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Heart|Natural|GIA

0.83ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 1226729613

Certificate GIA 1226729613

Diamond specifications and retailer prices

From $1,665 AUD
$1,167 USD
As of November 1, 2026
Save $1,952 AUD (54%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,617 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.83ct natural heart diamond

This 0.83ct 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 1226729613. Listed at 4 retailers as of November 1, 2026, with prices from $1,665 to $3,617, a $1,952 spread on the same certified stone. MOH London lists it at $3,617. 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

0.83
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1226729613
Dimensions6.05 × 6.75 × 3.42 mm
L/W Ratio1.12
Culet sizeSmall
Top View
6.05 mm6.75 mm0.83 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1226729613
Side View
Table 58.0%CrownGirdle: UNDPavilionCulet: SmallDepth 50.6%

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 1
Current: $3,617 AUD|Low: $1,665 AUD|High: $4,898 AUD|Avg: $3,345 AUD|-25.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 3$1,665 AUD
Retailer 2$2,201 AUD
Retailer 4$3,604 AUD
MOH London$3,617 AUD
Retailer 5$3,687 AUD

43 data points across 5 retailers

4 retailers$1,665 AUD to $3,617 AUD

B+
Cheapest Retailer
-
$1,665 AUD
$1,167 USD
B
Retailer 2
-
$2,201 AUD
£1,215 GBP
View
Retailer 3
-
$3,604 AUD
View
Price last confirmed 27 days ago
Most Expensive
B
MOH London
339A3159C · Nov 1
$3,617 AUD
£1,996 GBP
View
3 more retailers have this diamond
Prices start from $1,665 AUDSave up to $1,952 AUD

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+
0.83ct Heart
$1,665 AUD