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Heart|Natural|GIA

0.81ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 2557388656

Certificate GIA 2557388656

Diamond specifications and retailer prices

From $1,866 SGD
$1,460 USD
As of October 31, 2026
Save $1,407 SGD (43%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,273 SGD at MOH London · As of November 1, 2026
View at MOH London

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 2557388656. Listed at 7 retailers as of October 31, 2026, with prices from $1,866 to $3,273, a $1,407 spread on the same certified stone. MOH London lists it at $3,273. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557388656
Dimensions5.68 × 6.46 × 3.76 mm
L/W Ratio1.14
Key to symbols
Feather, Crystal, Cloud
Top View
5.68 mm6.46 mm0.81 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557388656
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 58.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $3,273 SGD|Low: $1,333 SGD|High: $3,312 SGD|Avg: $2,078 SGD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3$1,392 SGD
Retailer 6$1,466 SGD
Retailer 4$1,866 SGD
Retailer 2$2,083 SGD
Retailer 7$2,252 SGD
Retailer 5$2,438 SGD
MOH London$3,273 SGD

43 data points across 7 retailers

7 retailers$1,866 SGD to $3,273 SGD

Retailer 1
-
$1,392 SGD
₹103,686 INR
Price last confirmed 9 days ago
Retailer 2
-
$1,576 SGD
$1,233 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$1,866 SGD
$1,460 USD
View
B+
Retailer 4
-
$2,083 SGD
£1,283 GBP
View
Retailer 5
-
$2,252 SGD
£1,387 GBP
View
Price last confirmed 36 days ago
Retailer 6
-
$2,438 SGD
A$2,934 AUD
View
Price last confirmed 27 days ago
Most Expensive
B
MOH London
F50303162 · Nov 1
$3,273 SGD
£2,016 GBP
View
6 more retailers have this diamond
Prices start from $1,866 SGDSave up to $1,407 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.

B+
0.81ct Heart
$1,866 SGD