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Cushion|Natural|GIA

5.03ct D SI1 Cushion Natural Diamond

ID • D/SI1 • GIA 6555553788

Certificate GIA 6555553788

Diamond specifications and retailer prices

From $89,231 AUD
$62,680 USD
As of November 1, 2026
Save $74,294 AUD (45%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $163,526 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 5.03ct natural cushion diamond

This 5.03ct natural cushion sits in the over five 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 6555553788. Listed at 7 retailers as of November 1, 2026, with prices from $89,231 to $163,526, a $74,294 spread on the same certified stone. MOH London lists it at $163,526. 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

5.03
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
OriginNatural
Grading LabGIA
CertificateGIA 6555553788
Dimensions10.23 × 9.29 × 6.60 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
10.23 mm9.29 mm5.03 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 6555553788
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 71.1%

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: $163,526 AUD|Low: $89,231 AUD|High: $164,401 AUD|Avg: $115,116 AUD|+0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4$89,231 AUD
Retailer 6$93,730 AUD
Retailer 7$99,652 AUD
Retailer 5$104,706 AUD
Retailer 2$108,833 AUD
Retailer 8$124,089 AUD
Retailer 3$127,005 AUD
MOH London$163,526 AUD

23 data points across 8 retailers

7 retailers$89,231 AUD to $163,526 AUD

A
Cheapest Retailer
-
$89,231 AUD
$62,680 USD
A
Retailer 2
-
$93,730 AUD
$65,840 USD
View
A
Retailer 3
-
$99,652 AUD
$70,000 USD
View
A
Retailer 4
-
$104,706 AUD
$73,550 USD
View
A
Retailer 5
-
$108,833 AUD
£60,196 GBP
View
A
Retailer 6
-
$127,005 AUD
€84,966 EUR
View
Most Expensive
B+
MOH London
3404658B5 · Nov 1
$163,526 AUD
£90,447 GBP
View
6 more retailers have this diamond
Prices start from $89,231 AUDSave up to $74,294 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
5.03ct Cushion
$89,231 AUD