Round|Natural|GIA

0.51ct K I1 Round Natural Diamond

GD • K/I1 • GIA 3245397346

Certificate GIA 3245397346

Diamond specifications and retailer prices

From $548 SGD
As of November 5, 2026
Save $1,768 SGD (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,316 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 3245397346. Listed at 6 retailers as of November 4, 2026, with prices from $548 to $2,316, a $1,768 spread on the same certified stone. NZ Jewellers lists it at $2,316. 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
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 3245397346
Dimensions4.91 × 4.93 × 3.23 mm
L/W Ratio1.00
Star length50%
Lower girdle85%
Top View
4.91 mm4.93 mm0.51 ctK / I1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3245397346
Side View
Table 57.0%Crown 38°Girdle: THK-VTKPavilion 40.4°Culet: NoneDepth 65.7%

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: $2,316 SGD|Low: $548 SGD|High: $2,316 SGD|Avg: $890 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5$548 SGD
Retailer 3$590 SGD
Retailer 7$590 SGD
Retailer 6$632 SGD
Retailer 4$668 SGD
Retailer 8$777 SGD
Retailer 2$904 SGD
Retailer 9$908 SGD
NZ Jewellers$2,316 SGD

22 data points across 9 retailers

6 retailers$548 SGD to $2,316 SGD

B+
Cheapest Retailer
-
$548 SGD
Retailer 2
-
$590 SGD
View
Price last confirmed 8 days ago
B
Retailer 3
-
$590 SGD
View
B
Retailer 4
-
$632 SGD
View
B
Retailer 5
-
$904 SGD
View
Most Expensive
C
NZ Jewellers
702d8868-f5f1-4f1a-8092-4103ee61c4f8 · Nov 4
$2,316 SGD
$1,813 USD
View
5 more retailers have this diamond
Prices start from $548 SGDSave up to $1,768 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
$548 SGD