Cushion|Natural|GIA

0.51ct K VS1 Cushion Natural Diamond

EX • K/VS1 • GIA 6525853395

Certificate GIA 6525853395

Diamond specifications and retailer prices

From $307 USD
As of November 6, 2026
Save $381 USD (55%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $688 USD 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 $307 to $688, a $381 spread on the same certified stone. 77 Diamonds lists it at $688. 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
Color
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

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: $688 USD|Low: $307 USD|High: $719 USD|Avg: $604 USD|+4.3%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 4, 2026
Retailer 3$307 USD
Retailer 2$527 USD
Retailer 5$669 USD
77 Diamonds$688 USD
Retailer 6$689 USD
Retailer 4$719 USD

31 data points across 6 retailers

3 retailers$307 USD to $688 USD

A
Cheapest Retailer
-
$307 USD
B+
Retailer 2
-
$527 USD
View
Most Expensive
B
77 Diamonds
CUSEV7FA2HWPC · Nov 4
$688 USD
£541 GBP
View
2 more retailers have this diamond
Prices start from $307 USDSave up to $381 USD

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
$307 USD