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Heart|Natural|GIA

0.45ct D SI1 Heart Natural Diamond

GD • D/SI1 • GIA 5566311791

Certificate GIA 5566311791

Diamond specifications and retailer prices

From $615 CAD
$440 USD
As of October 28, 2026
Save $144 CAD (19%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $759 CAD at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

About this 0.45ct natural heart diamond

This 0.45ct natural heart sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 5566311791. Listed at 2 retailers as of October 28, 2026, with prices from $615 to $759, a $144 spread on the same certified stone. 77 Diamonds lists it at $759. 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

0.45
Carat
D
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishGood
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5566311791
Dimensions4.96 × 4.97 × 3.16 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Cavity
Top View
4.96 mm4.97 mm0.45 ctD / SI1
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceMedium
CertificateGIA 5566311791
Side View
Table 58.0%CrownGirdle: STK-ETKPavilionCuletDepth 63.6%

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: Oct 28
Current: $759 CAD|Low: $615 CAD|High: $778 CAD|Avg: $702 CAD|+2.7%
77 Diamonds
Retailer 2
October 31, 2026
Retailer 2$615 CAD
77 Diamonds$759 CAD

29 data points across 2 retailers

2 retailers$615 CAD to $759 CAD

B+
Cheapest Retailer
-
$615 CAD
$440 USD
Most Expensive
B+
77 Diamonds
HSCP4ZEQH8RF · Oct 31
$759 CAD
£428 GBP
View
1 more retailer has this diamond
Prices start from $615 CADSave up to $144 CAD

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+
0.45ct Heart
$615 CAD