Heart|Natural|GIA

0.50ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6551900624

Certificate GIA 6551900624

Diamond specifications and retailer prices

From HK$3,981 HKD
As of November 6, 2026
Save HK$5,980 HKD (60%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$15,016 HKD at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

About this 0.5ct natural heart diamond

This 0.5ct natural heart sits in the half to three-quarter carat band, graded D 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 6551900624. Listed at 17 retailers as of November 2, 2026, with a 150% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551900624
Dimensions4.82 × 5.57 × 3.21 mm
L/W Ratio1.16
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
4.82 mm5.57 mm0.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6551900624
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 57.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$5,267 HKD|Low: HK$3,848 HKD|High: HK$10,917 HKD|Avg: HK$6,261 HKD|-6.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8HK$3,981 HKD
Retailer 9HK$4,271 HKD
Retailer 1HK$5,267 HKD
Retailer 3HK$5,392 HKD
Retailer 6HK$5,400 HKD
Retailer 7HK$5,839 HKD
Retailer 10HK$6,160 HKD
Retailer 4HK$6,654 HKD
Retailer 2HK$7,022 HKD
Retailer 5HK$9,961 HKD

39 data points across 10 retailers

17 retailersHK$3,981 HKD to HK$9,961 HKD

A
Cheapest Retailer
-
HK$3,981 HKD
Final sale: no returns
A
Retailer 2
-
HK$4,271 HKD
View
Retailer 3
-
HK$4,671 HKD
View
Price last confirmed 37 days ago
Retailer 4
-
HK$4,789 HKD
View
Price last confirmed 46 days ago
Retailer 5
-
HK$5,032 HKD
View
Price last confirmed 37 days ago
B+
Retailer 6
-
HK$5,267 HKD
View
Retailer 7
-
HK$5,392 HKD
View
Price last confirmed 39 days ago
B+
Retailer 8
-
HK$5,392 HKD
View
B+
Retailer 9
-
HK$5,400 HKD
View
Retailer 10
-
HK$5,525 HKD
View
Price last confirmed 44 days ago
B+
Retailer 11
-
HK$5,839 HKD
View
Retailer 12
-
HK$6,160 HKD
View
Price last confirmed 17 days ago
B+
Retailer 13
-
HK$6,654 HKD
View
Retailer 14
-
HK$7,022 HKD
View
Price last confirmed 34 days ago
B
Retailer 15
-
HK$9,961 HKD
View
Retailer 16
-
HK$14,272 HKD
View
Price last confirmed 32 days ago
Most Expensive
NZ Jewellers
49635ef5-a538-412d-96e7-efbe2922fb1f · Sep 21
HK$15,016 HKD
$1,916 USD
View
Price last confirmed 46 days ago
16 more retailers have this diamond
Prices start from HK$3,981 HKDSave up to HK$5,980 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.

A
0.50ct Heart
HK$3,981 HKD