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Heart|Natural|GIA

0.64ct H SI1 Heart Natural Diamond

GD • H/SI1 • GIA 6532708411

Certificate GIA 6532708411

Diamond specifications and retailer prices

From $727 NZD
$409 USD
As of November 2, 2026
Save $227 NZD (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $954 NZD at Blue Nile · As of October 31, 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 6532708411. Listed at 4 retailers as of October 31, 2026, with prices from $727 to $954, a $227 spread on the same certified stone. Blue Nile lists it at $954. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.64
Carat
H
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6532708411
Dimensions5.24 × 6.12 × 3.47 mm
L/W Ratio1.17
Top View
5.24 mm6.12 mm0.64 ctH / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6532708411
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 56.6%

Caratlytics Score

How it works →
A
Excellent
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 2
Current: $954 NZD|Low: $698 NZD|High: $1,155 NZD|Avg: $892 NZD|-17.4%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3$727 NZD
Retailer 4$792 NZD
Retailer 2$907 NZD
Blue Nile$954 NZD

39 data points across 4 retailers

4 retailers$727 NZD to $954 NZD

A
Cheapest Retailer
-
$727 NZD
$409 USD
Final sale: no returns
A
Retailer 2
-
$792 NZD
SGD 602 SGD
View
B+
Retailer 3
-
$907 NZD
£402 GBP
View
Most Expensive
B+
Blue Nile
26938277 · Oct 31
$954 NZD
$537 USD
View
3 more retailers have this diamond
Prices start from $727 NZDSave up to $227 NZD

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
$727 NZD