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Cushion|Natural|GIA

0.50ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 2556404837

Certificate GIA 2556404837

Diamond specifications and retailer prices

From $684 NZD
As of November 6, 2026
Save $340 NZD (33%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,024 NZD at Steven Stone · As of November 7, 2026
View at Steven Stone

About this 0.5ct natural cushion diamond

This 0.5ct 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 2556404837. Listed at 5 retailers as of November 6, 2026, with prices from $684 to $1,024, a $340 spread on the same certified stone. Steven Stone lists it at $1,024. 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

0.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2556404837
Dimensions4.42 × 4.39 × 2.96 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal
Top View
4.42 mm4.39 mm0.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2556404837
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.3%

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: $877 NZD|Low: $612 NZD|High: $1,024 NZD|Avg: $800 NZD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Steven Stone
November 7, 2026
Retailer 4$684 NZD
Retailer 2$711 NZD
Retailer 1$877 NZD
Retailer 3$940 NZD
Steven Stone$1,024 NZD

42 data points across 5 retailers

5 retailers$684 NZD to $1,024 NZD

A
Cheapest Retailer
-
$684 NZD
A
Retailer 2
-
$711 NZD
View
Final sale: no returns
A
Retailer 3
-
$877 NZD
View
A
Retailer 4
-
$940 NZD
View
Most Expensive
B+
Steven Stone
333487786 · Nov 7
$1,024 NZD
£447 GBP
View
4 more retailers have this diamond
Prices start from $684 NZDSave up to $340 NZD

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
0.50ct Cushion
$684 NZD