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Marquise|Natural|IGI

0.30ct H SI1 Marquise Natural Diamond

VG • H/SI1 • IGI 815673814

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 815673814

Diamond specifications and retailer prices

From $284 AUD
₹18,987 INR
As of November 2, 2026
Save $634 AUD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $919 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 0.3ct natural marquise diamond

This 0.3ct natural marquise sits in the sub-half-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815673814. Listed at 14 retailers as of November 2, 2026, with prices from $284 to $919, a $634 spread on the same certified stone. MOH London lists it at $919. 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

0.30
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle34.3°
Pavilion angle42.1°
OriginNatural
Grading LabIGI
CertificateIGI 815673814
Dimensions6.98 × 3.31 × 2.26 mm
L/W Ratio2.11
Girdle conditionFaceted
Top View
6.98 mm3.31 mm0.30 ctH / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 815673814
Side View
Table 58.0%Crown 34.3°Girdle: MED-VTKPavilion 42.1°Culet: NoneDepth 68.3%

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 2
Current: $919 AUD|Low: $284 AUD|High: $1,801 AUD|Avg: $648 AUD|-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
Retailer 14
Retailer 15
November 3, 2026
Retailer 8$284 AUD
Retailer 14$398 AUD
Retailer 4$414 AUD
Retailer 12$428 AUD
Retailer 13$444 AUD
Retailer 2$519 AUD
Retailer 15$535 AUD
Retailer 11$545 AUD
Retailer 6$583 AUD
Retailer 10$616 AUD
Retailer 5$642 AUD
Retailer 9$682 AUD
Retailer 7$814 AUD
MOH London$919 AUD
Retailer 3$1,801 AUD

36 data points across 15 retailers

14 retailers$284 AUD to $919 AUD

A
Cheapest Retailer
-
$284 AUD
₹18,987 INR
B+
Retailer 2
-
$398 AUD
$279 USD
View
B+
Retailer 3
-
$414 AUD
$290 USD
View
B+
Retailer 4
-
$428 AUD
$300 USD
View
B+
Retailer 5
-
$444 AUD
$311 USD
View
B
Retailer 6
-
$519 AUD
£286 GBP
View
B
Retailer 7
-
$535 AUD
$375 USD
View
B
Retailer 8
-
$545 AUD
£301 GBP
View
B
Retailer 9
-
$583 AUD
$409 USD
View
B
Retailer 10
-
$616 AUD
ZAR 6,976 ZAR
View
B
Retailer 11
-
$642 AUD
$450 USD
View
B
Retailer 12
-
$682 AUD
€455 EUR
View
Most Expensive
C
MOH London
4C9C57D0D · Nov 2
$919 AUD
£507 GBP
View
12 more retailers have this diamond
Prices start from $284 AUDSave up to $634 AUD

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
0.30ct Marquise
$284 AUD