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Cushion|Natural|GIA

0.51ct K VS1 Cushion Natural Diamond

EX • K/VS1 • GIA 6525853395

Certificate GIA 6525853395

Diamond specifications and retailer prices

From $447 AUD
As of November 6, 2026
Save $554 AUD (55%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,001 AUD at 77 Diamonds · As of November 4, 2026
View at 77 Diamonds

About this 0.51ct natural cushion diamond

This 0.51ct natural cushion sits in the half to three-quarter carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6525853395. Listed at 3 retailers as of November 4, 2026, with prices from $447 to $1,001, a $554 spread on the same certified stone. 77 Diamonds lists it at $1,001. 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
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6525853395
Dimensions4.76 × 4.65 × 3.02 mm
L/W Ratio1.02
Top View
4.76 mm4.65 mm0.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6525853395
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $1,001 AUD|Low: $447 AUD|High: $1,046 AUD|Avg: $878 AUD|+4.3%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 4, 2026
Retailer 3$447 AUD
Retailer 2$767 AUD
Retailer 5$974 AUD
77 Diamonds$1,001 AUD
Retailer 6$1,003 AUD
Retailer 4$1,046 AUD

30 data points across 6 retailers

3 retailers$447 AUD to $1,001 AUD

A
Cheapest Retailer
-
$447 AUD
B+
Retailer 2
-
$767 AUD
View
Most Expensive
B
77 Diamonds
CUSEV7FA2HWPC · Nov 4
$1,001 AUD
£541 GBP
View
2 more retailers have this diamond
Prices start from $447 AUDSave up to $554 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 Cushion
$447 AUD