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Cushion|Natural|GIA

0.50ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 5191455639

Certificate GIA 5191455639

Diamond specifications and retailer prices

From $1,463 AUD
$1,028 USD
As of October 30, 2026
Save $1,644 AUD (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,108 AUD at MOH London · As of October 29, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5191455639. Listed at 7 retailers as of October 29, 2026, with prices from $1,463 to $3,108, a $1,644 spread on the same certified stone. MOH London lists it at $3,108. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5191455639
Dimensions4.84 × 4.40 × 3.01 mm
L/W Ratio1.10
Culet sizeNone
Key to symbols
Knot
Top View
4.84 mm4.40 mm0.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5191455639
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,108 AUD|Low: $1,466 AUD|High: $3,128 AUD|Avg: $2,032 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$1,466 AUD
Retailer 5$1,529 AUD
Retailer 6$1,641 AUD
Retailer 7$1,663 AUD
Retailer 2$1,925 AUD
Retailer 3$2,360 AUD
Retailer 8$2,539 AUD
MOH London$3,108 AUD

41 data points across 8 retailers

7 retailers$1,463 AUD to $3,108 AUD

B
Cheapest Retailer
-
$1,463 AUD
$1,028 USD
Retailer 2
-
$1,466 AUD
$1,030 USD
View
Price last confirmed 11 days ago
B
Retailer 3
-
$1,529 AUD
$1,074 USD
View
B
Retailer 4
-
$1,663 AUD
$1,168 USD
View
B
Retailer 5
-
$1,925 AUD
£1,065 GBP
View
B
Retailer 6
-
$2,360 AUD
€1,579 EUR
View
Most Expensive
B
MOH London
B72F03D94 · Oct 29
$3,108 AUD
£1,719 GBP
View
6 more retailers have this diamond
Prices start from $1,463 AUDSave up to $1,644 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.

B
0.50ct Cushion
$1,463 AUD