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Round|Natural|GIA

1.00ct K I1 Round Natural Diamond

EX • K/I1 • GIA 5413531239

Certificate GIA 5413531239

Diamond specifications and retailer prices

From $2,614 AUD
As of November 4, 2026
Save $4,671 AUD (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,285 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 5413531239. Listed at 12 retailers as of November 4, 2026, with prices from $2,614 to $7,285, a $4,671 spread on the same certified stone. NZ Jewellers lists it at $7,285. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5413531239
Dimensions6.43 × 6.38 × 3.98 mm
L/W Ratio1.01
Top View
6.43 mm6.38 mm1.00 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5413531239
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $7,285 AUD|Low: $2,596 AUD|High: $7,285 AUD|Avg: $3,781 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
November 5, 2026
Retailer 6$2,614 AUD
Retailer 5$2,771 AUD
Retailer 3$2,851 AUD
Retailer 8$2,856 AUD
Retailer 9$3,157 AUD
Retailer 11$3,157 AUD
Retailer 7$3,303 AUD
Retailer 10$3,643 AUD
Retailer 12$4,146 AUD
Retailer 2$4,323 AUD
Retailer 4$4,980 AUD
NZ Jewellers$7,285 AUD

24 data points across 12 retailers

12 retailers$2,614 AUD to $7,285 AUD

B
Cheapest Retailer
-
$2,614 AUD
B
Retailer 2
-
$2,771 AUD
View
B
Retailer 3
-
$2,856 AUD
View
Retailer 4
-
$3,157 AUD
View
Price last confirmed 56 days ago
Retailer 5
-
$3,157 AUD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$3,157 AUD
View
B
Retailer 7
-
$3,303 AUD
View
Retailer 8
-
$3,643 AUD
View
Price last confirmed 60 days ago
B
Retailer 9
-
$3,643 AUD
View
B
Retailer 10
-
$4,323 AUD
View
Retailer 11
-
$7,285 AUD
View
Price last confirmed 57 days ago
Most Expensive
C
NZ Jewellers
f18f25e6-21ad-4998-b829-b65bdbbf91ca · Nov 5
$7,285 AUD
$5,100 USD
View
11 more retailers have this diamond
Prices start from $2,614 AUDSave up to $4,671 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.

B
1.00ct Round
$2,614 AUD