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Cushion|Natural|GIA

0.51ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 6522060573

Certificate GIA 6522060573

Diamond specifications and retailer prices

From $379 USD
As of November 6, 2026
Save $641 USD (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,020 USD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 0.51ct natural cushion diamond

This 0.51ct natural cushion sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6522060573. Listed at 5 retailers as of November 6, 2026, with prices from $379 to $1,020, a $641 spread on the same certified stone. Do Amore Diamonds lists it at $1,020. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6522060573
Dimensions4.79 × 4.38 × 2.85 mm
L/W Ratio1.09
Top View
4.79 mm4.38 mm0.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6522060573
Side View
Table 64.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.1%

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: $1,020 USD|Low: $330 USD|High: $1,130 USD|Avg: $586 USD|-9.7%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 4$379 USD
Retailer 5$404 USD
Retailer 2$517 USD
Retailer 6$570 USD
Retailer 7$570 USD
Retailer 8$590 USD
Retailer 3$594 USD
Do Amore Diamonds$1,020 USD

41 data points across 8 retailers

5 retailers$379 USD to $1,020 USD

A
Cheapest Retailer
-
$379 USD
Final sale: no returns
A
Retailer 2
-
$404 USD
View
A
Retailer 3
-
$517 USD
View
A
Retailer 4
-
$594 USD
View
Most Expensive
B
Do Amore Diamonds
12-100761408580 · Nov 6
$1,020 USD
View
4 more retailers have this diamond
Prices start from $379 USDSave up to $641 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
$379 USD