CaratHunter
Plans
Round|Natural|GIA

4.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 5231250367

Certificate GIA 5231250367

Diamond specifications and retailer prices

From HK$467,800 HKD
$59,622 USD
As of November 1, 2026
Save HK$338,372 HKD (42%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$806,172 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 4ct natural round diamond

This 4ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5231250367. Listed at 13 retailers as of November 1, 2026, with prices from HK$467,800 to HK$806,172, a HK$338,372 spread on the same certified stone. MOH London lists it at HK$806,172. 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

4.00
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5231250367
Dimensions10.24 × 10.17 × 6.16 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
10.24 mm10.17 mm4.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231250367
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.4%

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 1
Current: HK$806,172 HKD|Low: HK$467,800 HKD|High: HK$815,887 HKD|Avg: HK$592,823 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5HK$467,800 HKD
Retailer 7HK$489,672 HKD
Retailer 6HK$499,326 HKD
Retailer 2HK$513,162 HKD
Retailer 3HK$623,548 HKD
Retailer 4HK$646,875 HKD
MOH LondonHK$806,172 HKD

41 data points across 7 retailers

13 retailersHK$467,800 HKD to HK$806,172 HKD

B+
Cheapest Retailer
-
HK$467,800 HKD
$59,622 USD
Retailer 2
-
HK$489,672 HKD
A$96,015 AUD
View
Price last confirmed 29 days ago
B
Retailer 3
-
HK$499,326 HKD
$63,640 USD
View
B+
Retailer 4
-
HK$513,162 HKD
£51,499 GBP
View
B
Retailer 5
-
HK$516,195 HKD
$65,790 USD
View
B
Retailer 6
-
HK$523,602 HKD
$66,734 USD
View
B
Retailer 7
-
HK$537,701 HKD
$68,531 USD
View
B
Retailer 8
-
HK$537,701 HKD
$68,531 USD
View
B
Retailer 9
-
HK$559,207 HKD
$71,272 USD
View
B
Retailer 10
-
HK$580,721 HKD
$74,014 USD
View
B
Retailer 11
-
HK$623,548 HKD
€75,688 EUR
View
B
Retailer 12
-
HK$646,875 HKD
ZAR 1,331,913 ZAR
View
Most Expensive
B
MOH London
A7ECBE6E4 · Nov 1
HK$806,172 HKD
£80,904 GBP
View
12 more retailers have this diamond
Prices start from HK$467,800 HKDSave up to HK$338,372 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+
4.00ct Round
HK$467,800 HKD