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Heart|Natural|GIA

0.81ct D SI1 Heart Natural Diamond

ID • D/SI1 • GIA 6552621350

Certificate GIA 6552621350

Diamond specifications and retailer prices

From $2,377 NZD
A$2,058 AUD
As of November 2, 2026
19 retailers carry this diamond
Most expensive: $4,816 NZD 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

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

Price History

Last verified: Nov 2
Current: $2,152 NZD|Low: $1,401 NZD|High: $3,654 NZD|Avg: $2,159 NZD|-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$1,482 NZD
Retailer 13$1,697 NZD
Retailer 11$1,729 NZD
Retailer 14$1,742 NZD
Retailer 4$1,822 NZD
Retailer 7$1,914 NZD
Retailer 12$2,074 NZD
Retailer 1$2,152 NZD
Retailer 5$2,213 NZD
Retailer 3$2,443 NZD
Retailer 9$2,489 NZD
Retailer 6$2,582 NZD
Retailer 10$2,887 NZD
Retailer 2$3,636 NZD

23 data points across 14 retailers

19 retailers

Retailer 1
-
$1,482 NZD
₹79,414 INR
Price last confirmed 11 days ago
Retailer 2
-
$1,697 NZD
$955 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$1,729 NZD
$973 USD
View
Price last confirmed 11 days ago
Retailer 4
-
$1,742 NZD
$980 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$1,914 NZD
$1,077 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$1,975 NZD
$1,111 USD
View
Price last confirmed 25 days ago
Retailer 7
-
$1,975 NZD
$1,111 USD
View
Price last confirmed 26 days ago
Retailer 8
-
$2,051 NZD
$1,154 USD
View
Price last confirmed 32 days ago
Retailer 9
-
$2,074 NZD
$1,167 USD
View
Price last confirmed 10 days ago
Retailer 10
-
$2,152 NZD
£953 GBP
View
Price last confirmed 10 days ago
Retailer 11
-
$2,213 NZD
$1,245 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$2,213 NZD
$1,245 USD
View
Price last confirmed 15 days ago
Retailer 13
-
$2,278 NZD
$1,282 USD
View
Price last confirmed 24 days ago
A
Retailer 14
-
$2,377 NZD
A$2,058 AUD
View
Retailer 15
-
$2,443 NZD
£1,082 GBP
View
Price last confirmed 10 days ago
Retailer 16
-
$2,582 NZD
A$2,235 AUD
View
Price last confirmed 29 days ago
Retailer 17
-
$2,887 NZD
ZAR 26,245 ZAR
View
Price last confirmed 12 days ago
Retailer 18
-
$3,636 NZD
£1,611 GBP
View
Price last confirmed 15 days ago
Most Expensive
NZ Jewellers
c68e4afe-76cb-40f4-8c64-a0742ea2593c · Sep 30
$4,816 NZD
$2,710 USD
View
Price last confirmed 33 days ago
18 more retailers have this diamond
Prices start from $2,377 NZD

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
$2,377 NZD