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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 $352 USD
As of November 6, 2026
Save $764 USD (68%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,116 USD 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 $352 to $1,116, a $764 spread on the same certified stone. MOH London lists it at $1,116. 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
Color
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: $1,116 USD|Low: $352 USD|High: $1,154 USD|Avg: $618 USD|-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$352 USD
Retailer 12$409 USD
Retailer 6$446 USD
Retailer 14$494 USD
Retailer 13$521 USD
Retailer 3$559 USD
Retailer 7$591 USD
Retailer 8$595 USD
Retailer 11$615 USD
Retailer 5$682 USD
Retailer 4$690 USD
Retailer 10$727 USD
Retailer 9$750 USD
MOH London$1,116 USD

25 data points across 14 retailers

20 retailers$352 USD to $1,116 USD

A
Cheapest Retailer
-
$352 USD
A
Retailer 2
-
$409 USD
View
A
Retailer 3
-
$446 USD
View
Final sale: no returns
A
Retailer 4
-
$484 USD
View
A
Retailer 5
-
$494 USD
View
Retailer 6
-
$521 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$521 USD
View
A
Retailer 8
-
$521 USD
View
Retailer 9
-
$559 USD
View
Price last confirmed 16 days ago
A
Retailer 10
-
$559 USD
View
Retailer 11
-
$571 USD
View
Price last confirmed 24 days ago
A
Retailer 12
-
$591 USD
View
B+
Retailer 13
-
$595 USD
View
B+
Retailer 14
-
$615 USD
View
B+
Retailer 15
-
$682 USD
View
B+
Retailer 16
-
$690 USD
View
B+
Retailer 17
-
$727 USD
View
B+
Retailer 18
-
$750 USD
View
Retailer 19
-
$792 USD
View
Price last confirmed 34 days ago
Most Expensive
B
MOH London
74A3430AE · Nov 4
$1,116 USD
£879 GBP
View
19 more retailers have this diamond
Prices start from $352 USDSave up to $764 USD

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
$352 USD