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Heart|Natural|GIA

0.81ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6432541353

Certificate GIA 6432541353

Diamond specifications and retailer prices

From $2,613 NZD
$1,470 USD
As of November 2, 2026
Save $2,500 NZD (49%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,112 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6432541353. Listed at 6 retailers as of November 2, 2026, with prices from $2,613 to $5,112, a $2,500 spread on the same certified stone. MOH London lists it at $5,112. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle46.18°
Pavilion angle34.32°
OriginNatural
Grading LabGIA
CertificateGIA 6432541353
Dimensions5.90 × 6.55 × 3.55 mm
L/W Ratio1.11
Top View
5.90 mm6.55 mm0.81 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6432541353
Side View
Table 60.0%Crown 46.18°Girdle: THN-THKPavilion 34.32°Culet: NoneDepth 54.3%

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: $5,112 NZD|Low: $2,786 NZD|High: $5,173 NZD|Avg: $3,632 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 6$2,885 NZD
Retailer 5$2,899 NZD
Retailer 2$2,936 NZD
Retailer 4$3,900 NZD
Retailer 3$4,081 NZD
MOH London$5,112 NZD

40 data points across 6 retailers

6 retailers$2,613 NZD to $5,112 NZD

B+
Cheapest Retailer
-
$2,613 NZD
$1,470 USD
B+
Retailer 2
-
$2,899 NZD
$1,631 USD
View
B+
Retailer 3
-
$2,936 NZD
£1,301 GBP
View
Retailer 4
-
$3,900 NZD
A$3,376 AUD
View
Price last confirmed 28 days ago
B
Retailer 5
-
$4,081 NZD
€2,187 EUR
View
Most Expensive
B
MOH London
D1D69817E · Nov 2
$5,112 NZD
£2,265 GBP
View
5 more retailers have this diamond
Prices start from $2,613 NZDSave up to $2,500 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
$2,613 NZD