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Round|Natural|GIA

1.63ct F I1 Round Natural Diamond

EX • F/I1 • GIA 6234253935

Certificate GIA 6234253935

Diamond specifications and retailer prices

From £5,270 GBP
$7,072 USD
As of November 1, 2026
Save £5,986 GBP (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £11,256 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 F colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6234253935. Listed at 7 retailers as of November 1, 2026, with prices from £5,270 to £11,256, a £5,986 spread on the same certified stone. NZ Jewellers lists it at £11,256. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
F
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6234253935
Dimensions7.56 × 7.58 × 4.68 mm
L/W Ratio1.00
Star length45%
Lower girdle80%
Top View
7.56 mm7.58 mm1.63 ctF / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6234253935
Side View
Table 55.0%Crown 35°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 61.9%

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: £11,256 GBP|Low: £4,533 GBP|High: £11,256 GBP|Avg: £7,004 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3£4,533 GBP
Retailer 9£5,259 GBP
Retailer 4£5,270 GBP
Retailer 8£5,628 GBP
Retailer 6£6,097 GBP
Retailer 5£6,191 GBP
Retailer 7£7,035 GBP
Retailer 2£7,321 GBP
Retailer 10£8,022 GBP
Retailer 11£9,849 GBP
NZ Jewellers£11,256 GBP

19 data points across 11 retailers

7 retailers£5,270 GBP to £11,256 GBP

B+
Cheapest Retailer
-
£5,270 GBP
$7,072 USD
B
Retailer 2
-
£5,628 GBP
$7,552 USD
View
B
Retailer 3
-
£6,097 GBP
$8,182 USD
View
B
Retailer 4
-
£6,191 GBP
$8,308 USD
View
B
Retailer 5
-
£7,035 GBP
$9,440 USD
View
B
Retailer 6
-
£7,321 GBP
€9,357 EUR
View
Most Expensive
B
NZ Jewellers
56c2ebb8-7475-4f09-a426-2550c5ab7188 · Nov 2
£11,256 GBP
$15,105 USD
View
6 more retailers have this diamond
Prices start from £5,270 GBPSave up to £5,986 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
£5,270 GBP