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Round|Natural|GIA

0.80ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 5533289401

Certificate GIA 5533289401

Diamond specifications and retailer prices

From $1,701 AUD
As of November 6, 2026
Save $2,013 AUD (54%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,961 AUD at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5533289401. Listed at 24 retailers as of November 4, 2026, with a 118% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.80
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5533289401
Dimensions5.89 × 5.86 × 3.70 mm
L/W Ratio1.01
Star length50%
Top View
5.89 mm5.86 mm0.80 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5533289401
Side View
Table 57.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.9%

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 6
Current: $2,829 AUD|Low: $1,701 AUD|High: $3,769 AUD|Avg: $2,445 AUD|+2.6%
Retailer 1
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
November 6, 2026
Retailer 4$1,701 AUD
Retailer 6$1,765 AUD
Retailer 12$1,768 AUD
Retailer 7$1,843 AUD
Retailer 14$1,963 AUD
Retailer 3$2,125 AUD
Retailer 13$2,125 AUD
Retailer 2$2,198 AUD
Retailer 8$2,219 AUD
Retailer 9$2,495 AUD
Retailer 5$2,653 AUD
Retailer 15$2,787 AUD
Retailer 1$2,829 AUD
Retailer 10$3,008 AUD
Retailer 11$3,714 AUD

40 data points across 15 retailers

24 retailers$1,701 AUD to $3,714 AUD

A
Cheapest Retailer
-
$1,701 AUD
Final sale: no returns
A
Retailer 2
-
$1,765 AUD
View
A
Retailer 3
-
$1,768 AUD
View
Retailer 4
-
$1,843 AUD
View
Price last confirmed 50 days ago
Retailer 5
-
$1,843 AUD
View
Price last confirmed 28 days ago
Retailer 6
-
$1,843 AUD
View
Price last confirmed 29 days ago
Retailer 7
-
$1,914 AUD
View
Price last confirmed 38 days ago
A
Retailer 8
-
$1,963 AUD
View
A
Retailer 9
-
$1,969 AUD
View
B+
Retailer 10
-
$2,125 AUD
View
B+
Retailer 11
-
$2,125 AUD
View
Retailer 12
-
$2,126 AUD
View
Price last confirmed 28 days ago
Retailer 13
-
$2,126 AUD
View
Price last confirmed 45 days ago
B+
Retailer 14
-
$2,198 AUD
View
B+
Retailer 15
-
$2,219 AUD
View
B+
Retailer 16
-
$2,495 AUD
View
Retailer 17
-
$2,653 AUD
View
Price last confirmed 32 days ago
B+
Retailer 18
-
$2,787 AUD
View
Retailer 19
-
$2,787 AUD
View
Price last confirmed 28 days ago
B+
Retailer 20
-
$2,829 AUD
View
B+
Retailer 21
-
$3,008 AUD
View
B
Retailer 22
-
$3,714 AUD
View
Retailer 23
-
$4,961 AUD
View
Price last confirmed 48 days ago
Most Expensive
NZ Jewellers
6e463d04-4822-47ec-8643-d00a56282aa8 · Sep 26
$4,961 AUD
$3,409 USD
View
Price last confirmed 40 days ago
23 more retailers have this diamond
Prices start from $1,701 AUDSave up to $2,013 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
0.80ct Round
$1,701 AUD