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Round|Natural|GIA

1.63ct J I1 Round Natural Diamond

EX • J/I1 • GIA 1498942350

Certificate GIA 1498942350

Diamond specifications and retailer prices

From £2,844 GBP
$3,816 USD
As of November 1, 2026
Save £2,788 GBP (50%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £5,631 GBP at NZ Jewellers · As of October 30, 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 1498942350. Listed at 7 retailers as of October 30, 2026, with prices from £2,844 to £5,631, a £2,788 spread on the same certified stone. NZ Jewellers lists it at £5,631. 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
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1498942350
Dimensions7.61 × 7.64 × 4.60 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Needle
Top View
7.61 mm7.64 mm1.63 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1498942350
Side View
Table 59.0%Crown 33.5°Girdle: MED-MEDPavilion 41°Culet: NoneDepth 60.3%

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: Nov 1
Current: £5,631 GBP|Low: £2,844 GBP|High: £5,631 GBP|Avg: £3,629 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3£2,844 GBP
Retailer 8£2,904 GBP
Retailer 4£3,232 GBP
Retailer 5£3,232 GBP
Retailer 7£3,232 GBP
Retailer 2£3,642 GBP
Retailer 6£3,730 GBP
Retailer 9£3,846 GBP
NZ Jewellers£5,631 GBP

23 data points across 9 retailers

7 retailers£2,844 GBP to £5,631 GBP

B+
Cheapest Retailer
-
£2,844 GBP
$3,816 USD
B+
Retailer 2
-
£3,232 GBP
$4,337 USD
View
B+
Retailer 3
-
£3,232 GBP
$4,337 USD
View
B+
Retailer 4
-
£3,232 GBP
$4,337 USD
View
B
Retailer 5
-
£3,642 GBP
€4,654 EUR
View
B
Retailer 6
-
£3,730 GBP
$5,005 USD
View
Most Expensive
B
NZ Jewellers
cf313bab-b124-46b1-8976-573409251003 · Oct 30
£5,631 GBP
$7,557 USD
View
6 more retailers have this diamond
Prices start from £2,844 GBPSave up to £2,788 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+
1.63ct Round
£2,844 GBP