Heart|Natural|GIA

0.81ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6432541353

Certificate GIA 6432541353

Diamond specifications and retailer prices

From $1,470 USD
As of October 31, 2026
Save $1,407 USD (49%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,877 USD 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 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 October 31, 2026, with prices from $1,470 to $2,877, a $1,407 spread on the same certified stone. MOH London lists it at $2,877. 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
Color
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

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,877 USD|Low: $1,567 USD|High: $2,911 USD|Avg: $2,040 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6$1,623 USD
Retailer 5$1,631 USD
Retailer 2$1,652 USD
Retailer 4$2,194 USD
Retailer 3$2,296 USD
MOH London$2,877 USD

40 data points across 6 retailers

6 retailers$1,470 USD to $2,877 USD

B+
Cheapest Retailer
-
$1,470 USD
B+
Retailer 2
-
$1,631 USD
View
B+
Retailer 3
-
$1,652 USD
£1,301 GBP
View
Retailer 4
-
$2,194 USD
A$3,376 AUD
View
Price last confirmed 27 days ago
B
Retailer 5
-
$2,296 USD
€2,187 EUR
View
Most Expensive
B
MOH London
D1D69817E · Nov 1
$2,877 USD
£2,265 GBP
View
5 more retailers have this diamond
Prices start from $1,470 USDSave up to $1,407 USD

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
$1,470 USD