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Round|Natural|GIA

1.51ct K VVS1 Round Natural Diamond

EX • K/VVS1 • GIA 1553160486

Certificate GIA 1553160486

Diamond specifications and retailer prices

From $5,558 AUD
As of November 6, 2026
Save $6,257 AUD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,408 AUD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 1553160486. Listed at 17 retailers as of November 2, 2026, with a 113% 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

1.51
Carat
K
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1553160486
Dimensions7.34 × 7.29 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.34 mm7.29 mm1.51 ctK / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1553160486
Side View
Table 58.0%Crown 36°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 62.3%

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: $12,408 AUD|Low: $5,471 AUD|High: $12,569 AUD|Avg: $7,762 AUD|-1.3%
NZ Jewellers
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 6, 2026
Retailer 12$5,558 AUD
Retailer 13$5,744 AUD
Retailer 5$5,863 AUD
Retailer 3$5,903 AUD
Retailer 6$6,204 AUD
Retailer 14$6,343 AUD
Retailer 4$6,721 AUD
Retailer 2$7,242 AUD
Retailer 7$7,755 AUD
Retailer 9$7,884 AUD
Retailer 10$8,154 AUD
Retailer 15$8,188 AUD
Retailer 8$9,051 AUD
Retailer 11$11,815 AUD
NZ Jewellers$12,408 AUD

39 data points across 15 retailers

17 retailers$5,558 AUD to $11,815 AUD

A
Cheapest Retailer
-
$5,558 AUD
A
Retailer 2
-
$5,744 AUD
View
A
Retailer 3
-
$5,863 AUD
View
A
Retailer 4
-
$5,903 AUD
View
A
Retailer 5
-
$6,204 AUD
View
Final sale: no returns
A
Retailer 6
-
$6,343 AUD
View
Retailer 7
-
$6,721 AUD
View
Price last confirmed 17 days ago
Retailer 8
-
$6,808 AUD
View
Price last confirmed 21 days ago
Retailer 9
-
$6,808 AUD
View
Price last confirmed 22 days ago
A
Retailer 10
-
$7,242 AUD
View
Retailer 11
-
$7,755 AUD
View
Price last confirmed 19 days ago
A
Retailer 12
-
$7,884 AUD
View
A
Retailer 13
-
$8,154 AUD
View
Retailer 14
-
$8,188 AUD
View
Price last confirmed 14 days ago
B+
Retailer 15
-
$9,051 AUD
View
B
Retailer 16
-
$11,815 AUD
View
Most Expensive
NZ Jewellers
23499896-309f-49f7-846d-a01557603ece · Oct 20
$12,408 AUD
$8,686 USD
View
Price last confirmed 16 days ago
16 more retailers have this diamond
Prices start from $5,558 AUDSave up to $6,257 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
1.51ct Round
$5,558 AUD