Oval|Natural|GIA

0.50ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 6551499565

Certificate GIA 6551499565

Diamond specifications and retailer prices

From $512 USD
As of November 5, 2026
Save $478 USD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $990 USD at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.5ct natural oval diamond

This 0.5ct natural oval sits in the half to three-quarter carat band, graded G 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 6551499565. Listed at 10 retailers as of November 5, 2026, with prices from $512 to $990, a $478 spread on the same certified stone. Frank Darling lists it at $990. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.32°
Pavilion angle38.61°
OriginNatural
Grading LabGIA
CertificateGIA 6551499565
Dimensions6.68 × 4.42 × 2.66 mm
L/W Ratio1.51
Culet sizeNone
Top View
6.68 mm4.42 mm0.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551499565
Side View
Table 58.0%Crown 38.32°Girdle: THN-THKPavilion 38.61°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 5
Current: $990 USD|Low: $509 USD|High: $1,036 USD|Avg: $760 USD|-4.4%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3$512 USD
Retailer 8$564 USD
Retailer 6$611 USD
Retailer 2$658 USD
Retailer 5$733 USD
Retailer 7$790 USD
Retailer 4$795 USD
Retailer 9$849 USD
Frank Darling$990 USD

44 data points across 9 retailers

10 retailers$512 USD to $990 USD

A
Cheapest Retailer
-
$512 USD
A
Retailer 2
-
$564 USD
View
A
Retailer 3
-
$611 USD
View
A
Retailer 4
-
$658 USD
View
B+
Retailer 5
-
$729 USD
View
B+
Retailer 6
-
$733 USD
View
B+
Retailer 7
-
$790 USD
View
B+
Retailer 8
-
$795 USD
View
B+
Retailer 9
-
$849 USD
View
Most Expensive
B+
Frank Darling
2653257HK · Nov 6
$990 USD
View
9 more retailers have this diamond
Prices start from $512 USDSave up to $478 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
$512 USD