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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 $1,824 NZD
$1,028 USD
As of November 1, 2026
Save $2,050 NZD (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,874 NZD 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 $1,824 to $3,874, a $2,050 spread on the same certified stone. MOH London lists it at $3,874. 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

How it works →
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: Nov 1
Current: $3,874 NZD|Low: $1,828 NZD|High: $3,898 NZD|Avg: $2,533 NZD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$1,828 NZD
Retailer 5$1,906 NZD
Retailer 6$2,046 NZD
Retailer 7$2,073 NZD
Retailer 2$2,399 NZD
Retailer 3$2,942 NZD
Retailer 8$3,165 NZD
MOH London$3,874 NZD

41 data points across 8 retailers

7 retailers$1,824 NZD to $3,874 NZD

B
Cheapest Retailer
-
$1,824 NZD
$1,028 USD
Retailer 2
-
$1,828 NZD
$1,030 USD
View
Price last confirmed 11 days ago
B
Retailer 3
-
$1,906 NZD
$1,074 USD
View
B
Retailer 4
-
$2,073 NZD
$1,168 USD
View
B
Retailer 5
-
$2,399 NZD
£1,065 GBP
View
B
Retailer 6
-
$2,942 NZD
€1,579 EUR
View
Most Expensive
B
MOH London
B72F03D94 · Oct 29
$3,874 NZD
£1,719 GBP
View
6 more retailers have this diamond
Prices start from $1,824 NZDSave up to $2,050 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.

B
0.50ct Cushion
$1,824 NZD