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0.51ct L SI2 Round Natural Diamond

EX • L/SI2 • IGI 483109345

Shape and cutting style on the report: Round brilliant

Certificate IGI 483109345

Diamond specifications and retailer prices

From £195 GBP
As of November 5, 2026
Save £690 GBP (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £886 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 483109345. Listed at 8 retailers as of November 4, 2026, with prices from £195 to £886, a £690 spread on the same certified stone. NZ Jewellers lists it at £886. 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

0.51
Carat
L
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 483109345
Dimensions5.20 × 5.23 × 3.09 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
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Top View
5.20 mm5.23 mm0.51 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 483109345
Side View
Table 60.5%Crown 33.8°Girdle: ThinPavilion 41°Culet: NoneDepth 59.4%

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: £886 GBP|Low: £195 GBP|High: £886 GBP|Avg: £322 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7£195 GBP
Retailer 5£204 GBP
Retailer 9£210 GBP
Retailer 4£218 GBP
Retailer 8£263 GBP
Retailer 6£266 GBP
Retailer 11£292 GBP
Retailer 3£293 GBP
Retailer 2£336 GBP
Retailer 10£348 GBP
NZ Jewellers£886 GBP

15 data points across 11 retailers

8 retailers£195 GBP to £886 GBP

A
Cheapest Retailer
-
£195 GBP
Retailer 2
-
£210 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£218 GBP
View
B+
Retailer 4
-
£263 GBP
View
B+
Retailer 5
-
£266 GBP
View
B+
Retailer 6
-
£292 GBP
View
B+
Retailer 7
-
£336 GBP
View
Most Expensive
C
NZ Jewellers
642ef4bc-e0b5-49b4-8f0a-4d2447f01fa6 · Nov 4
£886 GBP
$1,192 USD
View
7 more retailers have this diamond
Prices start from £195 GBPSave up to £690 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
0.51ct Round
£195 GBP