Heart|Natural|GIA

1.64ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 6402161570

Certificate GIA 6402161570

Diamond specifications and retailer prices

From HK$53,048 HKD

₹643,915 INR

As of November 2, 2026

Save HK$1,540 HKD (3%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: HK$117,127 HKD at NZ Jewellers · As of October 21, 2026

View at NZ Jewellers

About this 1.64ct natural heart diamond

This 1.64ct natural heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6402161570. Listed at 13 retailers as of November 1, 2026, with a relatively tight 3% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.64

Carat

Colour

SI2

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishVery Good

SymmetryVery Good

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 6402161570

Dimensions7.19 × 8.01 × 4.57 mm

L/W Ratio1.11

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishVery Good

SymmetryVery Good

FluorescenceNone

CertificateGIA 6402161570

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2

Current: HK$117,127 HKD|Low: HK$52,941 HKD|High: HK$117,127 HKD|Avg: HK$72,745 HKD

NZ Jewellers

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

November 2, 2026

Retailer 2HK$53,048 HKD

Retailer 6HK$59,254 HKD

Retailer 3HK$60,321 HKD

Retailer 9HK$64,644 HKD

Retailer 5HK$65,674 HKD

Retailer 4HK$65,964 HKD

Retailer 10HK$70,026 HKD

Retailer 8HK$71,109 HKD

Retailer 11HK$80,807 HKD

Retailer 7HK$98,121 HKD

NZ JewellersHK$117,127 HKD

42 data points across 11 retailers

13 retailersHK$53,048 HKD to HK$54,589 HKD

B+

Cheapest Retailer

HK$53,048 HKD

₹643,915 INR

B+

Retailer 2

HK$54,589 HKD

A$10,704 AUD

View

Retailer 3

HK$59,254 HKD

$7,552 USD

View

Price last confirmed 12 days ago

Retailer 4

HK$60,321 HKD

$7,688 USD

View

Price last confirmed 12 days ago

Retailer 5

HK$60,533 HKD

$7,715 USD

View

Price last confirmed 13 days ago

Retailer 6

HK$64,644 HKD

$8,239 USD

View

Price last confirmed 17 days ago

Retailer 7

HK$65,674 HKD

£6,591 GBP

View

Price last confirmed 11 days ago

Retailer 8

HK$70,026 HKD

$8,925 USD

View

Price last confirmed 13 days ago

Retailer 9

HK$71,109 HKD

$9,063 USD

View

Price last confirmed 16 days ago

Retailer 10

HK$71,562 HKD

$9,121 USD

View

Price last confirmed 15 days ago

Retailer 11

HK$80,807 HKD

$10,299 USD

View

Price last confirmed 12 days ago

Retailer 12

HK$98,121 HKD

£9,847 GBP

View

Price last confirmed 12 days ago

Most Expensive

NZ Jewellers

04a93c51-6b0a-4b2f-a8e4-88ba889f0eec · Oct 21

HK$117,127 HKD

$14,928 USD

View

Price last confirmed 12 days ago

12 more retailers have this diamond

Prices start from HK$53,048 HKDSave up to HK$1,540 HKD

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.

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B+

1.64ct Heart

HK$53,048 HKD