Round|Natural|IGI

3.50ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 591353387

Shape and cutting style on the report: Round brilliant

Certificate IGI 591353387

Diamond specifications and retailer prices

From HK$160,217 HKD
$20,421 USD
As of October 30, 2026
Save HK$87,688 HKD (35%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$247,905 HKD at MOH London · As of October 29, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 591353387. Listed at 12 retailers as of October 29, 2026, with prices from HK$160,217 to HK$247,905, a HK$87,688 spread on the same certified stone. MOH London lists it at HK$247,905. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 591353387
Dimensions9.60 × 9.66 × 6.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
9.60 mm9.66 mm3.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 591353387
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.4%

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: Oct 30
Current: HK$247,905 HKD|Low: HK$141,451 HKD|High: HK$249,559 HKD|Avg: HK$184,470 HKD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 4HK$141,919 HKD
Retailer 3HK$160,217 HKD
Retailer 9HK$165,934 HKD
Retailer 5HK$167,019 HKD
Retailer 10HK$174,277 HKD
Retailer 6HK$182,993 HKD
Retailer 7HK$188,799 HKD
Retailer 2HK$192,077 HKD
Retailer 8HK$196,064 HKD
Retailer 11HK$223,673 HKD
MOH LondonHK$247,905 HKD

42 data points across 11 retailers

12 retailersHK$160,217 HKD to HK$247,905 HKD

Retailer 1
-
HK$141,919 HKD
₹1,722,742 INR
Price last confirmed 7 days ago
A
Retailer 2
-
HK$160,217 HKD
$20,421 USD
View
A
Retailer 3
-
HK$165,934 HKD
A$32,538 AUD
View
A
Retailer 4
-
HK$167,019 HKD
$21,288 USD
View
Final sale: no returns
A
Retailer 5
-
HK$174,277 HKD
$22,213 USD
View
Retailer 6
-
HK$180,922 HKD
$23,060 USD
View
Price last confirmed 74 days ago
A
Retailer 7
-
HK$182,993 HKD
$23,324 USD
View
A
Retailer 8
-
HK$188,799 HKD
$24,064 USD
View
A
Retailer 9
-
HK$192,077 HKD
€23,316 EUR
View
B+
Retailer 10
-
HK$196,064 HKD
$24,990 USD
View
B+
Retailer 11
-
HK$223,673 HKD
$28,509 USD
View
Most Expensive
B+
MOH London
04DD6A172 · Oct 29
HK$247,905 HKD
£24,880 GBP
View
11 more retailers have this diamond
Prices start from HK$160,217 HKDSave up to HK$87,688 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$160,217 HKD