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Round|Natural|GIA

4.00ct I SI1 Round Natural Diamond

VG • I/SI1 • GIA 2504665069

Certificate GIA 2504665069

Diamond specifications and retailer prices

From HK$369,802 HKD
$47,132 USD
As of November 2, 2026
Save HK$200,997 HKD (35%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$570,799 HKD at MOH London · As of November 2, 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 very-good cut grade and certified by GIA 2504665069. Listed at 6 retailers as of November 2, 2026, with prices from HK$369,802 to HK$570,799, a HK$200,997 spread on the same certified stone. MOH London lists it at HK$570,799. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.00
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2504665069
Dimensions9.77 × 9.90 × 6.35 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
9.77 mm9.90 mm4.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2504665069
Side View
Table 59.0%Crown 37.5°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 64.6%

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 2
Current: HK$570,799 HKD|Low: HK$327,967 HKD|High: HK$577,675 HKD|Avg: HK$417,263 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3HK$369,802 HKD
Retailer 4HK$373,741 HKD
Retailer 5HK$380,708 HKD
Retailer 6HK$388,970 HKD
Retailer 2HK$432,195 HKD
MOH LondonHK$570,799 HKD

27 data points across 6 retailers

6 retailersHK$369,802 HKD to HK$570,799 HKD

B+
Cheapest Retailer
-
HK$369,802 HKD
$47,132 USD
Final sale: no returns
B+
Retailer 2
-
HK$373,741 HKD
$47,634 USD
View
B+
Retailer 3
-
HK$380,708 HKD
$48,522 USD
View
B+
Retailer 4
-
HK$388,970 HKD
$49,575 USD
View
B+
Retailer 5
-
HK$432,195 HKD
€52,461 EUR
View
Most Expensive
B
MOH London
027D95258 · Nov 2
HK$570,799 HKD
£57,283 GBP
View
5 more retailers have this diamond
Prices start from HK$369,802 HKDSave up to HK$200,997 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$369,802 HKD