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Oval|Natural|GIA

0.51ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 1553375957

Certificate GIA 1553375957

Diamond specifications and retailer prices

From $751 CAD
As of November 5, 2026
Save $665 CAD (47%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,416 CAD at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553375957. Listed at 11 retailers as of November 5, 2026, with prices from $751 to $1,416, a $665 spread on the same certified stone. Frank Darling lists it at $1,416. 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

0.51
Carat
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle37.75°
OriginNatural
Grading LabGIA
CertificateGIA 1553375957
Dimensions6.82 × 4.35 × 2.62 mm
L/W Ratio1.57
Culet sizeNone
Top View
6.82 mm4.35 mm0.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1553375957
Side View
Table 60.0%Crown 38.5°Girdle: THN-VTKPavilion 37.75°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: $1,416 CAD|Low: $747 CAD|High: $1,482 CAD|Avg: $1,095 CAD|-4.5%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4$751 CAD
Retailer 10$817 CAD
Retailer 8$882 CAD
Retailer 3$948 CAD
Retailer 5$1,063 CAD
Retailer 7$1,145 CAD
Retailer 6$1,149 CAD
Retailer 2$1,200 CAD
Retailer 9$1,234 CAD
Frank Darling$1,416 CAD

32 data points across 10 retailers

11 retailers$751 CAD to $1,416 CAD

A
Cheapest Retailer
-
$751 CAD
A
Retailer 2
-
$817 CAD
View
A
Retailer 3
-
$882 CAD
View
A
Retailer 4
-
$948 CAD
View
B+
Retailer 5
-
$1,056 CAD
View
B+
Retailer 6
-
$1,063 CAD
View
B+
Retailer 7
-
$1,145 CAD
View
B+
Retailer 8
-
$1,149 CAD
View
B+
Retailer 9
-
$1,200 CAD
View
B+
Retailer 10
-
$1,234 CAD
View
Most Expensive
B+
Frank Darling
2649521HK · Nov 6
$1,416 CAD
$1,007 USD
View
10 more retailers have this diamond
Prices start from $751 CADSave up to $665 CAD

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
0.51ct Oval
$751 CAD