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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 HK$3,452 HKD
$440 USD
As of November 1, 2026
Save HK$809 HKD (19%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$4,261 HKD at 77 Diamonds · As of November 2, 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 November 1, 2026, with prices from HK$3,452 to HK$4,261, a HK$809 spread on the same certified stone. 77 Diamonds lists it at HK$4,261. 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
Colour
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: Nov 1
Current: HK$4,261 HKD|Low: HK$3,452 HKD|High: HK$4,370 HKD|Avg: HK$3,935 HKD|+2.7%
77 Diamonds
Retailer 2
November 2, 2026
Retailer 2HK$3,452 HKD
77 DiamondsHK$4,261 HKD

31 data points across 2 retailers

2 retailersHK$3,452 HKD to HK$4,261 HKD

B+
Cheapest Retailer
-
HK$3,452 HKD
$440 USD
Most Expensive
B+
77 Diamonds
HSCP4ZEQH8RF · Nov 2
HK$4,261 HKD
£428 GBP
View
1 more retailer has this diamond
Prices start from HK$3,452 HKDSave up to HK$809 HKD

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
HK$3,452 HKD