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Round|Natural|GIA

0.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1433817949

Certificate GIA 1433817949

Diamond specifications and retailer prices

From $816 SGD
As of October 31, 2026
Save $2,723 SGD (77%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,539 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1433817949. Listed at 24 retailers as of October 31, 2026, with prices from $816 to $3,539, a $2,723 spread on the same certified stone. NZ Jewellers lists it at $3,539. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1433817949
Dimensions5.10 × 5.08 × 3.13 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Cloud
Top View
5.10 mm5.08 mm0.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1433817949
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

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: Oct 31
Current: $1,452 SGD|Low: $814 SGD|High: $2,077 SGD|Avg: $1,314 SGD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11$816 SGD
Retailer 12$833 SGD
Retailer 4$1,041 SGD
Retailer 9$1,086 SGD
Retailer 5$1,150 SGD
Retailer 2$1,262 SGD
Retailer 6$1,299 SGD
Retailer 3$1,335 SGD
Retailer 7$1,411 SGD
Retailer 1$1,452 SGD
Retailer 8$1,742 SGD
Retailer 10$2,064 SGD

28 data points across 12 retailers

24 retailers$816 SGD to $3,539 SGD

A
Cheapest Retailer
-
$816 SGD
A
Retailer 2
-
$833 SGD
View
A
Retailer 3
-
$1,008 SGD
View
B+
Retailer 4
-
$1,041 SGD
View
Final sale: no returns
B+
Retailer 5
-
$1,086 SGD
View
B+
Retailer 6
-
$1,129 SGD
View
B+
Retailer 7
-
$1,142 SGD
View
B+
Retailer 8
-
$1,150 SGD
View
B+
Retailer 9
-
$1,173 SGD
View
B+
Retailer 10
-
$1,262 SGD
View
B+
Retailer 11
-
$1,298 SGD
View
B+
Retailer 12
-
$1,299 SGD
View
B+
Retailer 13
-
$1,303 SGD
View
B
Retailer 14
-
$1,335 SGD
View
B+
Retailer 15
-
$1,392 SGD
View
B+
Retailer 16
-
$1,411 SGD
View
B+
Retailer 17
-
$1,452 SGD
View
B+
Retailer 18
-
$1,494 SGD
View
B
Retailer 19
-
$1,694 SGD
View
Retailer 20
-
$1,696 SGD
View
Price last confirmed 33 days ago
B
Retailer 21
-
$1,742 SGD
View
B
Retailer 22
-
$2,064 SGD
View
B
Retailer 23
-
$2,349 SGD
View
Most Expensive
B
NZ Jewellers
e0159d74-02fa-4072-a3b9-2aa353d35d88 · Nov 4
$3,539 SGD
$2,771 USD
View
23 more retailers have this diamond
Prices start from $816 SGDSave up to $2,723 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
$816 SGD