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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 $920 SGD
₹68,540 INR
As of November 2, 2026
Save $2,941 SGD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,861 SGD at NZ Jewellers · As of October 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 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 October 30, 2026, with prices from $920 to $3,861, a $2,941 spread on the same certified stone. NZ Jewellers lists it at $3,861. 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

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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: $920 SGD|Low: $919 SGD|High: $2,279 SGD|Avg: $1,366 SGD|-3.5%
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 2, 2026
Retailer 1$920 SGD
Retailer 8$933 SGD
Retailer 11$1,113 SGD
Retailer 4$1,156 SGD
Retailer 10$1,216 SGD
Retailer 12$1,238 SGD
Retailer 3$1,279 SGD
Retailer 9$1,438 SGD
Retailer 6$1,456 SGD
Retailer 2$1,503 SGD
Retailer 5$1,552 SGD
Retailer 7$2,254 SGD

23 data points across 12 retailers

21 retailers$920 SGD to $3,861 SGD

A
Cheapest Retailer
-
$920 SGD
₹68,540 INR
A
Retailer 2
-
$933 SGD
HK$5,700 HKD
View
Retailer 3
-
$1,113 SGD
€829 EUR
View
Price last confirmed 7 days ago
A
Retailer 4
-
$1,136 SGD
$888 USD
View
Final sale: no returns
A
Retailer 5
-
$1,150 SGD
$899 USD
View
A
Retailer 6
-
$1,156 SGD
View
A
Retailer 7
-
$1,216 SGD
$951 USD
View
A
Retailer 8
-
$1,232 SGD
$963 USD
View
A
Retailer 9
-
$1,238 SGD
$968 USD
View
A
Retailer 10
-
$1,279 SGD
$1,000 USD
View
Retailer 11
-
$1,287 SGD
View
Price last confirmed 7 days ago
A
Retailer 12
-
$1,421 SGD
$1,111 USD
View
A
Retailer 13
-
$1,438 SGD
£885 GBP
View
A
Retailer 14
-
$1,456 SGD
£896 GBP
View
A
Retailer 15
-
$1,503 SGD
$1,175 USD
View
A
Retailer 16
-
$1,552 SGD
£956 GBP
View
B+
Retailer 17
-
$1,622 SGD
$1,268 USD
View
B+
Retailer 18
-
$1,755 SGD
$1,372 USD
View
B+
Retailer 19
-
$2,010 SGD
CA$2,183 CAD
View
B+
Retailer 20
-
$2,254 SGD
£1,388 GBP
View
Most Expensive
B
NZ Jewellers
9a3a4a66-9d39-45f1-a23e-0ebe130b1b12 · Oct 30
$3,861 SGD
$3,019 USD
View
20 more retailers have this diamond
Prices start from $920 SGDSave up to $2,941 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
$920 SGD