Round|Natural|IGI

0.30ct I I1 Round Natural Diamond

VG • I/I1 • IGI 810633658

Shape and cutting style on the report: Round brilliant

Certificate IGI 810633658

Diamond specifications and retailer prices

From £105 GBP
$141 USD
As of October 31, 2026
Save £371 GBP (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £476 GBP at NZ Jewellers · As of October 29, 2026
View at NZ Jewellers

About this 0.3ct natural round diamond

This 0.3ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 810633658. Listed at 8 retailers as of October 29, 2026, with prices from £105 to £476, a £371 spread on the same certified stone. NZ Jewellers lists it at £476. 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
I
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryVery Good
FluorescenceNone
Crown angle35.2°
Pavilion angle39.8°
OriginNatural
Grading LabIGI
CertificateIGI 810633658
Dimensions4.27 × 4.29 × 2.62 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
4.27 mm4.29 mm0.30 ctI / I1
OriginNatural
CutVery Good
PolishGood
SymmetryVery Good
FluorescenceNone
CertificateIGI 810633658
Side View
Table 57.0%Crown 35.2°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 61.2%

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 31
Current: £198 GBP|Low: £97 GBP|High: £198 GBP|Avg: £136 GBP|+4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 2£98 GBP
Retailer 4£124 GBP
Retailer 3£127 GBP
Retailer 1£198 GBP

19 data points across 4 retailers

8 retailers£105 GBP to £476 GBP

B+
Cheapest Retailer
-
£105 GBP
$141 USD
B+
Retailer 2
-
£113 GBP
$152 USD
View
B+
Retailer 3
-
£117 GBP
$157 USD
View
B+
Retailer 4
-
£124 GBP
$166 USD
View
B+
Retailer 5
-
£127 GBP
$171 USD
View
B+
Retailer 6
-
£142 GBP
$190 USD
View
B+
Retailer 7
-
£198 GBP
€253 EUR
View
Most Expensive
C
NZ Jewellers
83b7c9d2-4487-4a95-aba1-4accc0a2b4ff · Oct 29
£476 GBP
$638 USD
View
7 more retailers have this diamond
Prices start from £105 GBPSave up to £371 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 Round
£105 GBP