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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 $1,539 SGD
As of November 4, 2026
Save $2,790 SGD (64%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,329 SGD 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 $1,539 to $4,329, a $2,790 spread on the same certified stone. NZ Jewellers lists it at $4,329. 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: $4,329 SGD|Low: $1,539 SGD|High: $4,329 SGD|Avg: $2,208 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8$1,539 SGD
Retailer 5$1,608 SGD
Retailer 7$1,608 SGD
Retailer 3$1,669 SGD
Retailer 6$1,855 SGD
Retailer 2$2,458 SGD
Retailer 4$2,529 SGD
NZ Jewellers$4,329 SGD

21 data points across 8 retailers

8 retailers$1,539 SGD to $4,329 SGD

B+
Cheapest Retailer
-
$1,539 SGD
Retailer 2
-
$1,608 SGD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$1,608 SGD
View
B+
Retailer 4
-
$1,669 SGD
View
B+
Retailer 5
-
$1,855 SGD
View
B
Retailer 6
-
$2,458 SGD
View
B
Retailer 7
-
$2,529 SGD
View
Most Expensive
C
NZ Jewellers
f20d9826-c642-48a3-b51e-933cd6001180 · Nov 5
$4,329 SGD
$3,389 USD
View
7 more retailers have this diamond
Prices start from $1,539 SGDSave up to $2,790 SGD

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
$1,539 SGD