Marquise|Natural|IGI

0.30ct G I1 Marquise Natural Diamond

VG • G/I1 • IGI 823660760

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 823660760

Diamond specifications and retailer prices

From £147 GBP
$197 USD
As of October 29, 2026
Save £519 GBP (78%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £666 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.3ct natural marquise diamond

This 0.3ct natural marquise sits in the sub-half-carat band, graded G colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 823660760. Listed at 4 retailers as of October 29, 2026, with prices from £147 to £666, a £519 spread on the same certified stone. NZ Jewellers lists it at £666. 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
G
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle29.1°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 823660760
Dimensions6.61 × 3.49 × 2.24 mm
L/W Ratio1.89
Girdle conditionFaceted
Top View
6.61 mm3.49 mm0.30 ctG / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI 823660760
Side View
Table 56.0%Crown 29.1°Girdle: THK-VTKPavilion 41°CuletDepth 64.2%

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: Oct 29
Current: £666 GBP|Low: £147 GBP|High: £666 GBP|Avg: £310 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 16, 2026
Retailer 3£147 GBP
Retailer 2£164 GBP
Retailer 4£195 GBP
NZ Jewellers£666 GBP

6 data points across 4 retailers

4 retailers£147 GBP to £666 GBP

B+
Cheapest Retailer
-
£147 GBP
$197 USD
B+
Retailer 2
-
£164 GBP
$220 USD
View
B+
Retailer 3
-
£195 GBP
$261 USD
View
Most Expensive
C
NZ Jewellers
eb3bd625-e0fb-498a-9dac-2928a51d0d29 · Oct 30
£666 GBP
$894 USD
View
3 more retailers have this diamond
Prices start from £147 GBPSave up to £519 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.

B+
0.30ct Marquise
£147 GBP