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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 $1,205 USD
As of November 4, 2026
Save $2,184 USD (64%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,389 USD 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 $1,205 to $3,389, a $2,184 spread on the same certified stone. NZ Jewellers lists it at $3,389. 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
Color
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: $3,389 USD|Low: $1,205 USD|High: $3,389 USD|Avg: $1,729 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8$1,205 USD
Retailer 5$1,259 USD
Retailer 7$1,259 USD
Retailer 3$1,307 USD
Retailer 6$1,452 USD
Retailer 2$1,924 USD
Retailer 4$1,980 USD
NZ Jewellers$3,389 USD

21 data points across 8 retailers

8 retailers$1,205 USD to $3,389 USD

B+
Cheapest Retailer
-
$1,205 USD
Retailer 2
-
$1,259 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$1,259 USD
View
B+
Retailer 4
-
$1,307 USD
View
B+
Retailer 5
-
$1,452 USD
View
B
Retailer 6
-
$1,924 USD
View
B
Retailer 7
-
$1,980 USD
View
Most Expensive
C
NZ Jewellers
f20d9826-c642-48a3-b51e-933cd6001180 · Nov 5
$3,389 USD
View
7 more retailers have this diamond
Prices start from $1,205 USDSave up to $2,184 USD

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
$1,205 USD