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Round|Natural|IGI

0.52ct I SI2 Round Natural Diamond

GD • I/SI2 • IGI 625400410

Shape and cutting style on the report: Round brilliant

Certificate IGI 625400410

Diamond specifications and retailer prices

From £258 GBP
$346 USD
As of October 29, 2026
Save £814 GBP (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,072 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.52ct natural round diamond

This 0.52ct natural round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by IGI 625400410. Listed at 15 retailers as of October 29, 2026, with prices from £258 to £1,072, a £814 spread on the same certified stone. NZ Jewellers lists it at £1,072. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.52
Carat
I
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.6°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 625400410
Dimensions5.37 × 5.29 × 3.03 mm
L/W Ratio1.02
Culet sizeNone
Top View
5.37 mm5.29 mm0.52 ctI / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 625400410
Side View
Table 69.0%Crown 31.6°Girdle: MediumPavilion 41.5°Culet: NoneDepth 56.8%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: £1,072 GBP|Low: £215 GBP|High: £1,072 GBP|Avg: £446 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 8£258 GBP
Retailer 12£280 GBP
Retailer 5£291 GBP
Retailer 11£304 GBP
Retailer 9£312 GBP
Retailer 13£377 GBP
Retailer 3£377 GBP
Retailer 7£393 GBP
Retailer 4£420 GBP
Retailer 2£458 GBP
Retailer 10£627 GBP
Retailer 6£650 GBP
NZ Jewellers£1,072 GBP

25 data points across 13 retailers

15 retailers£258 GBP to £1,072 GBP

B+
Cheapest Retailer
-
£258 GBP
$346 USD
Final sale: no returns
Retailer 2
-
£280 GBP
$375 USD
View
Price last confirmed 51 days ago
B+
Retailer 3
-
£280 GBP
$375 USD
View
Retailer 4
-
£291 GBP
$390 USD
View
Price last confirmed 76 days ago
B+
Retailer 5
-
£312 GBP
$418 USD
View
Retailer 6
-
£377 GBP
$505 USD
View
Price last confirmed 54 days ago
B+
Retailer 7
-
£377 GBP
$505 USD
View
B+
Retailer 8
-
£377 GBP
$506 USD
View
B+
Retailer 9
-
£393 GBP
View
B+
Retailer 10
-
£458 GBP
€584 EUR
View
B+
Retailer 11
-
£489 GBP
€624 EUR
View
B
Retailer 12
-
£627 GBP
€800 EUR
View
B
Retailer 13
-
£650 GBP
View
Retailer 14
-
£1,072 GBP
$1,437 USD
View
Price last confirmed 51 days ago
Most Expensive
C
NZ Jewellers
2cd2c698-66b5-4c7a-aeef-4de6143e78fc · Oct 30
£1,072 GBP
$1,437 USD
View
14 more retailers have this diamond
Prices start from £258 GBPSave up to £814 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+
0.52ct Round
£258 GBP