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Round|Natural|GIA

0.30ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6341132636

Certificate GIA 6341132636

Diamond specifications and retailer prices

From £133 GBP
As of November 6, 2026
Save £543 GBP (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £676 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6341132636. Listed at 14 retailers as of November 4, 2026, with prices from £133 to £676, a £543 spread on the same certified stone. NZ Jewellers lists it at £676. 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
SymmetryVery Good
FluorescenceStrong
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6341132636
Dimensions4.27 × 4.23 × 2.69 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
4.27 mm4.23 mm0.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6341132636
Side View
Table 57.0%Crown 35°Girdle: ThickPavilion 41.4°Culet: NoneDepth 63.4%

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: £160 GBP|Low: £149 GBP|High: £348 GBP|Avg: £226 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6£150 GBP
Retailer 4£152 GBP
Retailer 1£160 GBP
Retailer 7£192 GBP
Retailer 2£220 GBP
Retailer 3£260 GBP
Retailer 5£344 GBP

43 data points across 7 retailers

14 retailers£133 GBP to £676 GBP

A
Cheapest Retailer
-
£133 GBP
B+
Retailer 2
-
£149 GBP
View
A
Retailer 3
-
£152 GBP
View
B+
Retailer 4
-
£160 GBP
View
Retailer 5
-
£160 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£166 GBP
View
B+
Retailer 7
-
£172 GBP
View
B+
Retailer 8
-
£186 GBP
View
B+
Retailer 9
-
£192 GBP
View
B+
Retailer 10
-
£201 GBP
View
B+
Retailer 11
-
£220 GBP
View
B+
Retailer 12
-
£260 GBP
View
B
Retailer 13
-
£344 GBP
View
Most Expensive
C
NZ Jewellers
05894803-f284-4b50-9929-0fc46f935b06 · Nov 4
£676 GBP
$910 USD
View
13 more retailers have this diamond
Prices start from £133 GBPSave up to £543 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
£133 GBP