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Round|Natural|GIA

3.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2556837743

Certificate GIA 2556837743

Diamond specifications and retailer prices

From HK$311,965 HKD
CA$55,223 CAD
As of November 2, 2026
Save HK$203,471 HKD (39%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$515,436 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 3.5ct natural round diamond

This 3.5ct 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 2556837743. Listed at 15 retailers as of November 2, 2026, with prices from HK$311,965 to HK$515,436, a HK$203,471 spread on the same certified stone. MOH London lists it at HK$515,436. 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

3.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2556837743
Dimensions9.56 × 9.63 × 6.10 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
9.56 mm9.63 mm3.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556837743
Side View
Table 57.0%CrownGirdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.5%

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$515,436 HKD|Low: HK$257,101 HKD|High: HK$521,644 HKD|Avg: HK$342,339 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 3, 2026
Retailer 9HK$257,101 HKD
Retailer 7HK$270,048 HKD
Retailer 8HK$283,443 HKD
Retailer 6HK$310,619 HKD
Retailer 12HK$311,965 HKD
Retailer 16HK$316,645 HKD
Retailer 5HK$325,674 HKD
Retailer 11HK$328,328 HKD
Retailer 2HK$330,616 HKD
Retailer 3HK$346,876 HKD
Retailer 17HK$346,876 HKD
Retailer 13HK$349,858 HKD
Retailer 4HK$358,410 HKD
Retailer 14HK$376,770 HKD
Retailer 15HK$384,843 HKD
Retailer 10HK$390,105 HKD
MOH LondonHK$515,436 HKD

33 data points across 17 retailers

15 retailersHK$311,965 HKD to HK$515,436 HKD

Retailer 1
-
HK$257,101 HKD
Price last confirmed 54 days ago
B+
Retailer 2
-
HK$311,965 HKD
CA$55,223 CAD
View
B+
Retailer 3
-
HK$316,645 HKD
$40,357 USD
View
B
Retailer 4
-
HK$325,674 HKD
A$63,858 AUD
View
B
Retailer 5
-
HK$328,328 HKD
$41,846 USD
View
B+
Retailer 6
-
HK$330,616 HKD
£33,179 GBP
View
Retailer 7
-
HK$343,785 HKD
$43,816 USD
View
Price last confirmed 36 days ago
B
Retailer 8
-
HK$346,876 HKD
$44,210 USD
View
B
Retailer 9
-
HK$346,876 HKD
$44,210 USD
View
B
Retailer 10
-
HK$349,858 HKD
$44,590 USD
View
B
Retailer 11
-
HK$358,410 HKD
$45,680 USD
View
B
Retailer 12
-
HK$376,770 HKD
$48,020 USD
View
Retailer 13
-
HK$384,843 HKD
$49,049 USD
View
Price last confirmed 7 days ago
B
Retailer 14
-
HK$390,105 HKD
€47,352 EUR
View
Most Expensive
B
MOH London
3B939C1D8 · Nov 2
HK$515,436 HKD
£51,727 GBP
View
14 more retailers have this diamond
Prices start from HK$311,965 HKDSave up to HK$203,471 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+
3.50ct Round
HK$311,965 HKD