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Round|Natural|GIA

4.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1182031705

Certificate GIA 1182031705

Diamond specifications and retailer prices

From HK$316,629 HKD
$40,355 USD
As of November 1, 2026
Save HK$257,558 HKD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$574,187 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 1182031705. Listed at 11 retailers as of November 1, 2026, with prices from HK$316,629 to HK$574,187, a HK$257,558 spread on the same certified stone. MOH London lists it at HK$574,187. 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
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1182031705
Dimensions10.18 × 10.16 × 6.29 mm
L/W Ratio1.00
Culet sizeNone
Top View
10.18 mm10.16 mm4.00 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1182031705
Side View
Table 57.0%Crown 35°Girdle: THN-THKPavilion 41°Culet: NoneDepth 61.8%

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$574,187 HKD|Low: HK$316,629 HKD|High: HK$603,543 HKD|Avg: HK$389,341 HKD|-4.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5HK$316,629 HKD
Retailer 10HK$332,102 HKD
Retailer 11HK$335,758 HKD
Retailer 9HK$336,752 HKD
Retailer 8HK$352,036 HKD
Retailer 2HK$364,763 HKD
Retailer 3HK$382,105 HKD
Retailer 6HK$382,105 HKD
Retailer 7HK$394,816 HKD
Retailer 4HK$430,465 HKD
MOH LondonHK$574,187 HKD

41 data points across 11 retailers

11 retailersHK$316,629 HKD to HK$574,187 HKD

A
Cheapest Retailer
-
HK$316,629 HKD
$40,355 USD
A
Retailer 2
-
HK$332,102 HKD
$42,327 USD
View
A
Retailer 3
-
HK$335,758 HKD
$42,793 USD
View
A
Retailer 4
-
HK$336,752 HKD
$42,920 USD
View
Retailer 5
-
HK$352,036 HKD
A$69,027 AUD
View
Price last confirmed 29 days ago
A
Retailer 6
-
HK$364,763 HKD
£36,606 GBP
View
B+
Retailer 7
-
HK$382,105 HKD
$48,700 USD
View
B+
Retailer 8
-
HK$382,105 HKD
$48,700 USD
View
B+
Retailer 9
-
HK$394,816 HKD
$50,320 USD
View
B+
Retailer 10
-
HK$430,465 HKD
€52,251 EUR
View
Most Expensive
B
MOH London
AE8168CD0 · Nov 1
HK$574,187 HKD
£57,623 GBP
View
10 more retailers have this diamond
Prices start from HK$316,629 HKDSave up to HK$257,558 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
4.00ct Round
HK$316,629 HKD