Heart|Natural|GIA

0.64ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 7523546094

Certificate GIA 7523546094

Diamond specifications and retailer prices

From $464 USD
MYR 1,889 MYR
As of October 30, 2026
Save $146 USD (24%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $610 USD 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 5 retailers as of October 29, 2026, with prices from $464 to $610, a $146 spread on the same certified stone. Blue Nile lists it at $610. 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
Color
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: $610 USD|Low: $437 USD|High: $710 USD|Avg: $550 USD|-14.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 5$464 USD
Retailer 3$473 USD
Retailer 4$517 USD
Retailer 2$594 USD
Blue Nile$610 USD

37 data points across 5 retailers

5 retailers$464 USD to $610 USD

A
Cheapest Retailer
-
$464 USD
MYR 1,889 MYR
A
Retailer 2
-
$473 USD
View
Final sale: no returns
A
Retailer 3
-
$517 USD
SGD 698 SGD
View
B+
Retailer 4
-
$594 USD
£468 GBP
View
Most Expensive
B+
Blue Nile
25417532 · Oct 29
$610 USD
View
4 more retailers have this diamond
Prices start from $464 USDSave up to $146 USD

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
$464 USD