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3.50ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 526257569

Shape and cutting style on the report: Round brilliant

Certificate IGI 526257569

Diamond specifications and retailer prices

From HK$193,290 HKD
₹2,346,210 INR
As of November 2, 2026
Save HK$142,166 HKD (42%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$335,456 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 IGI 526257569. Listed at 14 retailers as of November 2, 2026, with prices from HK$193,290 to HK$335,456, a HK$142,166 spread on the same certified stone. MOH London lists it at HK$335,456. 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
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 526257569
Dimensions9.66 × 9.71 × 6.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
9.66 mm9.71 mm3.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 526257569
Side View
Table 58.5%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

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 2
Current: HK$335,456 HKD|Low: HK$192,901 HKD|High: HK$339,492 HKD|Avg: HK$244,936 HKD|-1.2%
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
November 3, 2026
Retailer 6HK$193,290 HKD
Retailer 3HK$215,862 HKD
Retailer 4HK$217,329 HKD
Retailer 2HK$218,295 HKD
Retailer 11HK$223,739 HKD
Retailer 13HK$230,440 HKD
Retailer 9HK$237,086 HKD
Retailer 10HK$248,941 HKD
Retailer 5HK$256,842 HKD
Retailer 7HK$259,469 HKD
Retailer 12HK$266,720 HKD
Retailer 8HK$278,443 HKD
MOH LondonHK$335,456 HKD

36 data points across 13 retailers

14 retailersHK$193,290 HKD to HK$335,456 HKD

A
Cheapest Retailer
-
HK$193,290 HKD
₹2,346,210 INR
A
Retailer 2
-
HK$215,862 HKD
$27,512 USD
View
A
Retailer 3
-
HK$217,329 HKD
$27,699 USD
View
Final sale: no returns
A
Retailer 4
-
HK$218,295 HKD
£21,907 GBP
View
A
Retailer 5
-
HK$223,739 HKD
$28,516 USD
View
A
Retailer 6
-
HK$227,058 HKD
$28,939 USD
View
A
Retailer 7
-
HK$230,440 HKD
$29,370 USD
View
B+
Retailer 8
-
HK$237,086 HKD
$30,217 USD
View
B+
Retailer 9
-
HK$248,941 HKD
$31,728 USD
View
B+
Retailer 10
-
HK$256,842 HKD
$32,735 USD
View
B+
Retailer 11
-
HK$259,469 HKD
€31,495 EUR
View
B+
Retailer 12
-
HK$266,720 HKD
$33,994 USD
View
B+
Retailer 13
-
HK$278,443 HKD
ZAR 573,313 ZAR
View
Most Expensive
B
MOH London
FD8BC17A8 · Nov 2
HK$335,456 HKD
£33,665 GBP
View
13 more retailers have this diamond
Prices start from HK$193,290 HKDSave up to HK$142,166 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
3.50ct Round
HK$193,290 HKD