CaratHunter
Plans
Round|Natural|GIA

0.63ct I I1 Round Natural Diamond

EX • I/I1 • GIA 7421088218

Certificate GIA 7421088218

Diamond specifications and retailer prices

From £420 GBP
HK$4,400 HKD
As of October 30, 2026
Save £1,150 GBP (73%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,570 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 I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 7421088218. Listed at 7 retailers as of October 27, 2026, with prices from £420 to £1,570, a £1,150 spread on the same certified stone. NZ Jewellers lists it at £1,570. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.63
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7421088218
Dimensions5.50 × 5.46 × 3.39 mm
L/W Ratio1.01
Top View
5.50 mm5.46 mm0.63 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7421088218
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 61.8%

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: Oct 30
Current: £1,570 GBP|Low: £316 GBP|High: £1,570 GBP|Avg: £631 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3£389 GBP
Retailer 8£420 GBP
Retailer 5£501 GBP
Retailer 6£520 GBP
Retailer 4£578 GBP
Retailer 7£594 GBP
Retailer 11£608 GBP
Retailer 2£713 GBP
Retailer 9£735 GBP
Retailer 10£809 GBP
NZ Jewellers£1,570 GBP

10 data points across 11 retailers

7 retailers£420 GBP to £1,570 GBP

A
Cheapest Retailer
-
£420 GBP
HK$4,400 HKD
B+
Retailer 2
-
£501 GBP
$671 USD
View
B+
Retailer 3
-
£520 GBP
$697 USD
View
B+
Retailer 4
-
£578 GBP
$774 USD
View
B+
Retailer 5
-
£594 GBP
$796 USD
View
B+
Retailer 6
-
£713 GBP
€910 EUR
View
Most Expensive
C
NZ Jewellers
a111c369-314a-41f8-aabc-1131e1a12a3e · Oct 27
£1,570 GBP
$2,104 USD
View
6 more retailers have this diamond
Prices start from £420 GBPSave up to £1,150 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
£420 GBP