Round|Natural|IGI

3.51ct I VVS1 Round Natural Diamond

EX • I/VVS1 • IGI 825677317

Shape and cutting style on the report: Round brilliant

Certificate IGI 825677317

Diamond specifications and retailer prices

From HK$273,471 HKD
£27,446 GBP
As of November 1, 2026
Save HK$180,869 HKD (40%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$454,340 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 3.51ct natural round diamond

This 3.51ct natural round sits in the three to five carat band, graded I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI 825677317. Listed at 16 retailers as of November 1, 2026, with prices from HK$273,471 to HK$454,340, a HK$180,869 spread on the same certified stone. MOH London lists it at HK$454,340. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

3.51
Carat
I
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 825677317
Dimensions9.60 × 9.71 × 6.07 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
9.60 mm9.71 mm3.51 ctI / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 825677317
Side View
Table 59.0%Crown 35.2°Girdle: MediumPavilion 41.7°Culet: NoneDepth 62.7%

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 1
Current: HK$454,340 HKD|Low: HK$273,391 HKD|High: HK$475,803 HKD|Avg: HK$333,436 HKD|-4.5%
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 1, 2026
Retailer 9HK$273,471 HKD
Retailer 6HK$275,423 HKD
Retailer 13HK$303,425 HKD
Retailer 11HK$308,469 HKD
Retailer 7HK$311,396 HKD
Retailer 12HK$316,425 HKD
Retailer 3HK$321,980 HKD
Retailer 4HK$335,396 HKD
Retailer 2HK$340,221 HKD
Retailer 5HK$344,299 HKD
Retailer 10HK$347,870 HKD
Retailer 8HK$377,129 HKD
MOH LondonHK$454,340 HKD

20 data points across 13 retailers

16 retailersHK$273,471 HKD to HK$454,340 HKD

A
Cheapest Retailer
-
HK$273,471 HKD
£27,446 GBP
A
Retailer 2
-
HK$275,423 HKD
$35,105 USD
View
A
Retailer 3
-
HK$303,425 HKD
$38,674 USD
View
A
Retailer 4
-
HK$308,469 HKD
SGD 53,131 SGD
View
A
Retailer 5
-
HK$311,396 HKD
$39,690 USD
View
A
Retailer 6
-
HK$316,425 HKD
$40,331 USD
View
Retailer 7
-
HK$320,222 HKD
$40,815 USD
View
Price last confirmed 42 days ago
A
Retailer 8
-
HK$321,980 HKD
$41,039 USD
View
A
Retailer 9
-
HK$328,003 HKD
A$64,318 AUD
View
A
Retailer 10
-
HK$335,396 HKD
$42,749 USD
View
A
Retailer 11
-
HK$340,221 HKD
€41,299 EUR
View
A
Retailer 12
-
HK$344,299 HKD
$43,884 USD
View
A
Retailer 13
-
HK$347,870 HKD
$44,339 USD
View
Retailer 14
-
HK$367,602 HKD
$46,854 USD
View
Price last confirmed 40 days ago
B+
Retailer 15
-
HK$377,129 HKD
ZAR 776,547 ZAR
View
Most Expensive
B+
MOH London
582A3AC35 · Nov 1
HK$454,340 HKD
£45,598 GBP
View
15 more retailers have this diamond
Prices start from HK$273,471 HKDSave up to HK$180,869 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
3.51ct Round
HK$273,471 HKD