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Round|Natural|IGI

0.63ct H I1 Round Natural Diamond

EX • H/I1 • IGI 670417536

Shape and cutting style on the report: Round brilliant

Certificate IGI 670417536

Diamond specifications and retailer prices

From £463 GBP
€591 EUR
As of October 27, 2026
Save £496 GBP (52%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £959 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.63ct natural round diamond

This 0.63ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 670417536. Listed at 2 retailers as of October 27, 2026, with prices from £463 to £959, a £496 spread on the same certified stone. NZ Jewellers lists it at £959. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.63
Carat
H
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 670417536
Dimensions5.39 × 5.41 × 3.43 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
5.39 mm5.41 mm0.63 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 670417536
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41°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: Oct 27
Current: £959 GBP|Low: £285 GBP|High: £972 GBP|Avg: £473 GBP|-1.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 27, 2026
Retailer 4£285 GBP
Retailer 3£385 GBP
Retailer 2£463 GBP
NZ Jewellers£959 GBP

21 data points across 4 retailers

2 retailers£463 GBP to £959 GBP

A
Cheapest Retailer
-
£463 GBP
€591 EUR
Most Expensive
B
NZ Jewellers
19e4c836-fab8-430e-9fed-3a60ba14b8fb · Oct 27
£959 GBP
$1,285 USD
View
1 more retailer has this diamond
Prices start from £463 GBPSave up to £496 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
0.63ct Round
£463 GBP