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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 £7,293 GBP
SGD 13,205 SGD
As of October 31, 2026
Save £2,001 GBP (22%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £9,294 GBP 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 £7,293 to £9,294, a £2,001 spread on the same certified stone. Blue Nile lists it at £9,294. 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

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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: Oct 31
Current: £9,294 GBP|Low: £7,293 GBP|High: £9,651 GBP|Avg: £8,520 GBP|-3.7%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 2£7,293 GBP
Retailer 6£7,895 GBP
Retailer 7£7,998 GBP
Retailer 3£8,290 GBP
Retailer 4£8,380 GBP
Retailer 5£8,550 GBP
Blue Nile£9,294 GBP

33 data points across 7 retailers

7 retailers£7,293 GBP to £9,294 GBP

A+
Cheapest Retailer
-
£7,293 GBP
SGD 13,205 SGD
A
Retailer 2
-
£7,895 GBP
View
A
Retailer 3
-
£7,998 GBP
$10,716 USD
View
A
Retailer 4
-
£8,290 GBP
MYR 45,247 MYR
View
A
Retailer 5
-
£8,380 GBP
₹1,069,407 INR
View
A
Retailer 6
-
£8,550 GBP
A$17,625 AUD
View
Most Expensive
A
Blue Nile
28420086 · Oct 29
£9,294 GBP
$12,453 USD
View
6 more retailers have this diamond
Prices start from £7,293 GBPSave up to £2,001 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+
1.64ct Heart
£7,293 GBP