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Round|Natural|GIA

1.51ct K VVS1 Round Natural Diamond

EX • K/VVS1 • GIA 6551969832

Certificate GIA 6551969832

Diamond specifications and retailer prices

From $5,098 AUD
As of November 6, 2026
Save $1,867 AUD (27%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,965 AUD at Blue Nile · As of November 5, 2026
View at Blue Nile

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 6551969832. Listed at 7 retailers as of November 5, 2026, with prices from $5,098 to $6,965, a $1,867 spread on the same certified stone. Blue Nile lists it at $6,965. 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
FluorescenceFaint
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6551969832
Dimensions7.24 × 7.30 × 4.61 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather
Top View
7.24 mm7.30 mm1.51 ctK / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551969832
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.4%

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 6
Current: $6,965 AUD|Low: $5,064 AUD|High: $7,138 AUD|Avg: $6,031 AUD|-2.4%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$5,098 AUD
Retailer 4$5,628 AUD
Retailer 7$5,877 AUD
Retailer 5$6,040 AUD
Retailer 3$6,133 AUD
Retailer 6$6,265 AUD
Blue Nile$6,965 AUD

46 data points across 7 retailers

7 retailers$5,098 AUD to $6,965 AUD

A
Cheapest Retailer
-
$5,098 AUD
A
Retailer 2
-
$5,628 AUD
View
A
Retailer 3
-
$5,877 AUD
View
A
Retailer 4
-
$6,040 AUD
View
Final sale: no returns
A
Retailer 5
-
$6,133 AUD
View
A
Retailer 6
-
$6,265 AUD
View
Most Expensive
A
Blue Nile
30128288 · Nov 5
$6,965 AUD
$4,876 USD
View
6 more retailers have this diamond
Prices start from $5,098 AUDSave up to $1,867 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
$5,098 AUD