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Round|Natural|IGI

0.51ct K VS2 Round Natural Diamond

EX • K/VS2 • IGI 529273501

Shape and cutting style on the report: Round brilliant

Certificate IGI 529273501

Diamond specifications and retailer prices

From $300 AUD
As of October 31, 2026
Save $1,888 AUD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,188 AUD at Allurez · As of November 5, 2026
View at Allurez

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 529273501. Listed at 16 retailers as of October 31, 2026, with prices from $300 to $2,188, a $1,888 spread on the same certified stone. Allurez lists it at $2,188. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 529273501
Dimensions5.11 × 5.08 × 3.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
5.11 mm5.08 mm0.51 ctK / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 529273501
Side View
Table 55.5%Crown 36.4°Girdle: MediumPavilion 40.5°Culet: NoneDepth 62.6%

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: Oct 31
Current: $930 AUD|Low: $300 AUD|High: $1,890 AUD|Avg: $698 AUD
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
November 5, 2026
Retailer 8$300 AUD
Retailer 15$417 AUD
Retailer 13$443 AUD
Retailer 5$449 AUD
Retailer 3$466 AUD
Retailer 14$521 AUD
Retailer 11$529 AUD
Retailer 10$547 AUD
Retailer 7$561 AUD
Retailer 4$603 AUD
Retailer 2$641 AUD
Retailer 9$797 AUD
Retailer 1$930 AUD
Retailer 12$969 AUD
Retailer 6$1,890 AUD

28 data points across 15 retailers

16 retailers$300 AUD to $2,188 AUD

A
Cheapest Retailer
-
$300 AUD
Retailer 2
-
$417 AUD
View
Price last confirmed 9 days ago
Retailer 3
-
$443 AUD
View
Price last confirmed 9 days ago
Retailer 4
-
$449 AUD
View
Price last confirmed 8 days ago
Retailer 5
-
$466 AUD
View
Price last confirmed 9 days ago
Retailer 6
-
$521 AUD
View
Price last confirmed 8 days ago
Retailer 7
-
$529 AUD
View
Price last confirmed 8 days ago
Retailer 8
-
$547 AUD
View
Price last confirmed 8 days ago
Retailer 9
-
$561 AUD
View
Price last confirmed 10 days ago
Retailer 10
-
$603 AUD
View
Price last confirmed 11 days ago
Retailer 11
-
$641 AUD
View
Price last confirmed 12 days ago
Retailer 12
-
$797 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$930 AUD
View
Retailer 14
-
$969 AUD
View
Price last confirmed 8 days ago
Retailer 15
-
$1,890 AUD
View
Price last confirmed 10 days ago
Most Expensive
B
Allurez
1199800 · Nov 5
$2,188 AUD
$1,532 USD
View
15 more retailers have this diamond
Prices start from $300 AUDSave up to $1,888 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
$300 AUD