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Round|Natural|GIA

0.82ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6451590559

Certificate GIA 6451590559

Diamond specifications and retailer prices

From $1,915 AUD
$1,345 USD
As of November 1, 2026
Save $2,623 AUD (58%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,538 AUD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 0.82ct natural round diamond

This 0.82ct natural round sits in the just-under-one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6451590559. Listed at 5 retailers as of October 31, 2026, with prices from $1,915 to $4,538, a $2,623 spread on the same certified stone. Diamond Quarter lists it at $4,538. 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

0.82
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6451590559
Dimensions5.96 × 5.95 × 3.76 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
5.96 mm5.95 mm0.82 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6451590559
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,090 AUD|Low: $1,915 AUD|High: $4,028 AUD|Avg: $2,707 AUD|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4$1,915 AUD
Retailer 5$2,097 AUD
Retailer 3$2,530 AUD
Retailer 1$3,090 AUD
Retailer 2$3,979 AUD

36 data points across 5 retailers

5 retailers$1,915 AUD to $4,538 AUD

A
Cheapest Retailer
-
$1,915 AUD
$1,345 USD
B+
Retailer 2
-
$2,530 AUD
£1,399 GBP
View
B
Retailer 3
-
$3,090 AUD
€2,067 EUR
View
B
Retailer 4
-
$3,979 AUD
£2,201 GBP
View
Most Expensive
B
Diamond Quarter
0.82SI2H6459526CN · Oct 31
$4,538 AUD
£2,510 GBP
View
4 more retailers have this diamond
Prices start from $1,915 AUDSave up to $2,623 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.

A
0.82ct Round
$1,915 AUD