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3.73ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1559185723

Certificate GIA 1559185723

Diamond specifications and retailer prices

From HK$315,201 HKD
$40,175 USD
As of November 1, 2026
Save HK$249,082 HKD (44%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$564,283 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 3.73ct natural round diamond

This 3.73ct 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 1559185723. Listed at 11 retailers as of November 1, 2026, with prices from HK$315,201 to HK$564,283, a HK$249,082 spread on the same certified stone. MOH London lists it at HK$564,283. 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

3.73
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1559185723
Dimensions9.79 × 9.84 × 6.15 mm
L/W Ratio1.01
Top View
9.79 mm9.84 mm3.73 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559185723
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.7%

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$564,283 HKD|Low: HK$315,201 HKD|High: HK$579,150 HKD|Avg: HK$401,010 HKD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4HK$315,201 HKD
Retailer 10HK$326,977 HKD
Retailer 5HK$332,087 HKD
Retailer 11HK$341,483 HKD
Retailer 3HK$364,378 HKD
Retailer 9HK$372,365 HKD
Retailer 7HK$387,421 HKD
Retailer 8HK$387,421 HKD
Retailer 6HK$400,288 HKD
Retailer 2HK$436,506 HKD
MOH LondonHK$564,283 HKD

34 data points across 11 retailers

11 retailersHK$315,201 HKD to HK$564,283 HKD

B+
Cheapest Retailer
-
HK$315,201 HKD
$40,175 USD
B+
Retailer 2
-
HK$326,977 HKD
$41,676 USD
View
B+
Retailer 3
-
HK$332,087 HKD
€40,312 EUR
View
B+
Retailer 4
-
HK$341,483 HKD
$43,525 USD
View
B
Retailer 5
-
HK$364,378 HKD
$46,443 USD
View
Final sale: no returns
B
Retailer 6
-
HK$372,365 HKD
$47,461 USD
View
B+
Retailer 7
-
HK$387,421 HKD
$49,380 USD
View
B+
Retailer 8
-
HK$387,421 HKD
$49,380 USD
View
B
Retailer 9
-
HK$400,288 HKD
$51,020 USD
View
B
Retailer 10
-
HK$436,506 HKD
€52,987 EUR
View
Most Expensive
B
MOH London
9B51C241D · Nov 1
HK$564,283 HKD
£56,632 GBP
View
10 more retailers have this diamond
Prices start from HK$315,201 HKDSave up to HK$249,082 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+
3.73ct Round
HK$315,201 HKD