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Round|Natural|GIA

1.00ct K I2 Round Natural Diamond

EX • K/I2 • GIA 5231108434

Certificate GIA 5231108434

Diamond specifications and retailer prices

From $1,721 AUD
As of November 4, 2026
Save $3,120 AUD (64%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,841 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 I2 clarity (included), with a top-tier cut grade and certified by GIA 5231108434. Listed at 8 retailers as of November 4, 2026, with prices from $1,721 to $4,841, a $3,120 spread on the same certified stone. NZ Jewellers lists it at $4,841. 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
I2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5231108434
Dimensions6.37 × 6.41 × 3.90 mm
L/W Ratio1.01
Top View
6.37 mm6.41 mm1.00 ctK / I2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5231108434
Side View
Table 62.0%Crown 33°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,841 AUD|Low: $1,721 AUD|High: $4,841 AUD|Avg: $2,470 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8$1,721 AUD
Retailer 5$1,798 AUD
Retailer 7$1,798 AUD
Retailer 3$1,867 AUD
Retailer 6$2,074 AUD
Retailer 2$2,748 AUD
Retailer 4$2,828 AUD
NZ Jewellers$4,841 AUD

21 data points across 8 retailers

8 retailers$1,721 AUD to $4,841 AUD

B+
Cheapest Retailer
-
$1,721 AUD
Retailer 2
-
$1,798 AUD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$1,798 AUD
View
B+
Retailer 4
-
$1,867 AUD
View
B+
Retailer 5
-
$2,074 AUD
View
B
Retailer 6
-
$2,748 AUD
View
B
Retailer 7
-
$2,828 AUD
View
Most Expensive
C
NZ Jewellers
f20d9826-c642-48a3-b51e-933cd6001180 · Nov 5
$4,841 AUD
$3,389 USD
View
7 more retailers have this diamond
Prices start from $1,721 AUDSave up to $3,120 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
$1,721 AUD