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Radiant|Natural|GIA

1.51ct K VVS2 Radiant Natural Diamond

ID • K/VVS2 • GIA 6

Certificate GIA 6

Diamond specifications and retailer prices

From $6,785 AUD
As of November 6, 2026
Save $1,754 AUD (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $8,539 AUD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant 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 stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of November 5, 2026, with prices from $6,785 to $8,539, a $1,754 spread on the same certified stone. Blue Nile lists it at $8,539. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6
Dimensions7.48 × 5.75 × 3.97 mm
L/W Ratio1.30
Top View
7.48 mm5.75 mm1.51 ctK / VVS2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.0%

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: $8,539 AUD|Low: $6,785 AUD|High: $8,539 AUD|Avg: $7,305 AUD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2$6,785 AUD
Retailer 3$7,209 AUD
Blue Nile$8,539 AUD

2 data points across 3 retailers

3 retailers$6,785 AUD to $8,539 AUD

A
Cheapest Retailer
-
$6,785 AUD
A
Retailer 2
-
$7,209 AUD
View
Most Expensive
B+
Blue Nile
26970851 · Nov 5
$8,539 AUD
$5,867 USD
View
2 more retailers have this diamond
Prices start from $6,785 AUDSave up to $1,754 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 Radiant
$6,785 AUD