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Heart|Natural|GIA

1.64ct E IF Heart Natural Diamond

EX • E/IF • GIA 5546738452

Certificate GIA 5546738452

Diamond specifications and retailer prices

From $12,492 SGD
As of November 1, 2026
Save $2,918 SGD (19%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $15,410 SGD at Blue Nile · As of October 31, 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 31, 2026, with prices from $12,492 to $15,410, a $2,918 spread on the same certified stone. Blue Nile lists it at $15,410. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $15,410 SGD|Low: $12,492 SGD|High: $16,531 SGD|Avg: $14,533 SGD|-6.8%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6$12,492 SGD
Retailer 5$13,243 SGD
Retailer 4$13,270 SGD
Retailer 3$14,176 SGD
Retailer 7$14,201 SGD
Retailer 2$14,302 SGD
Blue Nile$15,410 SGD

30 data points across 7 retailers

7 retailers$12,492 SGD to $15,410 SGD

A+
Cheapest Retailer
-
$12,492 SGD
A
Retailer 2
-
$13,243 SGD
$10,359 USD
View
A+
Retailer 3
-
$13,270 SGD
£8,174 GBP
View
A
Retailer 4
-
$14,176 SGD
A$17,060 AUD
View
A
Retailer 5
-
$14,201 SGD
MYR 45,247 MYR
View
A
Retailer 6
-
$14,302 SGD
₹1,065,466 INR
View
Most Expensive
A
Blue Nile
28420086 · Oct 31
$15,410 SGD
$12,054 USD
View
6 more retailers have this diamond
Prices start from $12,492 SGDSave up to $2,918 SGD

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
$12,492 SGD