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Round|Natural|GIA

0.81ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6562651309

Certificate GIA 6562651309

Diamond specifications and retailer prices

From $1,793 AUD
SGD 1,702 SGD
As of October 31, 2026
Save $1,427 AUD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,220 AUD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 0.81ct natural round diamond

This 0.81ct natural round sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562651309. Listed at 14 retailers as of October 31, 2026, with prices from $1,793 to $3,220, a $1,427 spread on the same certified stone. Helzberg Diamonds lists it at $3,220. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6562651309
Dimensions5.92 × 5.96 × 3.73 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.92 mm5.96 mm0.81 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562651309
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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: Oct 31
Current: $3,220 AUD|Low: $1,797 AUD|High: $3,220 AUD|Avg: $2,275 AUD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 10$1,797 AUD
Retailer 7$1,822 AUD
Retailer 3$1,828 AUD
Retailer 13$1,851 AUD
Retailer 4$1,956 AUD
Retailer 8$1,997 AUD
Retailer 9$2,192 AUD
Retailer 2$2,255 AUD
Retailer 11$2,432 AUD
Retailer 5$2,515 AUD
Retailer 6$2,580 AUD
Retailer 12$2,892 AUD
Helzberg Diamonds$3,220 AUD

15 data points across 13 retailers

14 retailers$1,793 AUD to $3,220 AUD

A
Cheapest Retailer
-
$1,793 AUD
SGD 1,702 SGD
A
Retailer 2
-
$1,797 AUD
$1,262 USD
View
A
Retailer 3
-
$1,822 AUD
$1,280 USD
View
A
Retailer 4
-
$1,828 AUD
$1,284 USD
View
A
Retailer 5
-
$1,851 AUD
$1,300 USD
View
B+
Retailer 6
-
$1,956 AUD
SGD 1,857 SGD
View
B+
Retailer 7
-
$1,997 AUD
£1,105 GBP
View
B+
Retailer 8
-
$2,192 AUD
$1,540 USD
View
B+
Retailer 9
-
$2,255 AUD
$1,584 USD
View
B+
Retailer 10
-
$2,432 AUD
£1,345 GBP
View
B
Retailer 11
-
$2,515 AUD
$1,766 USD
View
B+
Retailer 12
-
$2,580 AUD
€1,726 EUR
View
B
Retailer 13
-
$2,892 AUD
$2,031 USD
View
Most Expensive
B
Helzberg Diamonds
XZRMLMIMLHJGP · Nov 1
$3,220 AUD
$2,262 USD
View
13 more retailers have this diamond
Prices start from $1,793 AUDSave up to $1,427 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
$1,793 AUD