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Heart|Natural|GIA

0.64ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 7523546094

Certificate GIA 7523546094

Diamond specifications and retailer prices

From €413 EUR
MYR 1,889 MYR
As of October 30, 2026
Save €130 EUR (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €544 EUR at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 0.64ct natural heart diamond

This 0.64ct natural heart sits in the half to three-quarter carat band, graded H 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 7523546094. Listed at 4 retailers as of October 29, 2026, with prices from €413 to €544, a €130 spread on the same certified stone. Blue Nile lists it at €544. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7523546094
Dimensions5.43 × 5.99 × 3.55 mm
L/W Ratio1.10
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
5.43 mm5.99 mm0.64 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7523546094
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.3%

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: Oct 30
Current: €544 EUR|Low: €390 EUR|High: €633 EUR|Avg: €490 EUR|-14.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 5€413 EUR
Retailer 3€422 EUR
Retailer 4€461 EUR
Retailer 2€530 EUR
Blue Nile€544 EUR

37 data points across 5 retailers

4 retailers€413 EUR to €544 EUR

A
Cheapest Retailer
-
€413 EUR
MYR 1,889 MYR
A
Retailer 2
-
€461 EUR
SGD 698 SGD
View
B+
Retailer 3
-
€530 EUR
£468 GBP
View
Most Expensive
B+
Blue Nile
25417532 · Oct 29
€544 EUR
$610 USD
View
3 more retailers have this diamond
Prices start from €413 EURSave up to €130 EUR

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 Heart
€413 EUR