Round|Natural|GIA

0.51ct K VS2 Round Natural Diamond

EX • K/VS2 • GIA 3485288988

Certificate GIA 3485288988

Diamond specifications and retailer prices

From $520 AUD
As of November 6, 2026
Save $2,217 AUD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,737 AUD at NZ Jewellers · As of October 20, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 3485288988. Listed at 21 retailers as of November 4, 2026, with a 426% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3485288988
Dimensions5.13 × 5.16 × 3.17 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.13 mm5.16 mm0.51 ctK / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3485288988
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.6%

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: Nov 6
Current: $2,737 AUD|Low: $520 AUD|High: $2,737 AUD|Avg: $1,260 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$520 AUD
Retailer 8$769 AUD
Retailer 3$874 AUD
Retailer 4$897 AUD
Retailer 9$1,000 AUD
Retailer 6$1,069 AUD
Retailer 5$1,107 AUD
Retailer 7$1,647 AUD
Retailer 10$1,717 AUD
NZ Jewellers$2,737 AUD

37 data points across 10 retailers

21 retailers$520 AUD to $2,737 AUD

A
Cheapest Retailer
-
$520 AUD
Retailer 2
-
$603 AUD
View
Price last confirmed 63 days ago
A
Retailer 3
-
$676 AUD
View
Retailer 4
-
$714 AUD
View
Price last confirmed 44 days ago
Retailer 5
-
$714 AUD
View
Price last confirmed 17 days ago
Retailer 6
-
$769 AUD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
$824 AUD
View
Retailer 8
-
$824 AUD
View
Price last confirmed 45 days ago
B+
Retailer 9
-
$824 AUD
View
B+
Retailer 10
-
$874 AUD
View
B+
Retailer 11
-
$897 AUD
View
B+
Retailer 12
-
$901 AUD
View
B+
Retailer 13
-
$1,000 AUD
View
B+
Retailer 14
-
$1,069 AUD
View
B+
Retailer 15
-
$1,107 AUD
View
B
Retailer 16
-
$1,647 AUD
View
Retailer 17
-
$1,717 AUD
View
Price last confirmed 16 days ago
Retailer 18
-
$1,791 AUD
View
Price last confirmed 15 days ago
Retailer 19
-
$2,737 AUD
View
Price last confirmed 46 days ago
B
Retailer 20
-
$2,737 AUD
View
Most Expensive
NZ Jewellers
866b641c-21df-4c10-b4b8-690e08fa1b7c · Oct 20
$2,737 AUD
$1,916 USD
View
Price last confirmed 17 days ago
20 more retailers have this diamond
Prices start from $520 AUDSave up to $2,217 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
$520 AUD