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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 $2,236 NZD
$1,258 USD
As of November 2, 2026
Save $1,540 NZD (41%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,776 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 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 2, 2026, with prices from $2,236 to $3,776, a $1,540 spread on the same certified stone. MOH London lists it at $3,776. 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
Colour
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: $3,776 NZD|Low: $2,200 NZD|High: $3,821 NZD|Avg: $2,721 NZD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 5$2,236 NZD
Retailer 2$2,329 NZD
Retailer 3$2,409 NZD
Retailer 4$2,696 NZD
Retailer 6$2,820 NZD
MOH London$3,776 NZD

43 data points across 6 retailers

6 retailers$2,236 NZD to $3,776 NZD

B+
Cheapest Retailer
-
$2,236 NZD
$1,258 USD
B+
Retailer 2
-
$2,329 NZD
£1,032 GBP
View
B+
Retailer 3
-
$2,409 NZD
£1,067 GBP
View
B+
Retailer 4
-
$2,625 NZD
$1,477 USD
View
Retailer 5
-
$2,696 NZD
A$2,334 AUD
View
Price last confirmed 30 days ago
Most Expensive
B
MOH London
02428AD63 · Nov 2
$3,776 NZD
£1,673 GBP
View
5 more retailers have this diamond
Prices start from $2,236 NZDSave up to $1,540 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
$2,236 NZD