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Marquise|Natural|IGI

0.31ct I VS1 Marquise Natural Diamond

VG • I/VS1 • IGI 797619451

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 797619451

Diamond specifications and retailer prices

From HK$3,228 HKD
£324 GBP
As of November 2, 2026
Save HK$1,376 HKD (30%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$4,604 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 0.31ct natural marquise diamond

This 0.31ct natural marquise sits in the sub-half-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 797619451. Listed at 5 retailers as of November 2, 2026, with prices from HK$3,228 to HK$4,604, a HK$1,376 spread on the same certified stone. MOH London lists it at HK$4,604. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.31
Carat
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.1°
Pavilion angle42.7°
OriginNatural
Grading LabIGI
CertificateIGI 797619451
Dimensions6.73 × 3.50 × 2.33 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizeNone
Top View
6.73 mm3.50 mm0.31 ctI / VS1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 797619451
Side View
Table 58.0%Crown 33.1°Girdle: STK-THKPavilion 42.7°Culet: NoneDepth 66.6%

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$4,604 HKD|Low: HK$2,197 HKD|High: HK$4,663 HKD|Avg: HK$3,425 HKD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5HK$2,197 HKD
Retailer 2HK$3,228 HKD
Retailer 4HK$3,366 HKD
Retailer 3HK$3,905 HKD
MOH LondonHK$4,604 HKD

29 data points across 5 retailers

5 retailersHK$3,228 HKD to HK$4,604 HKD

Retailer 1
-
HK$2,197 HKD
$280 USD
Price last confirmed 39 days ago
B+
Retailer 2
-
HK$3,228 HKD
£324 GBP
View
B+
Retailer 3
-
HK$3,366 HKD
$429 USD
View
B
Retailer 4
-
HK$3,905 HKD
€474 EUR
View
Most Expensive
B
MOH London
3F91CD38A · Nov 2
HK$4,604 HKD
£462 GBP
View
4 more retailers have this diamond
Prices start from HK$3,228 HKDSave up to HK$1,376 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+
0.31ct Marquise
HK$3,228 HKD