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Round|Natural|GIA

0.30ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6435744157

Certificate GIA 6435744157

Diamond specifications and retailer prices

From £170 GBP
As of November 4, 2026
Save £601 GBP (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £771 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 6435744157. Listed at 11 retailers as of November 4, 2026, with prices from £170 to £771, a £601 spread on the same certified stone. NZ Jewellers lists it at £771. 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
OriginNatural
Grading LabGIA
CertificateGIA 6435744157
Dimensions4.36 × 4.38 × 2.63 mm
L/W Ratio1.00
Top View
4.36 mm4.38 mm0.30 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6435744157
Side View
Table 60.0%CrownGirdle: NULPavilionCulet: NoneDepth 60.2%

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 4
Current: £255 GBP|Low: £173 GBP|High: £340 GBP|Avg: £250 GBP|+6.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5£175 GBP
Retailer 4£183 GBP
Retailer 1£255 GBP
Retailer 3£265 GBP
Retailer 6£302 GBP
Retailer 2£337 GBP

44 data points across 6 retailers

11 retailers£170 GBP to £771 GBP

A
Cheapest Retailer
-
£170 GBP
B+
Retailer 2
-
£183 GBP
View
Retailer 3
-
£184 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£190 GBP
View
B+
Retailer 5
-
£229 GBP
View
B
Retailer 6
-
£255 GBP
View
B
Retailer 7
-
£265 GBP
View
B
Retailer 8
-
£267 GBP
View
B
Retailer 9
-
£302 GBP
View
B
Retailer 10
-
£337 GBP
View
Most Expensive
C
NZ Jewellers
89b9ffbc-c612-4e6d-b6f6-57aff6434c34 · Nov 4
£771 GBP
$1,038 USD
View
10 more retailers have this diamond
Prices start from £170 GBPSave up to £601 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
£170 GBP