Heart|Natural|GIA

0.81ct D SI1 Heart Natural Diamond

ID • D/SI1 • GIA 6552621350

Certificate GIA 6552621350

Diamond specifications and retailer prices

From $1,710 SGD
A$2,058 AUD
As of November 2, 2026
19 retailers carry this diamond
Most expensive: $3,464 SGD 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: $1,548 SGD|Low: $1,007 SGD|High: $2,629 SGD|Avg: $1,553 SGD|-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$1,066 SGD
Retailer 13$1,221 SGD
Retailer 11$1,244 SGD
Retailer 14$1,253 SGD
Retailer 4$1,310 SGD
Retailer 7$1,377 SGD
Retailer 12$1,492 SGD
Retailer 1$1,548 SGD
Retailer 5$1,592 SGD
Retailer 3$1,757 SGD
Retailer 9$1,790 SGD
Retailer 6$1,857 SGD
Retailer 10$2,077 SGD
Retailer 2$2,616 SGD

23 data points across 14 retailers

19 retailers

Retailer 1
-
$1,066 SGD
₹79,414 INR
Price last confirmed 11 days ago
Retailer 2
-
$1,221 SGD
$955 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$1,244 SGD
$973 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$1,253 SGD
$980 USD
View
Price last confirmed 9 days ago
Retailer 5
-
$1,377 SGD
$1,077 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$1,420 SGD
$1,111 USD
View
Price last confirmed 25 days ago
Retailer 7
-
$1,420 SGD
$1,111 USD
View
Price last confirmed 25 days ago
Retailer 8
-
$1,475 SGD
$1,154 USD
View
Price last confirmed 32 days ago
Retailer 9
-
$1,492 SGD
$1,167 USD
View
Price last confirmed 9 days ago
Retailer 10
-
$1,548 SGD
£953 GBP
View
Price last confirmed 10 days ago
Retailer 11
-
$1,592 SGD
$1,245 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$1,592 SGD
$1,245 USD
View
Price last confirmed 15 days ago
Retailer 13
-
$1,639 SGD
$1,282 USD
View
Price last confirmed 24 days ago
A
Retailer 14
-
$1,710 SGD
A$2,058 AUD
View
Retailer 15
-
$1,757 SGD
£1,082 GBP
View
Price last confirmed 10 days ago
Retailer 16
-
$1,857 SGD
A$2,235 AUD
View
Price last confirmed 29 days ago
Retailer 17
-
$2,077 SGD
ZAR 26,245 ZAR
View
Price last confirmed 11 days ago
Retailer 18
-
$2,616 SGD
£1,611 GBP
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
c68e4afe-76cb-40f4-8c64-a0742ea2593c · Sep 30
$3,464 SGD
$2,710 USD
View
Price last confirmed 32 days ago
18 more retailers have this diamond
Prices start from $1,710 SGD

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
$1,710 SGD