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Round|Natural|GIA

0.28ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1333459802

Certificate GIA 1333459802

Diamond specifications and retailer prices

From $178 SGD
As of November 4, 2026
Save $943 SGD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,120 SGD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.28ct natural round diamond

This 0.28ct 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 1333459802. Listed at 10 retailers as of November 4, 2026, with prices from $178 to $1,120, a $943 spread on the same certified stone. NZ Jewellers lists it at $1,120. 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

0.28
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle31.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1333459802
Dimensions4.28 × 4.25 × 2.56 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
4.28 mm4.25 mm0.28 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1333459802
Side View
Table 60.0%Crown 31.5°Girdle: THN-MEDPavilion 41.8°Culet: NoneDepth 60.1%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $1,120 SGD|Low: $175 SGD|High: $1,120 SGD|Avg: $369 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6$178 SGD
Retailer 8$248 SGD
Retailer 4$249 SGD
Retailer 11$250 SGD
Retailer 7$266 SGD
Retailer 5$276 SGD
Retailer 10$285 SGD
Retailer 9$333 SGD
Retailer 2$512 SGD
Retailer 3$513 SGD
NZ Jewellers$1,120 SGD

20 data points across 11 retailers

10 retailers$178 SGD to $1,120 SGD

A
Cheapest Retailer
-
$178 SGD
A
Retailer 2
-
$248 SGD
View
A
Retailer 3
-
$249 SGD
View
Retailer 4
-
$266 SGD
View
Price last confirmed 8 days ago
Retailer 5
-
$268 SGD
View
Price last confirmed 43 days ago
A
Retailer 6
-
$276 SGD
View
A
Retailer 7
-
$285 SGD
View
B+
Retailer 8
-
$333 SGD
View
B
Retailer 9
-
$512 SGD
View
Most Expensive
B
NZ Jewellers
5b400fe9-67f0-4494-a134-b1020e23b612 · Nov 4
$1,120 SGD
$877 USD
View
9 more retailers have this diamond
Prices start from $178 SGDSave up to $943 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
0.28ct Round
$178 SGD