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Round|Natural|GIA

0.81ct D I1 Round Natural Diamond

VG • D/I1 • GIA 6435664663

Certificate GIA 6435664663

Diamond specifications and retailer prices

From $1,425 AUD
$1,001 USD
As of November 1, 2026
Save $2,205 AUD (61%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,630 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.81ct natural round diamond

This 0.81ct natural round sits in the just-under-one-carat band, graded D colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by GIA 6435664663. Listed at 7 retailers as of October 30, 2026, with prices from $1,425 to $3,630, a $2,205 spread on the same certified stone. NZ Jewellers lists it at $3,630. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.81
Carat
D
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6435664663
Dimensions5.87 × 5.90 × 3.75 mm
L/W Ratio1.01
Top View
5.87 mm5.90 mm0.81 ctD / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6435664663
Side View
Table 57.0%Crown 34°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 63.6%

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: $3,630 AUD|Low: $1,425 AUD|High: $3,630 AUD|Avg: $1,927 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3$1,425 AUD
Retailer 5$1,489 AUD
Retailer 7$1,489 AUD
Retailer 4$1,546 AUD
Retailer 8$1,576 AUD
Retailer 6$1,717 AUD
Retailer 2$2,079 AUD
Retailer 9$2,146 AUD
NZ Jewellers$3,630 AUD

22 data points across 9 retailers

7 retailers$1,425 AUD to $3,630 AUD

A
Cheapest Retailer
-
$1,425 AUD
$1,001 USD
A
Retailer 2
-
$1,489 AUD
$1,046 USD
View
A
Retailer 3
-
$1,489 AUD
$1,046 USD
View
A
Retailer 4
-
$1,546 AUD
$1,086 USD
View
B+
Retailer 5
-
$1,717 AUD
$1,206 USD
View
B+
Retailer 6
-
$2,079 AUD
€1,391 EUR
View
Most Expensive
B
NZ Jewellers
77b68c6e-f6d4-4c94-a05e-7c03948c320c · Oct 30
$3,630 AUD
$2,550 USD
View
6 more retailers have this diamond
Prices start from $1,425 AUDSave up to $2,205 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
0.81ct Round
$1,425 AUD