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Heart|Natural|GIA

0.73ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 5533910841

Certificate GIA 5533910841

Diamond specifications and retailer prices

From $1,953 AUD
$1,369 USD
As of November 2, 2026
Save $1,085 AUD (36%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,039 AUD at 77 Diamonds · As of November 3, 2026
View at 77 Diamonds

About this 0.73ct natural heart diamond

This 0.73ct natural heart sits in the half to three-quarter carat band, graded F 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 5533910841. Listed at 5 retailers as of November 2, 2026, with prices from $1,953 to $3,039, a $1,085 spread on the same certified stone. 77 Diamonds lists it at $3,039. 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

0.73
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.56°
Pavilion angle39.37°
OriginNatural
Grading LabGIA
CertificateGIA 5533910841
Dimensions6.34 × 5.47 × 3.22 mm
L/W Ratio1.16
Culet sizeNone
Top View
6.34 mm5.47 mm0.73 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5533910841
Side View
Table 59.0%Crown 33.56°Girdle: THN-THKPavilion 39.37°Culet: NoneDepth 58.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,039 AUD|Low: $1,122 AUD|High: $3,068 AUD|Avg: $1,967 AUD|+0.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 9$1,122 AUD
Retailer 7$1,671 AUD
Retailer 6$1,776 AUD
Retailer 3$1,953 AUD
Retailer 4$1,989 AUD
Retailer 2$1,999 AUD
Retailer 5$2,039 AUD
Retailer 8$2,110 AUD
77 Diamonds$3,039 AUD

31 data points across 9 retailers

5 retailers$1,953 AUD to $3,039 AUD

B
Cheapest Retailer
-
$1,953 AUD
$1,369 USD
B
Retailer 2
-
$1,989 AUD
$1,394 USD
View
B
Retailer 3
-
$1,999 AUD
$1,401 USD
View
B
Retailer 4
-
$2,039 AUD
$1,429 USD
View
Most Expensive
B
77 Diamonds
HSMBFNBUXJKC · Nov 3
$3,039 AUD
£1,677 GBP
View
4 more retailers have this diamond
Prices start from $1,953 AUDSave up to $1,085 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.

B
0.73ct Heart
$1,953 AUD