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Round|Natural|GIA

0.30ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 2557426933

Certificate GIA 2557426933

Diamond specifications and retailer prices

From £93 GBP
As of November 5, 2026
Save £529 GBP (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £622 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 2557426933. Listed at 13 retailers as of November 4, 2026, with prices from £93 to £622, a £529 spread on the same certified stone. NZ Jewellers lists it at £622. 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
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2557426933
Dimensions4.28 × 4.25 × 2.66 mm
L/W Ratio1.01
Top View
4.28 mm4.25 mm0.30 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557426933
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NDepth 62.3%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £622 GBP|Low: £93 GBP|High: £649 GBP|Avg: £225 GBP|-4.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 6£93 GBP
Retailer 12£137 GBP
Retailer 3£152 GBP
Retailer 8£153 GBP
Retailer 11£169 GBP
Retailer 4£178 GBP
Retailer 10£185 GBP
Retailer 2£200 GBP
Retailer 7£213 GBP
Retailer 9£233 GBP
Retailer 5£288 GBP
NZ Jewellers£622 GBP

30 data points across 12 retailers

13 retailers£93 GBP to £622 GBP

A
Cheapest Retailer
-
£93 GBP
A
Retailer 2
-
£123 GBP
View
A
Retailer 3
-
£137 GBP
View
Retailer 4
-
£152 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£153 GBP
View
A
Retailer 6
-
£169 GBP
View
Retailer 7
-
£178 GBP
View
Price last confirmed 12 days ago
B+
Retailer 8
-
£185 GBP
View
B+
Retailer 9
-
£200 GBP
View
B+
Retailer 10
-
£213 GBP
View
B+
Retailer 11
-
£233 GBP
View
B
Retailer 12
-
£288 GBP
View
Most Expensive
B
NZ Jewellers
98268bc4-b5e3-4085-8deb-a90bdb1bf6a1 · Nov 4
£622 GBP
$837 USD
View
12 more retailers have this diamond
Prices start from £93 GBPSave up to £529 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
£93 GBP