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Heart|Natural|GIA

0.81ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 2446131670

Certificate GIA 2446131670

Diamond specifications and retailer prices

From $1,258 USD
As of November 2, 2026
Save $867 USD (41%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,125 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 G 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 2446131670. Listed at 6 retailers as of November 1, 2026, with prices from $1,258 to $2,125, a $867 spread on the same certified stone. MOH London lists it at $2,125. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2446131670
Dimensions5.66 × 6.59 × 3.72 mm
L/W Ratio1.16
Top View
5.66 mm6.59 mm0.81 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2446131670
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 56.5%

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: $2,125 USD|Low: $1,238 USD|High: $2,150 USD|Avg: $1,529 USD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5$1,258 USD
Retailer 2$1,323 USD
Retailer 3$1,355 USD
Retailer 4$1,517 USD
Retailer 6$1,587 USD
MOH London$2,125 USD

43 data points across 6 retailers

6 retailers$1,258 USD to $2,125 USD

B+
Cheapest Retailer
-
$1,258 USD
B+
Retailer 2
-
$1,323 USD
£1,042 GBP
View
B+
Retailer 3
-
$1,355 USD
£1,067 GBP
View
B+
Retailer 4
-
$1,477 USD
View
Retailer 5
-
$1,517 USD
A$2,334 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
02428AD63 · Nov 1
$2,125 USD
£1,673 GBP
View
5 more retailers have this diamond
Prices start from $1,258 USDSave up to $867 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
$1,258 USD