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Round|Natural|GIA

0.81ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6565611640

Certificate GIA 6565611640

Diamond specifications and retailer prices

From $1,276 AUD
HK$7,000 HKD
As of October 31, 2026
Save $2,906 AUD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,181 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565611640. Listed at 19 retailers as of October 30, 2026, with prices from $1,276 to $4,181, a $2,906 spread on the same certified stone. NZ Jewellers lists it at $4,181. 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 angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565611640
Dimensions5.88 × 5.92 × 3.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.88 mm5.92 mm0.81 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565611640
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.4%

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: $4,181 AUD|Low: $1,257 AUD|High: $4,181 AUD|Avg: $1,900 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 12$1,276 AUD
Retailer 11$1,291 AUD
Retailer 10$1,412 AUD
Retailer 8$1,530 AUD
Retailer 2$1,583 AUD
Retailer 5$1,609 AUD
Retailer 4$1,714 AUD
Retailer 16$1,714 AUD
Retailer 7$1,773 AUD
Retailer 17$1,781 AUD
Retailer 6$1,787 AUD
Retailer 14$1,794 AUD
Retailer 3$1,912 AUD
Retailer 13$1,945 AUD
Retailer 9$1,979 AUD
Retailer 18$2,148 AUD
Retailer 15$3,157 AUD
NZ Jewellers$4,181 AUD

13 data points across 18 retailers

19 retailers$1,276 AUD to $4,181 AUD

A
Cheapest Retailer
-
$1,276 AUD
HK$7,000 HKD
A
Retailer 2
-
$1,291 AUD
₹86,339 INR
View
A
Retailer 3
-
$1,412 AUD
$992 USD
View
A
Retailer 4
-
$1,523 AUD
View
Retailer 5
-
$1,530 AUD
$1,075 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$1,583 AUD
$1,112 USD
View
Final sale: no returns
A
Retailer 7
-
$1,609 AUD
$1,130 USD
View
A
Retailer 8
-
$1,714 AUD
$1,204 USD
View
A
Retailer 9
-
$1,714 AUD
$1,204 USD
View
A
Retailer 10
-
$1,773 AUD
SGD 1,683 SGD
View
A
Retailer 11
-
$1,781 AUD
$1,251 USD
View
A
Retailer 12
-
$1,787 AUD
$1,255 USD
View
A
Retailer 13
-
$1,794 AUD
$1,260 USD
View
B+
Retailer 14
-
$1,912 AUD
$1,343 USD
View
B+
Retailer 15
-
$1,945 AUD
£1,076 GBP
View
B+
Retailer 16
-
$1,979 AUD
$1,390 USD
View
B+
Retailer 17
-
$2,148 AUD
$1,509 USD
View
B
Retailer 18
-
$3,157 AUD
£1,746 GBP
View
Most Expensive
B
NZ Jewellers
3c879c23-5240-4eb4-ad28-f5ca13ab54df · Oct 30
$4,181 AUD
$2,937 USD
View
18 more retailers have this diamond
Prices start from $1,276 AUDSave up to $2,906 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
$1,276 AUD