Heart|Natural|GIA

0.81ct D SI1 Heart Natural Diamond

ID • D/SI1 • GIA 6552621350

Certificate GIA 6552621350

Diamond specifications and retailer prices

From $1,338 USD
A$2,058 AUD
As of October 31, 2026
20 retailers carry this diamond
Most expensive: $2,710 USD 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 20 retailers as of October 31, 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
Color
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: Oct 31
Current: $1,211 USD|Low: $788 USD|High: $2,056 USD|Avg: $1,215 USD|-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 8$834 USD
Retailer 13$955 USD
Retailer 11$973 USD
Retailer 14$980 USD
Retailer 4$1,025 USD
Retailer 7$1,077 USD
Retailer 12$1,167 USD
Retailer 1$1,211 USD
Retailer 5$1,245 USD
Retailer 3$1,374 USD
Retailer 9$1,400 USD
Retailer 6$1,453 USD
Retailer 10$1,625 USD
Retailer 2$2,046 USD

23 data points across 14 retailers

20 retailers

Retailer 1
-
$834 USD
₹79,414 INR
Price last confirmed 10 days ago
Retailer 2
-
$955 USD
View
Price last confirmed 11 days ago
Retailer 3
-
$973 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$980 USD
View
Price last confirmed 9 days ago
Retailer 5
-
$1,077 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$1,111 USD
View
Price last confirmed 24 days ago
Retailer 7
-
$1,111 USD
View
Price last confirmed 25 days ago
Retailer 8
-
$1,154 USD
View
Price last confirmed 31 days ago
Retailer 9
-
$1,167 USD
View
Price last confirmed 9 days ago
Retailer 10
-
$1,211 USD
£953 GBP
View
Price last confirmed 9 days ago
Retailer 11
-
$1,245 USD
View
Price last confirmed 9 days ago
Retailer 12
-
$1,245 USD
View
Price last confirmed 14 days ago
Retailer 13
-
$1,282 USD
View
Price last confirmed 23 days ago
A
Retailer 14
-
$1,338 USD
A$2,058 AUD
View
Retailer 15
-
$1,374 USD
£1,082 GBP
View
Price last confirmed 9 days ago
Retailer 16
-
$1,400 USD
£1,103 GBP
View
Price last confirmed 10 days ago
Retailer 17
-
$1,453 USD
A$2,235 AUD
View
Price last confirmed 28 days ago
Retailer 18
-
$1,625 USD
ZAR 26,245 ZAR
View
Price last confirmed 11 days ago
Retailer 19
-
$2,046 USD
£1,611 GBP
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
c68e4afe-76cb-40f4-8c64-a0742ea2593c · Sep 30
$2,710 USD
View
Price last confirmed 32 days ago
19 more retailers have this diamond
Prices start from $1,338 USD

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
$1,338 USD