Round|Natural|GIA

4.01ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1543001587

Certificate GIA 1543001587

Diamond specifications and retailer prices

From HK$274,276 HKD
As of November 6, 2026
Save HK$171,297 HKD (38%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$445,573 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 4.01ct natural round diamond

This 4.01ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1543001587. Listed at 13 retailers as of November 4, 2026, with prices from HK$274,276 to HK$445,573, a HK$171,297 spread on the same certified stone. MOH London lists it at HK$445,573. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1543001587
Dimensions10.17 × 10.10 × 6.26 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather
Top View
10.17 mm10.10 mm4.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543001587
Side View
Table 62.0%Crown 33.5°Girdle: ThickPavilion 41.8°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$445,573 HKD|Low: HK$264,909 HKD|High: HK$449,160 HKD|Avg: HK$311,845 HKD|+8.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4HK$268,180 HKD
Retailer 10HK$274,276 HKD
Retailer 2HK$284,302 HKD
Retailer 3HK$286,232 HKD
Retailer 7HK$286,726 HKD
Retailer 12HK$291,073 HKD
Retailer 9HK$303,044 HKD
Retailer 8HK$314,702 HKD
Retailer 11HK$324,305 HKD
Retailer 5HK$336,112 HKD
Retailer 6HK$341,039 HKD
MOH LondonHK$445,573 HKD

32 data points across 12 retailers

13 retailersHK$274,276 HKD to HK$445,573 HKD

B+
Cheapest Retailer
-
HK$274,276 HKD
Retailer 2
-
HK$274,684 HKD
View
Price last confirmed 39 days ago
B+
Retailer 3
-
HK$284,302 HKD
View
B+
Retailer 4
-
HK$286,726 HKD
View
B+
Retailer 5
-
HK$303,044 HKD
View
Retailer 6
-
HK$303,201 HKD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
HK$314,702 HKD
View
Retailer 8
-
HK$315,330 HKD
View
Price last confirmed 36 days ago
Retailer 9
-
HK$324,305 HKD
View
Price last confirmed 36 days ago
Retailer 10
-
HK$327,459 HKD
View
Price last confirmed 38 days ago
B
Retailer 11
-
HK$336,112 HKD
View
B
Retailer 12
-
HK$341,039 HKD
View
Most Expensive
B
MOH London
D8D00991E · Nov 4
HK$445,573 HKD
£44,721 GBP
View
12 more retailers have this diamond
Prices start from HK$274,276 HKDSave up to HK$171,297 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.

B+
4.01ct Round
HK$274,276 HKD