Heart|Natural|GIA

1.64ct E IF Heart Natural Diamond

EX • E/IF • GIA 5546738452

Certificate GIA 5546738452

Diamond specifications and retailer prices

From $9,772 USD
SGD 13,205 SGD
As of October 31, 2026
Save $2,681 USD (22%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $12,453 USD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 1.64ct natural heart diamond

This 1.64ct natural heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546738452. Listed at 7 retailers as of October 29, 2026, with prices from $9,772 to $12,453, a $2,681 spread on the same certified stone. Blue Nile lists it at $12,453. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
E
Color
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5546738452
Dimensions7.45 × 8.15 × 4.70 mm
L/W Ratio1.09
Culet sizeNone
Top View
7.45 mm8.15 mm1.64 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546738452
Side View
Table 56.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 57.6%

Caratlytics Score

How it works →
A+
Exceptional
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 31
Current: $12,453 USD|Low: $9,772 USD|High: $12,931 USD|Avg: $11,415 USD|-3.7%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 2$9,772 USD
Retailer 6$10,578 USD
Retailer 7$10,716 USD
Retailer 3$11,108 USD
Retailer 4$11,229 USD
Retailer 5$11,456 USD
Blue Nile$12,453 USD

33 data points across 7 retailers

7 retailers$9,772 USD to $12,453 USD

A+
Cheapest Retailer
-
$9,772 USD
SGD 13,205 SGD
A
Retailer 2
-
$10,578 USD
£8,329 GBP
View
A
Retailer 3
-
$10,716 USD
View
A
Retailer 4
-
$11,108 USD
MYR 45,247 MYR
View
A
Retailer 5
-
$11,229 USD
₹1,069,407 INR
View
A
Retailer 6
-
$11,456 USD
A$17,625 AUD
View
Most Expensive
A
Blue Nile
28420086 · Oct 29
$12,453 USD
View
6 more retailers have this diamond
Prices start from $9,772 USDSave up to $2,681 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+
1.64ct Heart
$9,772 USD