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Heart|Natural|GIA

1.51ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 6565678111

Certificate GIA 6565678111

Diamond specifications and retailer prices

From HK$17,070 HKD
As of November 5, 2026
Save HK$13,757 HKD (45%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$30,826 HKD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565678111. Listed at 8 retailers as of November 5, 2026, with prices from HK$17,070 to HK$30,826, a HK$13,757 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$30,826. 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

1.51
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.47°
Pavilion angle38.33°
OriginNatural
Grading LabGIA
CertificateGIA 6565678111
Dimensions7.81 × 6.95 × 4.66 mm
L/W Ratio1.12
Culet sizeNone
Top View
7.81 mm6.95 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565678111
Side View
Table 57.0%Crown 35.47°Girdle: STK-VTKPavilion 38.33°Culet: NDepth 59.6%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: HK$19,735 HKD|Low: HK$17,046 HKD|High: HK$30,826 HKD|Avg: HK$21,008 HKD|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 6, 2026
Retailer 2HK$17,070 HKD
Retailer 7HK$17,564 HKD
Retailer 3HK$18,128 HKD
Retailer 4HK$18,441 HKD
Retailer 1HK$19,735 HKD
Retailer 6HK$20,079 HKD
Retailer 5HK$21,733 HKD
Wholesale Diamonds DirectHK$30,826 HKD

16 data points across 8 retailers

8 retailersHK$17,070 HKD to HK$30,826 HKD

A
Cheapest Retailer
-
HK$17,070 HKD
A
Retailer 2
-
HK$17,564 HKD
View
A
Retailer 3
-
HK$18,128 HKD
View
A
Retailer 4
-
HK$18,441 HKD
View
A
Retailer 5
-
HK$19,735 HKD
View
A
Retailer 6
-
HK$20,079 HKD
View
B+
Retailer 7
-
HK$21,733 HKD
View
Most Expensive
B+
Wholesale Diamonds Direct
585254021 · Nov 6
HK$30,826 HKD
$3,933 USD
View
7 more retailers have this diamond
Prices start from HK$17,070 HKDSave up to HK$13,757 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
1.51ct Heart
HK$17,070 HKD