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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 £1,020 GBP
$1,369 USD
As of November 2, 2026
Save £567 GBP (36%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,587 GBP 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 £1,020 to £1,587, a £567 spread on the same certified stone. 77 Diamonds lists it at £1,587. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £1,587 GBP|Low: £586 GBP|High: £1,602 GBP|Avg: £1,027 GBP|+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£586 GBP
Retailer 7£873 GBP
Retailer 6£927 GBP
Retailer 3£1,020 GBP
Retailer 4£1,039 GBP
Retailer 2£1,044 GBP
Retailer 5£1,065 GBP
Retailer 8£1,102 GBP
77 Diamonds£1,587 GBP

31 data points across 9 retailers

5 retailers£1,020 GBP to £1,587 GBP

B
Cheapest Retailer
-
£1,020 GBP
$1,369 USD
B
Retailer 2
-
£1,039 GBP
$1,394 USD
View
B
Retailer 3
-
£1,044 GBP
$1,401 USD
View
B
Retailer 4
-
£1,065 GBP
$1,429 USD
View
Most Expensive
B
77 Diamonds
HSMBFNBUXJKC · Nov 3
£1,587 GBP
View
4 more retailers have this diamond
Prices start from £1,020 GBPSave up to £567 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.

B
0.73ct Heart
£1,020 GBP