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Round|Natural|IGI

0.53ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 810633665

Shape and cutting style on the report: Round brilliant

Certificate IGI 810633665

Diamond specifications and retailer prices

From £319 GBP
As of November 6, 2026
Save £687 GBP (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,006 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.53ct natural round diamond

This 0.53ct natural round sits in the half to three-quarter carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 810633665. Listed at 6 retailers as of November 4, 2026, with prices from £319 to £1,006, a £687 spread on the same certified stone. NZ Jewellers lists it at £1,006. 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

0.53
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 810633665
Dimensions5.19 × 5.23 × 3.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.19 mm5.23 mm0.53 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 810633665
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.1°CuletDepth 61.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,006 GBP|Low: £316 GBP|High: £1,006 GBP|Avg: £490 GBP|+0.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 5£319 GBP
Retailer 3£344 GBP
Retailer 4£390 GBP
Retailer 2£419 GBP
NZ Jewellers£1,006 GBP

22 data points across 5 retailers

6 retailers£319 GBP to £1,006 GBP

B+
Cheapest Retailer
-
£319 GBP
B+
Retailer 2
-
£344 GBP
View
B
Retailer 3
-
£390 GBP
View
B
Retailer 4
-
£419 GBP
View
Retailer 5
-
£881 GBP
View
Price last confirmed 34 days ago
Most Expensive
C
NZ Jewellers
5a34a40f-a469-4db7-a9ca-7a81655c3905 · Nov 4
£1,006 GBP
$1,354 USD
View
5 more retailers have this diamond
Prices start from £319 GBPSave up to £687 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.

B+
0.53ct Round
£319 GBP