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Oval|Natural|GIA

0.50ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 2558961283

Certificate GIA 2558961283

Diamond specifications and retailer prices

From $451 SGD
As of November 6, 2026
Save $980 SGD (68%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,431 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 0.5ct natural oval diamond

This 0.5ct natural oval sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2558961283. Listed at 20 retailers as of November 4, 2026, with prices from $451 to $1,431, a $980 spread on the same certified stone. MOH London lists it at $1,431. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2558961283
Dimensions6.28 × 4.38 × 2.79 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
6.28 mm4.38 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2558961283
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.7%

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: $1,431 SGD|Low: $451 SGD|High: $1,480 SGD|Avg: $793 SGD|-3.3%
MOH London
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
November 6, 2026
Retailer 2$451 SGD
Retailer 12$524 SGD
Retailer 6$572 SGD
Retailer 14$633 SGD
Retailer 13$668 SGD
Retailer 3$716 SGD
Retailer 7$757 SGD
Retailer 8$763 SGD
Retailer 11$788 SGD
Retailer 5$874 SGD
Retailer 4$884 SGD
Retailer 10$932 SGD
Retailer 9$961 SGD
MOH London$1,431 SGD

25 data points across 14 retailers

20 retailers$451 SGD to $1,431 SGD

A
Cheapest Retailer
-
$451 SGD
A
Retailer 2
-
$524 SGD
View
A
Retailer 3
-
$572 SGD
View
Final sale: no returns
A
Retailer 4
-
$620 SGD
View
A
Retailer 5
-
$633 SGD
View
Retailer 6
-
$668 SGD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$668 SGD
View
A
Retailer 8
-
$668 SGD
View
Retailer 9
-
$716 SGD
View
Price last confirmed 16 days ago
A
Retailer 10
-
$716 SGD
View
Retailer 11
-
$732 SGD
View
Price last confirmed 24 days ago
A
Retailer 12
-
$757 SGD
View
B+
Retailer 13
-
$763 SGD
View
B+
Retailer 14
-
$788 SGD
View
B+
Retailer 15
-
$874 SGD
View
B+
Retailer 16
-
$884 SGD
View
B+
Retailer 17
-
$932 SGD
View
B+
Retailer 18
-
$961 SGD
View
Retailer 19
-
$1,015 SGD
View
Price last confirmed 34 days ago
Most Expensive
B
MOH London
74A3430AE · Nov 4
$1,431 SGD
£879 GBP
View
19 more retailers have this diamond
Prices start from $451 SGDSave up to $980 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 Oval
$451 SGD