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Cushion|Natural|GIA

4.01ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6551217341

Certificate GIA 6551217341

Diamond specifications and retailer prices

From HK$254,433 HKD
As of November 6, 2026
Save HK$192,110 HKD (43%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$446,544 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 4.01ct natural cushion diamond

This 4.01ct natural cushion sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551217341. Listed at 21 retailers as of November 4, 2026, with prices from HK$254,433 to HK$446,544, a HK$192,110 spread on the same certified stone. MOH London lists it at HK$446,544. 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

4.01
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551217341
Dimensions10.87 × 8.38 × 5.76 mm
L/W Ratio1.30
Key to symbols
Crystal, Feather, Needle
Top View
10.87 mm8.38 mm4.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551217341
Side View
Table 66.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.7%

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 6
Current: HK$446,544 HKD|Low: HK$265,030 HKD|High: HK$450,137 HKD|Avg: HK$319,005 HKD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 3HK$265,030 HKD
Retailer 4HK$277,569 HKD
Retailer 8HK$278,228 HKD
Retailer 2HK$286,018 HKD
Retailer 9HK$286,692 HKD
Retailer 5HK$314,491 HKD
Retailer 6HK$335,519 HKD
Retailer 7HK$356,774 HKD
MOH LondonHK$446,544 HKD

23 data points across 9 retailers

21 retailersHK$254,433 HKD to HK$446,544 HKD

A
Cheapest Retailer
-
HK$254,433 HKD
A
Retailer 2
-
HK$261,017 HKD
View
A
Retailer 3
-
HK$265,030 HKD
View
A
Retailer 4
-
HK$268,517 HKD
View
A
Retailer 5
-
HK$277,569 HKD
View
A
Retailer 6
-
HK$278,228 HKD
View
B+
Retailer 7
-
HK$284,513 HKD
View
A
Retailer 8
-
HK$286,018 HKD
View
Retailer 9
-
HK$286,692 HKD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
HK$288,479 HKD
View
B+
Retailer 11
-
HK$294,663 HKD
View
B+
Retailer 12
-
HK$300,909 HKD
View
B+
Retailer 13
-
HK$306,568 HKD
View
B+
Retailer 14
-
HK$310,055 HKD
View
B+
Retailer 15
-
HK$314,491 HKD
View
B+
Retailer 16
-
HK$321,984 HKD
View
Retailer 17
-
HK$322,454 HKD
View
Price last confirmed 15 days ago
B+
Retailer 18
-
HK$335,519 HKD
View
B+
Retailer 19
-
HK$338,403 HKD
View
B
Retailer 20
-
HK$356,774 HKD
View
Most Expensive
B
MOH London
86EA74769 · Nov 4
HK$446,544 HKD
£44,863 GBP
View
20 more retailers have this diamond
Prices start from HK$254,433 HKDSave up to HK$192,110 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
4.01ct Cushion
HK$254,433 HKD