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Round|Natural|GIA

1.51ct K VVS2 Round Natural Diamond

EX • K/VVS2 • GIA 6431223048

Certificate GIA 6431223048

Diamond specifications and retailer prices

From $8,764 AUD
As of November 4, 2026
Save $10,145 AUD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $18,909 AUD at NZ Jewellers · As of November 5, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 6431223048. Listed at 16 retailers as of November 4, 2026, with prices from $8,764 to $18,909, a $10,145 spread on the same certified stone. NZ Jewellers lists it at $18,909. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6431223048
Dimensions7.31 × 7.25 × 4.58 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.31 mm7.25 mm1.51 ctK / VVS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6431223048
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
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 4
Current: $11,565 AUD|Low: $8,764 AUD|High: $15,925 AUD|Avg: $11,363 AUD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$8,764 AUD
Retailer 5$9,057 AUD
Retailer 2$10,421 AUD
Retailer 1$11,565 AUD
Retailer 6$11,589 AUD
Retailer 3$13,794 AUD
Retailer 4$15,714 AUD

35 data points across 7 retailers

16 retailers$8,764 AUD to $18,909 AUD

A
Cheapest Retailer
-
$8,764 AUD
B+
Retailer 2
-
$8,932 AUD
View
B+
Retailer 3
-
$9,057 AUD
View
Retailer 4
-
$9,455 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$9,478 AUD
View
B+
Retailer 6
-
$9,534 AUD
View
B+
Retailer 7
-
$10,242 AUD
View
B+
Retailer 8
-
$10,401 AUD
View
B+
Retailer 9
-
$10,421 AUD
View
B+
Retailer 10
-
$11,565 AUD
View
B+
Retailer 11
-
$11,589 AUD
View
B
Retailer 12
-
$11,818 AUD
View
Retailer 13
-
$12,457 AUD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$13,794 AUD
View
B
Retailer 15
-
$15,714 AUD
View
Most Expensive
B
NZ Jewellers
5f9926b1-03b1-4c29-a614-bebc58abe0cc · Nov 5
$18,909 AUD
$13,237 USD
View
15 more retailers have this diamond
Prices start from $8,764 AUDSave up to $10,145 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
$8,764 AUD