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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 $2,595 NZD
$1,460 USD
As of November 2, 2026
Save $1,956 NZD (43%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,550 NZD at MOH London · As of November 2, 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 November 2, 2026, with prices from $2,595 to $4,550, a $1,956 spread on the same certified stone. MOH London lists it at $4,550. 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: Nov 2
Current: $4,550 NZD|Low: $1,854 NZD|High: $4,605 NZD|Avg: $2,890 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3$1,935 NZD
Retailer 6$2,039 NZD
Retailer 4$2,595 NZD
Retailer 2$2,897 NZD
Retailer 7$3,131 NZD
Retailer 5$3,389 NZD
MOH London$4,550 NZD

43 data points across 7 retailers

7 retailers$2,595 NZD to $4,550 NZD

Retailer 1
-
$1,935 NZD
₹103,686 INR
Price last confirmed 10 days ago
Retailer 2
-
$2,191 NZD
$1,233 USD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
$2,595 NZD
$1,460 USD
View
B+
Retailer 4
-
$2,897 NZD
£1,283 GBP
View
Retailer 5
-
$3,131 NZD
£1,387 GBP
View
Price last confirmed 37 days ago
Retailer 6
-
$3,389 NZD
A$2,934 AUD
View
Price last confirmed 27 days ago
Most Expensive
B
MOH London
F50303162 · Nov 2
$4,550 NZD
£2,016 GBP
View
6 more retailers have this diamond
Prices start from $2,595 NZDSave up to $1,956 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.

B+
0.81ct Heart
$2,595 NZD