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Round|Natural|GIA

0.80ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2566558250

Certificate GIA 2566558250

Diamond specifications and retailer prices

From $1,067 AUD
As of November 6, 2026
Save $3,452 AUD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,519 AUD at NZ Jewellers · As of November 5, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566558250. Listed at 15 retailers as of November 5, 2026, with prices from $1,067 to $4,519, a $3,452 spread on the same certified stone. NZ Jewellers lists it at $4,519. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2566558250
Dimensions5.94 × 5.95 × 3.69 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
5.94 mm5.95 mm0.80 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2566558250
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

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 6
Current: $4,519 AUD|Low: $1,067 AUD|High: $4,519 AUD|Avg: $1,721 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
November 6, 2026
Retailer 2$1,067 AUD
Retailer 4$1,080 AUD
Retailer 6$1,329 AUD
Retailer 12$1,356 AUD
Retailer 3$1,441 AUD
Retailer 7$1,442 AUD
Retailer 14$1,496 AUD
Retailer 13$1,662 AUD
Retailer 9$1,678 AUD
Retailer 11$1,719 AUD
Retailer 8$1,806 AUD
Retailer 10$1,876 AUD
Retailer 5$1,889 AUD
Retailer 15$2,639 AUD
NZ Jewellers$4,519 AUD

24 data points across 15 retailers

15 retailers$1,067 AUD to $4,519 AUD

A
Cheapest Retailer
-
$1,067 AUD
A
Retailer 2
-
$1,080 AUD
View
A
Retailer 3
-
$1,329 AUD
View
Final sale: no returns
A
Retailer 4
-
$1,356 AUD
View
A
Retailer 5
-
$1,441 AUD
View
A
Retailer 6
-
$1,442 AUD
View
A
Retailer 7
-
$1,496 AUD
View
B+
Retailer 8
-
$1,662 AUD
View
B+
Retailer 9
-
$1,678 AUD
View
B+
Retailer 10
-
$1,719 AUD
View
B+
Retailer 11
-
$1,806 AUD
View
B+
Retailer 12
-
$1,876 AUD
View
B+
Retailer 13
-
$1,889 AUD
View
B
Retailer 14
-
$2,639 AUD
View
Most Expensive
C
NZ Jewellers
6130c10a-158c-4df9-a89a-b2ad09748024 · Nov 5
$4,519 AUD
$3,105 USD
View
14 more retailers have this diamond
Prices start from $1,067 AUDSave up to $3,452 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
$1,067 AUD