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Cushion|Natural|GIA

0.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2557486581

Certificate GIA 2557486581

Diamond specifications and retailer prices

From $595 AUD
$418 USD
As of October 31, 2026
Save $1,365 AUD (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,960 AUD 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 D 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 2557486581. Listed at 11 retailers as of October 31, 2026, with prices from $595 to $1,960, a $1,365 spread on the same certified stone. MOH London lists it at $1,960. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557486581
Dimensions4.66 × 4.65 × 3.12 mm
L/W Ratio1.00
Girdle conditionVery Thick
Top View
4.66 mm4.65 mm0.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557486581
Side View
Table 65.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 66.9%

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: Oct 31
Current: $1,960 AUD|Low: $498 AUD|High: $1,983 AUD|Avg: $1,092 AUD|+5.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 11$595 AUD
Retailer 2$634 AUD
Retailer 8$961 AUD
Retailer 9$1,035 AUD
Retailer 10$1,036 AUD
Retailer 4$1,042 AUD
Retailer 7$1,063 AUD
Retailer 3$1,195 AUD
Retailer 5$1,254 AUD
Retailer 6$1,309 AUD
MOH London$1,960 AUD

34 data points across 11 retailers

11 retailers$595 AUD to $1,960 AUD

A
Cheapest Retailer
-
$595 AUD
$418 USD
Final sale: no returns
A
Retailer 2
-
$634 AUD
₹42,448 INR
View
B+
Retailer 3
-
$961 AUD
$675 USD
View
B+
Retailer 4
-
$1,035 AUD
$727 USD
View
B+
Retailer 5
-
$1,036 AUD
$728 USD
View
B+
Retailer 6
-
$1,042 AUD
£576 GBP
View
B+
Retailer 7
-
$1,063 AUD
£588 GBP
View
Retailer 8
-
$1,195 AUD
View
Price last confirmed 27 days ago
B+
Retailer 9
-
$1,254 AUD
€839 EUR
View
B
Retailer 10
-
$1,309 AUD
ZAR 14,859 ZAR
View
Most Expensive
B
MOH London
F6232578A · Nov 1
$1,960 AUD
£1,084 GBP
View
10 more retailers have this diamond
Prices start from $595 AUDSave up to $1,365 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
0.50ct Cushion
$595 AUD