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Round|Natural|GIA

0.80ct K I1 Round Natural Diamond

EX • K/I1 • GIA 2507554531

Certificate GIA 2507554531

Diamond specifications and retailer prices

From $1,054 AUD
As of November 5, 2026
Save $940 AUD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,480 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 K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 2507554531. Listed at 8 retailers as of November 5, 2026, with a 89% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.80
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle33.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2507554531
Dimensions5.95 × 5.98 × 3.66 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.95 mm5.98 mm0.80 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2507554531
Side View
Table 57.0%Crown 33.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 61.3%

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 5
Current: $4,480 AUD|Low: $1,054 AUD|High: $4,480 AUD|Avg: $1,777 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 2$1,054 AUD
Retailer 6$1,397 AUD
Retailer 5$1,429 AUD
Retailer 7$1,429 AUD
Retailer 4$1,483 AUD
Retailer 9$1,553 AUD
Retailer 8$1,648 AUD
Retailer 3$1,994 AUD
NZ Jewellers$4,480 AUD

43 data points across 9 retailers

8 retailers$1,054 AUD to $1,994 AUD

A
Cheapest Retailer
-
$1,054 AUD
B
Retailer 2
-
$1,397 AUD
View
Retailer 3
-
$1,429 AUD
View
Price last confirmed 8 days ago
B
Retailer 4
-
$1,429 AUD
View
B
Retailer 5
-
$1,483 AUD
View
B
Retailer 6
-
$1,648 AUD
View
B
Retailer 7
-
$1,994 AUD
View
Most Expensive
NZ Jewellers
9e2c8b4b-591f-44af-ad93-c858d772e5ef · Nov 5
$4,480 AUD
$3,136 USD
View
Price under review
7 more retailers have this diamond
Prices start from $1,054 AUDSave up to $940 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
$1,054 AUD