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Heart|Natural|GIA

0.51ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 6562449878

Certificate GIA 6562449878

Diamond specifications and retailer prices

From HK$4,977 HKD
As of November 6, 2026
Save HK$2,498 HKD (33%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$7,475 HKD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562449878. Listed at 8 retailers as of November 6, 2026, with prices from HK$4,977 to HK$7,475, a HK$2,498 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$7,475. 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

0.51
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.85°
Pavilion angle39.77°
OriginNatural
Grading LabGIA
CertificateGIA 6562449878
Dimensions4.89 × 5.55 × 3.24 mm
L/W Ratio1.13
Culet sizeNone
Top View
4.89 mm5.55 mm0.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6562449878
Side View
Table 59.0%Crown 37.85°Girdle: THN-VTKPavilion 39.77°Culet: NoneDepth 58.3%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: HK$7,312 HKD|Low: HK$4,977 HKD|High: HK$7,475 HKD|Avg: HK$6,134 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 6, 2026
Retailer 5HK$4,977 HKD
Retailer 2HK$5,000 HKD
Retailer 6HK$5,322 HKD
Retailer 3HK$5,808 HKD
Retailer 4HK$5,855 HKD
Retailer 7HK$6,482 HKD
Retailer 1HK$7,312 HKD
Wholesale Diamonds DirectHK$7,475 HKD

24 data points across 8 retailers

8 retailersHK$4,977 HKD to HK$7,475 HKD

B+
Cheapest Retailer
-
HK$4,977 HKD
B+
Retailer 2
-
HK$5,000 HKD
View
B
Retailer 3
-
HK$5,322 HKD
View
B+
Retailer 4
-
HK$5,808 HKD
View
B+
Retailer 5
-
HK$5,855 HKD
View
B
Retailer 6
-
HK$6,482 HKD
View
B
Retailer 7
-
HK$7,312 HKD
View
Most Expensive
B
Wholesale Diamonds Direct
564998639 · Nov 6
HK$7,475 HKD
$954 USD
View
7 more retailers have this diamond
Prices start from HK$4,977 HKDSave up to HK$2,498 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+
0.51ct Heart
HK$4,977 HKD