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Round|Natural|GIA

0.30ct J I1 Round Natural Diamond

GD • J/I1 • GIA 2414819783

Certificate GIA 2414819783

Diamond specifications and retailer prices

From £124 GBP
HK$1,300 HKD
As of November 1, 2026
Save £533 GBP (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £658 GBP at NZ Jewellers · As of November 2, 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 J colour (near-colourless) and I1 clarity (included), with a standard cut grade and certified by GIA 2414819783. Listed at 9 retailers as of November 1, 2026, with prices from £124 to £658, a £533 spread on the same certified stone. NZ Jewellers lists it at £658. 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
J
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle40°
Pavilion angle39.4°
OriginNatural
Grading LabGIA
CertificateGIA 2414819783
Dimensions4.07 × 4.14 × 2.70 mm
L/W Ratio1.02
Star length45%
Lower girdle80%
Top View
4.07 mm4.14 mm0.30 ctJ / I1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2414819783
Side View
Table 56.0%Crown 40°Girdle: NULPavilion 39.4°Culet: NoneDepth 65.7%

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: Nov 1
Current: £257 GBP|Low: £144 GBP|High: £299 GBP|Avg: £221 GBP|+3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 2£145 GBP
Retailer 3£186 GBP
Retailer 5£219 GBP
Retailer 1£257 GBP
Retailer 4£299 GBP

20 data points across 5 retailers

9 retailers£124 GBP to £658 GBP

B+
Cheapest Retailer
-
£124 GBP
HK$1,300 HKD
B+
Retailer 2
-
£145 GBP
$194 USD
View
B+
Retailer 3
-
£156 GBP
$209 USD
View
B+
Retailer 4
-
£162 GBP
$217 USD
View
B
Retailer 5
-
£181 GBP
$242 USD
View
B
Retailer 6
-
£186 GBP
$250 USD
View
B
Retailer 7
-
£196 GBP
$262 USD
View
B
Retailer 8
-
£257 GBP
€328 EUR
View
Most Expensive
C
NZ Jewellers
e7abdf69-9d8f-4cab-985b-e3975dfe6b5f · Nov 2
£658 GBP
$881 USD
View
8 more retailers have this diamond
Prices start from £124 GBPSave up to £533 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
£124 GBP