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Round|Natural|GIA

0.30ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 7556428606

Certificate GIA 7556428606

Diamond specifications and retailer prices

From £104 GBP
As of November 6, 2026
Save £249 GBP (71%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £353 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.3ct natural round diamond

This 0.3ct natural round sits in the sub-half-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7556428606. Listed at 9 retailers as of November 4, 2026, with prices from £104 to £353, a £249 spread on the same certified stone. MOH London lists it at £353. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7556428606
Dimensions4.28 × 4.26 × 2.67 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
4.28 mm4.26 mm0.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556428606
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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 6
Current: £353 GBP|Low: £104 GBP|High: £398 GBP|Avg: £228 GBP|-10.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2£104 GBP
Retailer 9£133 GBP
Retailer 7£174 GBP
Retailer 5£201 GBP
Retailer 8£208 GBP
Retailer 3£222 GBP
Retailer 4£269 GBP
Retailer 6£288 GBP
MOH London£353 GBP

42 data points across 9 retailers

9 retailers£104 GBP to £353 GBP

A
Cheapest Retailer
-
£104 GBP
A
Retailer 2
-
£133 GBP
View
A
Retailer 3
-
£174 GBP
View
Retailer 4
-
£182 GBP
View
Price last confirmed 43 days ago
A
Retailer 5
-
£201 GBP
View
B+
Retailer 6
-
£222 GBP
View
B+
Retailer 7
-
£269 GBP
View
B
Retailer 8
-
£288 GBP
View
Most Expensive
B
MOH London
4FF2D2351 · Nov 4
£353 GBP
View
8 more retailers have this diamond
Prices start from £104 GBPSave up to £249 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
£104 GBP