Round|Natural|GIA

0.64ct H I1 Round Natural Diamond

EX • H/I1 • GIA 6301572866

Certificate GIA 6301572866

Diamond specifications and retailer prices

From £602 GBP
$806 USD
As of October 29, 2026
Save £330 GBP (35%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,083 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.64ct natural round diamond

This 0.64ct 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 GIA 6301572866. Listed at 7 retailers as of October 29, 2026, with a 55% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.64
Carat
H
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6301572866
Dimensions5.48 × 5.52 × 3.41 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
5.48 mm5.52 mm0.64 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6301572866
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

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: Oct 29
Current: £2,083 GBP|Low: £602 GBP|High: £2,083 GBP|Avg: £923 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6£602 GBP
Retailer 3£610 GBP
Retailer 4£625 GBP
Retailer 5£694 GBP
Retailer 7£696 GBP
Retailer 2£932 GBP
Retailer 8£967 GBP
NZ Jewellers£2,083 GBP

22 data points across 8 retailers

7 retailers£602 GBP to £932 GBP

B+
Cheapest Retailer
-
£602 GBP
$806 USD
Retailer 2
-
£602 GBP
$806 USD
View
Price last confirmed 48 days ago
B+
Retailer 3
-
£610 GBP
$818 USD
View
B+
Retailer 4
-
£625 GBP
$837 USD
View
B
Retailer 5
-
£694 GBP
$930 USD
View
B
Retailer 6
-
£932 GBP
€1,189 EUR
View
Most Expensive
NZ Jewellers
2d828c91-aa6d-48e0-a783-432472311af2 · Oct 30
£2,083 GBP
$2,791 USD
View
Price under review
6 more retailers have this diamond
Prices start from £602 GBPSave up to £330 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+
0.64ct Round
£602 GBP