Heart|Natural|GIA

0.81ct D SI1 Heart Natural Diamond

ID • D/SI1 • GIA 6552621350

Certificate GIA 6552621350

Diamond specifications and retailer prices

From HK$10,495 HKD
A$2,058 AUD
As of November 2, 2026
19 retailers carry this diamond
Most expensive: HK$21,262 HKD at NZ Jewellers · As of September 30, 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 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 6552621350. Listed at 19 retailers as of November 2, 2026. 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
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552621350
Dimensions5.67 × 6.44 × 3.79 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
5.67 mm6.44 mm0.81 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552621350
Side View
Table 61.0%CrownGirdle: VTN-VTKPavilionCulet: NoneDepth 58.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: HK$9,499 HKD|Low: HK$6,182 HKD|High: HK$16,132 HKD|Avg: HK$9,530 HKD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 23, 2026
Retailer 8HK$6,542 HKD
Retailer 13HK$7,491 HKD
Retailer 11HK$7,634 HKD
Retailer 14HK$7,689 HKD
Retailer 4HK$8,042 HKD
Retailer 7HK$8,450 HKD
Retailer 12HK$9,156 HKD
Retailer 1HK$9,499 HKD
Retailer 5HK$9,768 HKD
Retailer 3HK$10,783 HKD
Retailer 9HK$10,985 HKD
Retailer 6HK$11,397 HKD
Retailer 10HK$12,746 HKD
Retailer 2HK$16,052 HKD

23 data points across 14 retailers

19 retailers

Retailer 1
-
HK$6,542 HKD
₹79,414 INR
Price last confirmed 11 days ago
Retailer 2
-
HK$7,491 HKD
$955 USD
View
Price last confirmed 12 days ago
Retailer 3
-
HK$7,634 HKD
$973 USD
View
Price last confirmed 10 days ago
Retailer 4
-
HK$7,689 HKD
$980 USD
View
Price last confirmed 9 days ago
Retailer 5
-
HK$8,450 HKD
$1,077 USD
View
Price last confirmed 10 days ago
Retailer 6
-
HK$8,717 HKD
$1,111 USD
View
Price last confirmed 25 days ago
Retailer 7
-
HK$8,717 HKD
$1,111 USD
View
Price last confirmed 25 days ago
Retailer 8
-
HK$9,054 HKD
$1,154 USD
View
Price last confirmed 32 days ago
Retailer 9
-
HK$9,156 HKD
$1,167 USD
View
Price last confirmed 9 days ago
Retailer 10
-
HK$9,499 HKD
£953 GBP
View
Price last confirmed 10 days ago
Retailer 11
-
HK$9,768 HKD
$1,245 USD
View
Price last confirmed 10 days ago
Retailer 12
-
HK$9,768 HKD
$1,245 USD
View
Price last confirmed 15 days ago
Retailer 13
-
HK$10,058 HKD
$1,282 USD
View
Price last confirmed 24 days ago
A
Retailer 14
-
HK$10,495 HKD
A$2,058 AUD
View
Retailer 15
-
HK$10,783 HKD
£1,082 GBP
View
Price last confirmed 10 days ago
Retailer 16
-
HK$11,397 HKD
A$2,235 AUD
View
Price last confirmed 29 days ago
Retailer 17
-
HK$12,746 HKD
ZAR 26,245 ZAR
View
Price last confirmed 11 days ago
Retailer 18
-
HK$16,052 HKD
£1,611 GBP
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
c68e4afe-76cb-40f4-8c64-a0742ea2593c · Sep 30
HK$21,262 HKD
$2,710 USD
View
Price last confirmed 32 days ago
18 more retailers have this diamond
Prices start from HK$10,495 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$10,495 HKD