IF Round Natural Diamond

EX • K/IF • GIA 3535312454

Certificate GIA 3535312454

Diamond specifications and retailer prices

From $606 USD
As of November 5, 2026
Save $794 USD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,886 USD at NZ Jewellers · As of October 3, 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 3535312454. Listed at 15 retailers as of November 4, 2026, with a 131% 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 3535312454
Dimensions5.14 × 5.12 × 3.17 mm
L/W Ratio1.00
Top View
5.14 mm5.12 mm0.51 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3535312454
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.8%

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 5
Current: $731 USD|Low: $558 USD|High: $1,417 USD|Avg: $804 USD|-13.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$575 USD
Retailer 6$606 USD
Retailer 3$648 USD
Retailer 1$731 USD
Retailer 11$737 USD
Retailer 2$739 USD
Retailer 4$749 USD
Retailer 9$800 USD
Retailer 5$889 USD
Retailer 7$937 USD
Retailer 8$1,400 USD

38 data points across 11 retailers

15 retailers$606 USD to $1,400 USD

Retailer 1
-
$575 USD
Price last confirmed 17 days ago
Retailer 2
-
$601 USD
View
Price last confirmed 29 days ago
A
Retailer 3
-
$606 USD
View
Retailer 4
-
$629 USD
View
Price last confirmed 38 days ago
Retailer 5
-
$674 USD
View
Price last confirmed 45 days ago
B+
Retailer 6
-
$731 USD
View
Retailer 7
-
$737 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$739 USD
View
B+
Retailer 9
-
$749 USD
View
B+
Retailer 10
-
$800 USD
View
B+
Retailer 11
-
$889 USD
View
B+
Retailer 12
-
$937 USD
View
B
Retailer 13
-
$1,400 USD
View
Retailer 14
-
$1,832 USD
View
Price last confirmed 48 days ago
Most Expensive
NZ Jewellers
89c6a8cb-75df-4973-83fd-5b0b7f227a1f · Oct 3
$1,886 USD
View
Price last confirmed 34 days ago
14 more retailers have this diamond
Prices start from $606 USDSave up to $794 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
0.51ct Round
$606 USD