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Heart|Natural|GIA

1.51ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 6382477786

Certificate GIA 6382477786

Diamond specifications and retailer prices

From HK$61,189 HKD
$7,799 USD
As of November 2, 2026
Save HK$20,019 HKD (25%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$81,208 HKD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6382477786. Listed at 6 retailers as of November 2, 2026, with prices from HK$61,189 to HK$81,208, a HK$20,019 spread on the same certified stone. 77 Diamonds lists it at HK$81,208. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6382477786
Dimensions6.93 × 8.14 × 4.56 mm
L/W Ratio1.17
Top View
6.93 mm8.14 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6382477786
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 56.0%

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 2
Current: HK$81,208 HKD|Low: HK$60,451 HKD|High: HK$81,735 HKD|Avg: HK$73,106 HKD|+1.8%
77 Diamonds
Retailer 2
Retailer 3
November 2, 2026
Retailer 3HK$61,189 HKD
Retailer 2HK$77,131 HKD
77 DiamondsHK$81,208 HKD

30 data points across 3 retailers

6 retailersHK$61,189 HKD to HK$81,208 HKD

B+
Cheapest Retailer
-
HK$61,189 HKD
$7,799 USD
B+
Retailer 2
-
HK$64,099 HKD
$8,170 USD
View
B+
Retailer 3
-
HK$66,933 HKD
$8,531 USD
View
B
Retailer 4
-
HK$77,131 HKD
$9,831 USD
View
Retailer 5
-
HK$77,131 HKD
$9,831 USD
View
Price last confirmed 19 days ago
Most Expensive
B
77 Diamonds
HSZBDP8PEFC · Nov 2
HK$81,208 HKD
£8,150 GBP
View
5 more retailers have this diamond
Prices start from HK$61,189 HKDSave up to HK$20,019 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+
1.51ct Heart
HK$61,189 HKD