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Round|Natural|GIA

0.51ct K I1 Round Natural Diamond

GD • K/I1 • GIA 1323811416

Certificate GIA 1323811416

Diamond specifications and retailer prices

From $562 SGD
As of November 5, 2026
Save $364 SGD (39%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,377 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 I1 clarity (included), with a standard cut grade and certified by GIA 1323811416. Listed at 6 retailers as of November 5, 2026, with a 65% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
K
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle42°
OriginNatural
Grading LabGIA
CertificateGIA 1323811416
Dimensions4.90 × 4.93 × 3.21 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Top View
4.90 mm4.93 mm0.51 ctK / I1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1323811416
Side View
Table 64.0%Crown 38.5°Girdle: THK-VTKPavilion 42°Culet: NoneDepth 65.4%

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: $2,377 SGD|Low: $562 SGD|High: $2,377 SGD|Avg: $912 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5$562 SGD
Retailer 3$605 SGD
Retailer 7$605 SGD
Retailer 6$648 SGD
Retailer 4$686 SGD
Retailer 8$788 SGD
Retailer 2$926 SGD
Retailer 9$931 SGD
NZ Jewellers$2,377 SGD

22 data points across 9 retailers

6 retailers$562 SGD to $926 SGD

B+
Cheapest Retailer
-
$562 SGD
Retailer 2
-
$605 SGD
View
Price last confirmed 8 days ago
B
Retailer 3
-
$605 SGD
View
B
Retailer 4
-
$648 SGD
View
B
Retailer 5
-
$926 SGD
View
Most Expensive
NZ Jewellers
b8f6854d-ddae-4e81-8d09-1551ba470cce · Nov 4
$2,377 SGD
$1,861 USD
View
Price under review
5 more retailers have this diamond
Prices start from $562 SGDSave up to $364 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
$562 SGD