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Heart|Natural|GIA

0.63ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6532643469

Certificate GIA 6532643469

Diamond specifications and retailer prices

From $757 AUD
$532 USD
As of October 31, 2026
Save $196 AUD (21%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $954 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 0.63ct natural heart diamond

This 0.63ct natural heart sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6532643469. Listed at 5 retailers as of October 31, 2026, with prices from $757 to $954, a $196 spread on the same certified stone. Brilliant Earth lists it at $954. 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

0.63
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6532643469
Dimensions6.10 × 5.25 × 3.43 mm
L/W Ratio1.16
Top View
6.10 mm5.25 mm0.63 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6532643469
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 56.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $954 AUD|Low: $733 AUD|High: $1,153 AUD|Avg: $913 AUD|-17.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 3$757 AUD
Retailer 5$774 AUD
Retailer 4$834 AUD
Retailer 2$927 AUD
Brilliant Earth$954 AUD

40 data points across 5 retailers

5 retailers$757 AUD to $954 AUD

A
Cheapest Retailer
-
$757 AUD
$532 USD
Final sale: no returns
A
Retailer 2
-
$774 AUD
MYR 2,214 MYR
View
A
Retailer 3
-
$834 AUD
SGD 792 SGD
View
A
Retailer 4
-
$927 AUD
£513 GBP
View
Most Expensive
A
Brilliant Earth
16020395A · Oct 31
$954 AUD
$670 USD
View
4 more retailers have this diamond
Prices start from $757 AUDSave up to $196 AUD

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
0.63ct Heart
$757 AUD