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Round|Natural|GIA

0.30ct J I1 Round Natural Diamond

VG • J/I1 • GIA 5263892861

Certificate GIA 5263892861

Diamond specifications and retailer prices

From £104 GBP
₹13,332 INR
As of November 1, 2026
Save £553 GBP (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £658 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 J colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by GIA 5263892861. Listed at 10 retailers as of October 29, 2026, with prices from £104 to £658, a £553 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
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Crown angle35.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5263892861
Dimensions4.24 × 4.26 × 2.70 mm
L/W Ratio1.00
Star length55%
Lower girdle80%
Top View
4.24 mm4.26 mm0.30 ctJ / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5263892861
Side View
Table 58.0%Crown 35.5°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 63.4%

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: £103 GBP|High: £299 GBP|Avg: £201 GBP|+3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 2£104 GBP
Retailer 3£145 GBP
Retailer 4£186 GBP
Retailer 6£219 GBP
Retailer 1£257 GBP
Retailer 5£299 GBP

20 data points across 6 retailers

10 retailers£104 GBP to £658 GBP

B+
Cheapest Retailer
-
£104 GBP
₹13,332 INR
B+
Retailer 2
-
£124 GBP
HK$1,300 HKD
View
B+
Retailer 3
-
£145 GBP
$194 USD
View
B+
Retailer 4
-
£156 GBP
$209 USD
View
B+
Retailer 5
-
£162 GBP
$217 USD
View
B+
Retailer 6
-
£181 GBP
$242 USD
View
B+
Retailer 7
-
£186 GBP
$250 USD
View
B
Retailer 8
-
£196 GBP
$262 USD
View
B
Retailer 9
-
£257 GBP
€328 EUR
View
Most Expensive
C
NZ Jewellers
5fb377ef-7fa6-49da-863a-a6389d4c401b · Oct 29
£658 GBP
$881 USD
View
9 more retailers have this diamond
Prices start from £104 GBPSave up to £553 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
£104 GBP