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Cushion|Natural|GIA

0.64ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 3535446913

Certificate GIA 3535446913

Diamond specifications and retailer prices

From £303 GBP
$406 USD
As of November 2, 2026
Save £518 GBP (63%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £821 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 0.64ct natural cushion diamond

This 0.64ct natural cushion sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3535446913. Listed at 10 retailers as of November 2, 2026, with prices from £303 to £821, a £518 spread on the same certified stone. Do Amore Diamonds lists it at £821. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3535446913
Dimensions4.93 × 4.75 × 3.17 mm
L/W Ratio1.04
Top View
4.93 mm4.75 mm0.64 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3535446913
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 66.7%

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 2
Current: £821 GBP|Low: £281 GBP|High: £918 GBP|Avg: £448 GBP|-10.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6£303 GBP
Retailer 10£327 GBP
Retailer 8£366 GBP
Retailer 3£391 GBP
Retailer 7£402 GBP
Retailer 2£419 GBP
Retailer 4£433 GBP
Retailer 9£433 GBP
Retailer 5£448 GBP
Do Amore Diamonds£821 GBP

32 data points across 10 retailers

10 retailers£303 GBP to £821 GBP

A
Cheapest Retailer
-
£303 GBP
$406 USD
Final sale: no returns
A
Retailer 2
-
£327 GBP
MYR 1,784 MYR
View
A
Retailer 3
-
£366 GBP
SGD 662 SGD
View
A
Retailer 4
-
£391 GBP
$524 USD
View
A
Retailer 5
-
£402 GBP
$538 USD
View
A
Retailer 6
-
£419 GBP
View
A
Retailer 7
-
£433 GBP
$580 USD
View
A
Retailer 8
-
£433 GBP
$580 USD
View
A
Retailer 9
-
£448 GBP
$600 USD
View
Most Expensive
B
Do Amore Diamonds
12-100766551100 · Nov 2
£821 GBP
$1,100 USD
View
9 more retailers have this diamond
Prices start from £303 GBPSave up to £518 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 Cushion
£303 GBP