Round|Natural|GIA

0.57ct K I1 Round Natural Diamond

EX • K/I1 • GIA 6435131187

Certificate GIA 6435131187

Diamond specifications and retailer prices

From $404 AUD
As of November 5, 2026
Save $497 AUD (55%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,140 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.57ct natural round diamond

This 0.57ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6435131187. Listed at 9 retailers as of November 5, 2026, with a 123% 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

0.57
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle31.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6435131187
Dimensions5.40 × 5.36 × 3.30 mm
L/W Ratio1.01
Top View
5.40 mm5.36 mm0.57 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6435131187
Side View
Table 57.0%Crown 31.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.4%

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: Nov 5
Current: $2,140 AUD|Low: $404 AUD|High: $2,140 AUD|Avg: $817 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 2$404 AUD
Retailer 7$559 AUD
Retailer 4$601 AUD
Retailer 9$601 AUD
Retailer 5$609 AUD
Retailer 8$644 AUD
Retailer 6$769 AUD
Retailer 3$901 AUD
NZ Jewellers$2,140 AUD

44 data points across 9 retailers

9 retailers$404 AUD to $901 AUD

A
Cheapest Retailer
-
$404 AUD
B+
Retailer 2
-
$474 AUD
View
Retailer 3
-
$559 AUD
View
Price last confirmed 9 days ago
Retailer 4
-
$601 AUD
View
Price last confirmed 8 days ago
Retailer 5
-
$601 AUD
View
Price last confirmed 9 days ago
Retailer 6
-
$644 AUD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
$769 AUD
View
B+
Retailer 8
-
$901 AUD
View
Most Expensive
NZ Jewellers
ef876320-ccc2-4253-a8f0-bf31b4c94bc6 · Oct 30
$2,140 AUD
$1,498 USD
View
Price last confirmed 7 days ago
8 more retailers have this diamond
Prices start from $404 AUDSave up to $497 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
0.57ct Round
$404 AUD