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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 £149 GBP
₹18,993 INR
As of November 1, 2026
Save £332 GBP (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £481 GBP at MOH London · As of November 1, 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 1, 2026, with prices from £149 to £481, a £332 spread on the same certified stone. MOH London lists it at £481. 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 1
Current: £481 GBP|Low: £149 GBP|High: £942 GBP|Avg: £339 GBP|-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 2, 2026
Retailer 9£149 GBP
Retailer 14£208 GBP
Retailer 4£216 GBP
Retailer 12£224 GBP
Retailer 13£232 GBP
Retailer 8£274 GBP
Retailer 15£280 GBP
Retailer 11£285 GBP
Retailer 6£305 GBP
Retailer 10£322 GBP
Retailer 5£336 GBP
Retailer 2£357 GBP
Retailer 7£426 GBP
MOH London£481 GBP
Retailer 3£942 GBP

35 data points across 15 retailers

14 retailers£149 GBP to £481 GBP

A
Cheapest Retailer
-
£149 GBP
₹18,993 INR
B+
Retailer 2
-
£208 GBP
$279 USD
View
B+
Retailer 3
-
£216 GBP
$290 USD
View
B+
Retailer 4
-
£224 GBP
$300 USD
View
B+
Retailer 5
-
£232 GBP
$311 USD
View
B
Retailer 6
-
£274 GBP
View
B
Retailer 7
-
£280 GBP
$375 USD
View
B
Retailer 8
-
£285 GBP
View
B
Retailer 9
-
£305 GBP
$409 USD
View
B
Retailer 10
-
£322 GBP
ZAR 6,976 ZAR
View
B
Retailer 11
-
£336 GBP
$450 USD
View
B
Retailer 12
-
£357 GBP
€455 EUR
View
Most Expensive
C
MOH London
4C9C57D0D · Nov 1
£481 GBP
View
12 more retailers have this diamond
Prices start from £149 GBPSave up to £332 GBP

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
£149 GBP