Round|Natural|GIA

0.81ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 3505566471

Certificate GIA 3505566471

Diamond specifications and retailer prices

From $1,111 AUD
As of November 5, 2026
Save $2,373 AUD (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,484 AUD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3505566471. Listed at 9 retailers as of November 5, 2026, with prices from $1,111 to $3,484, a $2,373 spread on the same certified stone. NZ Jewellers lists it at $3,484. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3505566471
Dimensions5.93 × 5.95 × 3.73 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
5.93 mm5.95 mm0.81 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3505566471
Side View
Table 55.0%Crown 36.5°Girdle: Sli. ThickPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $3,484 AUD|Low: $1,111 AUD|High: $3,614 AUD|Avg: $1,639 AUD|-3.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 7$1,111 AUD
Retailer 9$1,137 AUD
Retailer 8$1,153 AUD
Retailer 11$1,153 AUD
Retailer 6$1,281 AUD
Retailer 2$1,341 AUD
Retailer 3$1,367 AUD
Retailer 4$1,560 AUD
Retailer 10$1,964 AUD
Retailer 5$2,033 AUD
NZ Jewellers$3,484 AUD

28 data points across 11 retailers

9 retailers$1,111 AUD to $3,484 AUD

A
Cheapest Retailer
-
$1,111 AUD
A
Retailer 2
-
$1,137 AUD
View
A
Retailer 3
-
$1,153 AUD
View
A
Retailer 4
-
$1,281 AUD
View
A
Retailer 5
-
$1,341 AUD
View
B+
Retailer 6
-
$1,560 AUD
View
B
Retailer 7
-
$1,964 AUD
View
B
Retailer 8
-
$2,033 AUD
View
Most Expensive
C
NZ Jewellers
f82cbf11-ef89-490c-9c8e-28af64f274c3 · Nov 5
$3,484 AUD
$2,439 USD
View
8 more retailers have this diamond
Prices start from $1,111 AUDSave up to $2,373 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
$1,111 AUD