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Round|Natural|GIA

0.64ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 2247708522

Certificate GIA 2247708522

Diamond specifications and retailer prices

From £228 GBP
As of November 5, 2026
Save £790 GBP (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,018 GBP at NZ Jewellers · As of November 4, 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 M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2247708522. Listed at 9 retailers as of November 4, 2026, with prices from £228 to £1,018, a £790 spread on the same certified stone. NZ Jewellers lists it at £1,018. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.64
Carat
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2247708522
Dimensions5.50 × 5.53 × 3.43 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
5.50 mm5.53 mm0.64 ctM / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2247708522
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £431 GBP|Low: £228 GBP|High: £437 GBP|Avg: £363 GBP|+0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 2£228 GBP
Retailer 6£357 GBP
Retailer 4£363 GBP
Retailer 5£386 GBP
Retailer 3£411 GBP
Retailer 1£431 GBP

16 data points across 6 retailers

9 retailers£228 GBP to £1,018 GBP

A
Cheapest Retailer
-
£228 GBP
A
Retailer 2
-
£265 GBP
View
Retailer 3
-
£286 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£296 GBP
View
B+
Retailer 5
-
£357 GBP
View
B+
Retailer 6
-
£357 GBP
View
B+
Retailer 7
-
£363 GBP
View
B+
Retailer 8
-
£431 GBP
View
Most Expensive
C
NZ Jewellers
e2c788a2-7172-4694-86aa-f54af9be30bf · Nov 4
£1,018 GBP
$1,370 USD
View
8 more retailers have this diamond
Prices start from £228 GBPSave up to £790 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
0.64ct Round
£228 GBP