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Round|Natural|GIA

0.30ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 2554426247

Certificate GIA 2554426247

Diamond specifications and retailer prices

From £88 GBP
As of November 5, 2026
Save £510 GBP (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £598 GBP at NZ Jewellers · As of November 4, 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554426247. Listed at 13 retailers as of November 4, 2026, with prices from £88 to £598, a £510 spread on the same certified stone. NZ Jewellers lists it at £598. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.30
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2554426247
Dimensions4.30 × 4.27 × 2.62 mm
L/W Ratio1.01
Top View
4.30 mm4.27 mm0.30 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2554426247
Side View
Table 61.0%Crown 35°Girdle: Slightly ThickPavilion 40.8°Culet: NDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £598 GBP|Low: £88 GBP|High: £617 GBP|Avg: £208 GBP|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 6£88 GBP
Retailer 4£114 GBP
Retailer 5£126 GBP
Retailer 13£132 GBP
Retailer 3£144 GBP
Retailer 9£147 GBP
Retailer 12£162 GBP
Retailer 11£178 GBP
Retailer 2£191 GBP
Retailer 8£205 GBP
Retailer 10£228 GBP
Retailer 7£279 GBP
NZ Jewellers£598 GBP

29 data points across 13 retailers

13 retailers£88 GBP to £598 GBP

A
Cheapest Retailer
-
£88 GBP
B+
Retailer 2
-
£114 GBP
View
Retailer 3
-
£126 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
£132 GBP
View
Retailer 5
-
£144 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£147 GBP
View
A
Retailer 7
-
£162 GBP
View
B+
Retailer 8
-
£178 GBP
View
B+
Retailer 9
-
£191 GBP
View
B+
Retailer 10
-
£205 GBP
View
B+
Retailer 11
-
£228 GBP
View
B+
Retailer 12
-
£279 GBP
View
Most Expensive
B
NZ Jewellers
db91a51a-2b31-437f-8ac8-e8328298d5a2 · Nov 4
£598 GBP
$805 USD
View
12 more retailers have this diamond
Prices start from £88 GBPSave up to £510 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.

A
0.30ct Round
£88 GBP