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Marquise|Natural|IGI

0.31ct F SI1 Marquise Natural Diamond

VG • F/SI1 • IGI 839657754

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 839657754

Diamond specifications and retailer prices

From HK$2,472 HKD
$315 USD
As of October 29, 2026
Save HK$3,278 HKD (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$5,750 HKD at MOH London · As of October 29, 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 F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 839657754. Listed at 8 retailers as of October 29, 2026, with prices from HK$2,472 to HK$5,750, a HK$3,278 spread on the same certified stone. MOH London lists it at HK$5,750. 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
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.4°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 839657754
Dimensions6.65 × 3.50 × 2.33 mm
L/W Ratio1.90
Girdle conditionFaceted
Top View
6.65 mm3.50 mm0.31 ctF / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 839657754
Side View
Table 57.0%Crown 38.4°Girdle: MED-THKPavilion 41.7°Culet: NoneDepth 66.6%

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 29
Current: HK$5,750 HKD|Low: HK$2,472 HKD|High: HK$9,486 HKD|Avg: HK$4,670 HKD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4HK$2,472 HKD
Retailer 8HK$2,762 HKD
Retailer 5HK$3,507 HKD
Retailer 7HK$3,641 HKD
Retailer 2HK$4,251 HKD
Retailer 3HK$5,024 HKD
MOH LondonHK$5,750 HKD
Retailer 6HK$9,486 HKD

13 data points across 8 retailers

8 retailersHK$2,472 HKD to HK$5,750 HKD

A
Cheapest Retailer
-
HK$2,472 HKD
$315 USD
B+
Retailer 2
-
HK$2,762 HKD
$352 USD
View
B
Retailer 3
-
HK$3,507 HKD
$447 USD
View
B
Retailer 4
-
HK$3,641 HKD
$464 USD
View
B
Retailer 5
-
HK$4,251 HKD
€516 EUR
View
B
Retailer 6
-
HK$5,024 HKD
£504 GBP
View
Most Expensive
C
MOH London
E618F7612 · Oct 29
HK$5,750 HKD
£577 GBP
View
6 more retailers have this diamond
Prices start from HK$2,472 HKDSave up to HK$3,278 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
0.31ct Marquise
HK$2,472 HKD