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Round|Natural|GIA

3.31ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 5222751251

Certificate GIA 5222751251

Diamond specifications and retailer prices

From HK$319,430 HKD
$40,712 USD
As of November 2, 2026
Save HK$233,024 HKD (42%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$552,454 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 3.31ct natural round diamond

This 3.31ct 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 5222751251. Listed at 18 retailers as of November 1, 2026, with prices from HK$319,430 to HK$552,454, a HK$233,024 spread on the same certified stone. MOH London lists it at HK$552,454. 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

3.31
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5222751251
Dimensions9.49 × 9.46 × 5.90 mm
L/W Ratio1.00
Top View
9.49 mm9.46 mm3.31 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5222751251
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.3%

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$552,454 HKD|Low: HK$304,821 HKD|High: HK$559,111 HKD|Avg: HK$383,959 HKD|-1.1%
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
November 1, 2026
Retailer 5HK$304,821 HKD
Retailer 7HK$319,430 HKD
Retailer 4HK$320,576 HKD
Retailer 6HK$334,887 HKD
Retailer 3HK$353,443 HKD
Retailer 11HK$353,734 HKD
Retailer 10HK$353,863 HKD
Retailer 12HK$368,476 HKD
Retailer 14HK$368,476 HKD
Retailer 13HK$383,211 HKD
Retailer 15HK$397,954 HKD
Retailer 2HK$427,301 HKD
Retailer 8HK$429,462 HKD
Retailer 9HK$458,571 HKD
MOH LondonHK$552,454 HKD

29 data points across 15 retailers

18 retailersHK$319,430 HKD to HK$552,454 HKD

Retailer 1
-
HK$304,821 HKD
$38,850 USD
Price last confirmed 26 days ago
B+
Retailer 2
-
HK$319,430 HKD
$40,712 USD
View
B
Retailer 3
-
HK$320,576 HKD
$40,858 USD
View
Retailer 4
-
HK$334,887 HKD
A$65,665 AUD
View
Price last confirmed 34 days ago
B
Retailer 5
-
HK$353,443 HKD
$45,047 USD
View
Retailer 6
-
HK$353,443 HKD
$45,047 USD
View
Price last confirmed 19 days ago
Retailer 7
-
HK$353,443 HKD
$45,047 USD
View
Price last confirmed 35 days ago
B
Retailer 8
-
HK$353,734 HKD
$45,084 USD
View
B+
Retailer 9
-
HK$353,863 HKD
£35,512 GBP
View
B
Retailer 10
-
HK$368,476 HKD
$46,963 USD
View
B+
Retailer 11
-
HK$368,476 HKD
$46,963 USD
View
B
Retailer 12
-
HK$378,336 HKD
$48,220 USD
View
B
Retailer 13
-
HK$383,211 HKD
$48,841 USD
View
B
Retailer 14
-
HK$397,954 HKD
$50,720 USD
View
B
Retailer 15
-
HK$427,301 HKD
€51,867 EUR
View
B
Retailer 16
-
HK$429,462 HKD
£43,099 GBP
View
B
Retailer 17
-
HK$458,571 HKD
ZAR 944,196 ZAR
View
Most Expensive
B
MOH London
DC60FB17B · Nov 1
HK$552,454 HKD
£55,442 GBP
View
17 more retailers have this diamond
Prices start from HK$319,430 HKDSave up to HK$233,024 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+
3.31ct Round
HK$319,430 HKD