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Round|Natural|IGI

0.30ct H I1 Round Natural Diamond

GD • H/I1 • IGI 485144308

Shape and cutting style on the report: Round brilliant

Certificate IGI 485144308

Diamond specifications and retailer prices

From £91 GBP
₹11,675 INR
As of October 30, 2026
Save £499 GBP (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £590 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 H colour (near-colourless) and I1 clarity (included), with a standard cut grade and certified by IGI 485144308. Listed at 9 retailers as of October 29, 2026, with prices from £91 to £590, a £499 spread on the same certified stone. NZ Jewellers lists it at £590. 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
I1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle28.2°
Pavilion angle39.7°
OriginNatural
Grading LabIGI
CertificateIGI 485144308
Dimensions4.32 × 4.34 × 2.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
4.32 mm4.34 mm0.30 ctH / I1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 485144308
Side View
Table 58.5%Crown 28.2°Girdle: THK-VTKPavilion 39.7°Culet: NoneDepth 58.7%

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 30
Current: £236 GBP|Low: £91 GBP|High: £236 GBP|Avg: £163 GBP|+4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 2£91 GBP
Retailer 3£128 GBP
Retailer 4£166 GBP
Retailer 5£197 GBP
Retailer 1£236 GBP

18 data points across 5 retailers

9 retailers£91 GBP to £590 GBP

B+
Cheapest Retailer
-
£91 GBP
₹11,675 INR
B+
Retailer 2
-
£131 GBP
$175 USD
View
B+
Retailer 3
-
£140 GBP
$188 USD
View
B+
Retailer 4
-
£146 GBP
$195 USD
View
B+
Retailer 5
-
£161 GBP
$216 USD
View
B+
Retailer 6
-
£166 GBP
$223 USD
View
B+
Retailer 7
-
£175 GBP
$235 USD
View
B
Retailer 8
-
£236 GBP
€301 EUR
View
Most Expensive
C
NZ Jewellers
96130b75-fdc2-4231-84e6-50c2c3f0e7ae · Oct 29
£590 GBP
$791 USD
View
8 more retailers have this diamond
Prices start from £91 GBPSave up to £499 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
£91 GBP