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Cushion|Natural|GIA

0.50ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6325044554

Certificate GIA 6325044554

Diamond specifications and retailer prices

From $682 NZD
HK$3,000 HKD
As of November 1, 2026
Save $936 NZD (58%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,618 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 0.5ct natural cushion diamond

This 0.5ct natural cushion sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6325044554. Listed at 5 retailers as of November 1, 2026, with prices from $682 to $1,618, a $936 spread on the same certified stone. MOH London lists it at $1,618. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6325044554
Dimensions4.51 × 4.38 × 2.96 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
4.51 mm4.38 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6325044554
Side View
Table 61.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 67.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,618 NZD|Low: $682 NZD|High: $1,636 NZD|Avg: $1,105 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 5$682 NZD
Retailer 2$915 NZD
Retailer 4$1,122 NZD
Retailer 3$1,138 NZD
MOH London$1,618 NZD

46 data points across 5 retailers

5 retailers$682 NZD to $1,618 NZD

A
Cheapest Retailer
-
$682 NZD
HK$3,000 HKD
B+
Retailer 2
-
$915 NZD
£405 GBP
View
Retailer 3
-
$1,122 NZD
A$971 AUD
View
Price last confirmed 29 days ago
B+
Retailer 4
-
$1,138 NZD
€610 EUR
View
Most Expensive
B
MOH London
463C49F91 · Nov 1
$1,618 NZD
£717 GBP
View
4 more retailers have this diamond
Prices start from $682 NZDSave up to $936 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
$682 NZD