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Round|Natural|GIA

0.51ct K I2 Round Natural Diamond

EX • K/I2 • GIA 6435018245

Certificate GIA 6435018245

Diamond specifications and retailer prices

From $470 SGD
As of November 5, 2026
Save $1,334 SGD (74%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,804 SGD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and I2 clarity (included), with a top-tier cut grade and certified by GIA 6435018245. Listed at 6 retailers as of November 4, 2026, with prices from $470 to $1,804, a $1,334 spread on the same certified stone. NZ Jewellers lists it at $1,804. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
K
Colour
I2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6435018245
Dimensions5.18 × 5.22 × 3.12 mm
L/W Ratio1.01
Top View
5.18 mm5.22 mm0.51 ctK / I2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6435018245
Side View
Table 59.0%Crown 33.5°GirdlePavilion 40.8°Culet: NoneDepth 59.9%

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 5
Current: $1,804 SGD|Low: $470 SGD|High: $1,804 SGD|Avg: $753 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 5$470 SGD
Retailer 4$507 SGD
Retailer 3$525 SGD
Retailer 7$529 SGD
Retailer 6$634 SGD
Retailer 2$855 SGD
NZ Jewellers$1,804 SGD

19 data points across 7 retailers

6 retailers$470 SGD to $1,804 SGD

B+
Cheapest Retailer
-
$470 SGD
Retailer 2
-
$507 SGD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$525 SGD
View
B
Retailer 4
-
$634 SGD
View
B
Retailer 5
-
$855 SGD
View
Most Expensive
C
NZ Jewellers
4aa39cd8-961c-43bb-bd2b-a639e88a2684 · Nov 4
$1,804 SGD
$1,412 USD
View
5 more retailers have this diamond
Prices start from $470 SGDSave up to $1,334 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+
0.51ct Round
$470 SGD