Round|Natural|GIA

0.30ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6552316143

Certificate GIA 6552316143

Diamond specifications and retailer prices

From $174 SGD
As of November 6, 2026
Save $987 SGD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,161 SGD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.3ct natural round diamond

This 0.3ct natural round sits in the sub-half-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552316143. Listed at 17 retailers as of November 4, 2026, with prices from $174 to $1,161, a $987 spread on the same certified stone. NZ Jewellers lists it at $1,161. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.30
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552316143
Dimensions4.26 × 4.29 × 2.67 mm
L/W Ratio1.01
Top View
4.26 mm4.29 mm0.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552316143
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,161 SGD|Low: $174 SGD|High: $1,203 SGD|Avg: $410 SGD|-3.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 2$174 SGD
Retailer 4$186 SGD
Retailer 3$257 SGD
Retailer 6$280 SGD
Retailer 7$281 SGD
Retailer 12$286 SGD
Retailer 16$322 SGD
Retailer 8$336 SGD
Retailer 15$345 SGD
Retailer 9$378 SGD
Retailer 11$399 SGD
Retailer 13$422 SGD
Retailer 10$451 SGD
Retailer 5$525 SGD
Retailer 14$590 SGD
NZ Jewellers$1,161 SGD

22 data points across 16 retailers

17 retailers$174 SGD to $1,161 SGD

A
Cheapest Retailer
-
$174 SGD
A
Retailer 2
-
$186 SGD
View
A
Retailer 3
-
$229 SGD
View
A
Retailer 4
-
$257 SGD
View
Retailer 5
-
$280 SGD
View
Price last confirmed 10 days ago
Retailer 6
-
$281 SGD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$286 SGD
View
A
Retailer 8
-
$322 SGD
View
Retailer 9
-
$336 SGD
View
Price last confirmed 12 days ago
A
Retailer 10
-
$345 SGD
View
B+
Retailer 11
-
$378 SGD
View
B+
Retailer 12
-
$399 SGD
View
B+
Retailer 13
-
$422 SGD
View
B+
Retailer 14
-
$451 SGD
View
B
Retailer 15
-
$525 SGD
View
B+
Retailer 16
-
$590 SGD
View
Most Expensive
B
NZ Jewellers
6083172f-808f-4613-a647-e8ada6101d18 · Nov 4
$1,161 SGD
$909 USD
View
16 more retailers have this diamond
Prices start from $174 SGDSave up to $987 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.

A
0.30ct Round
$174 SGD