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Heart|Natural|GIA

0.73ct F SI1 Heart Natural Diamond

GD • F/SI1 • GIA 5563255187

Certificate GIA 5563255187

Diamond specifications and retailer prices

From $1,038 SGD
As of November 5, 2026
Save $137 SGD (12%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,175 SGD at Blue Nile · As of November 5, 2026
View at Blue Nile

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 standard cut grade stated by the retailer rather than the lab and certified by GIA 5563255187. Listed at 4 retailers as of November 5, 2026, with a relatively tight 13% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

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

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5563255187
Dimensions5.47 × 6.38 × 3.55 mm
L/W Ratio1.17
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.47 mm6.38 mm0.73 ctF / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5563255187
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 55.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,175 SGD|Low: $1,038 SGD|High: $1,260 SGD|Avg: $1,100 SGD|-6.7%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3$1,038 SGD
Retailer 4$1,061 SGD
Retailer 2$1,105 SGD
Blue Nile$1,175 SGD

41 data points across 4 retailers

4 retailers$1,038 SGD to $1,175 SGD

B+
Cheapest Retailer
-
$1,038 SGD
B+
Retailer 2
-
$1,061 SGD
View
B+
Retailer 3
-
$1,105 SGD
View
Most Expensive
B
Blue Nile
30160364 · Nov 5
$1,175 SGD
$917 USD
View
3 more retailers have this diamond
Prices start from $1,038 SGDSave up to $137 SGD

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
$1,038 SGD