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Heart|Natural|GIA

0.81ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 6531953926

Certificate GIA 6531953926

Diamond specifications and retailer prices

From HK$5,647 HKD
₹68,540 INR
As of November 2, 2026
Save HK$18,041 HKD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$23,687 HKD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 0.81ct natural heart diamond

This 0.81ct natural heart sits in the just-under-one-carat band, graded F 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 6531953926. Listed at 21 retailers as of November 2, 2026, with prices from HK$5,647 to HK$23,687, a HK$18,041 spread on the same certified stone. NZ Jewellers lists it at HK$23,687. 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

0.81
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531953926
Dimensions5.47 × 6.43 × 3.81 mm
L/W Ratio1.18
Top View
5.47 mm6.43 mm0.81 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6531953926
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.3%

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 2
Current: HK$8,930 HKD|Low: HK$5,635 HKD|High: HK$13,980 HKD|Avg: HK$8,366 HKD|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 5HK$5,647 HKD
Retailer 8HK$5,725 HKD
Retailer 11HK$6,829 HKD
Retailer 4HK$7,089 HKD
Retailer 10HK$7,462 HKD
Retailer 12HK$7,595 HKD
Retailer 3HK$7,846 HKD
Retailer 9HK$8,823 HKD
Retailer 1HK$8,930 HKD
Retailer 2HK$9,219 HKD
Retailer 6HK$9,522 HKD
Retailer 7HK$13,831 HKD

24 data points across 12 retailers

21 retailersHK$5,647 HKD to HK$23,687 HKD

A
Cheapest Retailer
-
HK$5,647 HKD
₹68,540 INR
A
Retailer 2
-
HK$5,725 HKD
View
Retailer 3
-
HK$6,829 HKD
€829 EUR
View
Price last confirmed 7 days ago
A
Retailer 4
-
HK$6,967 HKD
$888 USD
View
Final sale: no returns
A
Retailer 5
-
HK$7,054 HKD
$899 USD
View
A
Retailer 6
-
HK$7,089 HKD
SGD 1,221 SGD
View
A
Retailer 7
-
HK$7,462 HKD
$951 USD
View
A
Retailer 8
-
HK$7,556 HKD
$963 USD
View
A
Retailer 9
-
HK$7,595 HKD
$968 USD
View
A
Retailer 10
-
HK$7,846 HKD
$1,000 USD
View
Retailer 11
-
HK$7,896 HKD
SGD 1,360 SGD
View
Price last confirmed 8 days ago
A
Retailer 12
-
HK$8,717 HKD
$1,111 USD
View
A
Retailer 13
-
HK$8,823 HKD
£885 GBP
View
A
Retailer 14
-
HK$8,930 HKD
£896 GBP
View
A
Retailer 15
-
HK$9,219 HKD
$1,175 USD
View
A
Retailer 16
-
HK$9,522 HKD
£956 GBP
View
B+
Retailer 17
-
HK$9,950 HKD
$1,268 USD
View
Retailer 18
-
HK$10,766 HKD
$1,372 USD
View
Price last confirmed 7 days ago
B+
Retailer 19
-
HK$12,330 HKD
CA$2,183 CAD
View
B+
Retailer 20
-
HK$13,831 HKD
£1,388 GBP
View
Most Expensive
B
NZ Jewellers
9a3a4a66-9d39-45f1-a23e-0ebe130b1b12 · Nov 3
HK$23,687 HKD
$3,019 USD
View
20 more retailers have this diamond
Prices start from HK$5,647 HKDSave up to HK$18,041 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
0.81ct Heart
HK$5,647 HKD