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Round|Natural|GIA

0.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7551885928

Certificate GIA 7551885928

Diamond specifications and retailer prices

From $413 SGD
As of November 6, 2026
Save $1,765 SGD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,178 SGD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7551885928. Listed at 11 retailers as of November 4, 2026, with prices from $413 to $2,178, a $1,765 spread on the same certified stone. NZ Jewellers lists it at $2,178. 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

0.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7551885928
Dimensions5.06 × 5.08 × 3.18 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Crystal, Feather
Top View
5.06 mm5.08 mm0.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7551885928
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.7%

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: $2,178 SGD|Low: $413 SGD|High: $2,178 SGD|Avg: $856 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$413 SGD
Retailer 7$474 SGD
Retailer 3$568 SGD
Retailer 4$593 SGD
Retailer 8$612 SGD
Retailer 10$737 SGD
Retailer 9$754 SGD
Retailer 11$780 SGD
Retailer 5$909 SGD
Retailer 6$1,311 SGD
NZ Jewellers$2,178 SGD

45 data points across 11 retailers

11 retailers$413 SGD to $2,178 SGD

A
Cheapest Retailer
-
$413 SGD
A
Retailer 2
-
$474 SGD
View
A
Retailer 3
-
$568 SGD
View
A
Retailer 4
-
$593 SGD
View
A
Retailer 5
-
$612 SGD
View
B+
Retailer 6
-
$752 SGD
View
B+
Retailer 7
-
$754 SGD
View
B+
Retailer 8
-
$780 SGD
View
B
Retailer 9
-
$909 SGD
View
B
Retailer 10
-
$1,311 SGD
View
Most Expensive
B
NZ Jewellers
32ccb0fc-4396-44df-8d8a-3e4ce5cbf3b9 · Nov 4
$2,178 SGD
$1,705 USD
View
10 more retailers have this diamond
Prices start from $413 SGDSave up to $1,765 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
0.50ct Round
$413 SGD