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Round|Natural|IGI

1.63ct J IF Round Natural Diamond

EX • J/IF • IGI 705538435

Shape and cutting style on the report: Round brilliant

Certificate IGI 705538435

Diamond specifications and retailer prices

From £3,424 GBP
$4,595 USD
As of November 1, 2026
Save £4,134 GBP (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £7,558 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.63ct natural round diamond

This 1.63ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 705538435. Listed at 15 retailers as of November 1, 2026, with prices from £3,424 to £7,558, a £4,134 spread on the same certified stone. NZ Jewellers lists it at £7,558. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 705538435
Dimensions7.49 × 7.52 × 4.69 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.49 mm7.52 mm1.63 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 705538435
Side View
Table 56.0%Crown 36°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.5%

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 1
Current: £4,428 GBP|Low: £3,424 GBP|High: £6,737 GBP|Avg: £5,037 GBP|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 3£3,424 GBP
Retailer 7£4,171 GBP
Retailer 1£4,428 GBP
Retailer 8£4,519 GBP
Retailer 2£4,915 GBP
Retailer 6£5,378 GBP
Retailer 5£5,552 GBP
Retailer 4£6,658 GBP

40 data points across 8 retailers

15 retailers£3,424 GBP to £7,558 GBP

A
Cheapest Retailer
-
£3,424 GBP
$4,595 USD
A
Retailer 2
-
£3,941 GBP
$5,289 USD
View
A
Retailer 3
-
£4,171 GBP
$5,597 USD
View
Final sale: no returns
A
Retailer 4
-
£4,210 GBP
$5,650 USD
View
A
Retailer 5
-
£4,428 GBP
View
A
Retailer 6
-
£4,519 GBP
$6,064 USD
View
A
Retailer 7
-
£4,519 GBP
$6,064 USD
View
A
Retailer 8
-
£4,519 GBP
$6,064 USD
View
A
Retailer 9
-
£4,618 GBP
$6,197 USD
View
A
Retailer 10
-
£4,635 GBP
$6,221 USD
View
A
Retailer 11
-
£4,915 GBP
€6,282 EUR
View
B+
Retailer 12
-
£5,214 GBP
$6,997 USD
View
B+
Retailer 13
-
£5,552 GBP
ZAR 120,364 ZAR
View
B
Retailer 14
-
£6,658 GBP
View
Most Expensive
B
NZ Jewellers
eae4c5f8-5d64-45a5-9a11-24047f9a27fd · Nov 2
£7,558 GBP
$10,142 USD
View
14 more retailers have this diamond
Prices start from £3,424 GBPSave up to £4,134 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
1.63ct Round
£3,424 GBP