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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 HK$491,794 HKD
$62,680 USD
As of November 1, 2026
Save HK$409,470 HKD (45%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$901,263 HKD 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 HK$491,794 to HK$901,263, a HK$409,470 spread on the same certified stone. MOH London lists it at HK$901,263. 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: HK$901,263 HKD|Low: HK$491,794 HKD|High: HK$906,086 HKD|Avg: HK$634,458 HKD|+0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4HK$491,794 HKD
Retailer 6HK$516,587 HKD
Retailer 7HK$549,227 HKD
Retailer 5HK$577,081 HKD
Retailer 2HK$599,830 HKD
Retailer 8HK$683,910 HKD
Retailer 3HK$699,984 HKD
MOH LondonHK$901,263 HKD

23 data points across 8 retailers

7 retailersHK$491,794 HKD to HK$901,263 HKD

A
Cheapest Retailer
-
HK$491,794 HKD
$62,680 USD
A
Retailer 2
-
HK$516,587 HKD
$65,840 USD
View
A
Retailer 3
-
HK$549,227 HKD
$70,000 USD
View
A
Retailer 4
-
HK$577,081 HKD
$73,550 USD
View
A
Retailer 5
-
HK$599,830 HKD
£60,196 GBP
View
A
Retailer 6
-
HK$699,984 HKD
€84,966 EUR
View
Most Expensive
B+
MOH London
3404658B5 · Nov 1
HK$901,263 HKD
£90,447 GBP
View
6 more retailers have this diamond
Prices start from HK$491,794 HKDSave up to HK$409,470 HKD

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
HK$491,794 HKD