Oval|Natural|GIA

0.51ct F SI1 Oval Natural Diamond

GD • F/SI1 • GIA 2557293700

Certificate GIA 2557293700

Diamond specifications and retailer prices

From $920 CAD
As of November 6, 2026
Save $1,383 CAD (60%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,127 CAD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

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 standard cut grade stated by the retailer rather than the lab and certified by GIA 2557293700. Listed at 15 retailers as of November 1, 2026, with a 150% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

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

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557293700
Dimensions7.10 × 4.35 × 2.64 mm
L/W Ratio1.63
Key to symbols
Cloud, Feather, Crystal
Top View
7.10 mm4.35 mm0.51 ctF / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557293700
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 60.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,408 CAD|Low: $843 CAD|High: $2,331 CAD|Avg: $1,263 CAD|+1.3%
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 8$920 CAD
Retailer 10$954 CAD
Retailer 11$959 CAD
Retailer 3$997 CAD
Retailer 4$997 CAD
Retailer 2$1,151 CAD
Retailer 5$1,212 CAD
Retailer 12$1,252 CAD
Retailer 1$1,408 CAD
Retailer 9$1,499 CAD
Retailer 6$1,539 CAD
Retailer 7$2,303 CAD

43 data points across 12 retailers

15 retailers$920 CAD to $2,303 CAD

B+
Cheapest Retailer
-
$920 CAD
Final sale: no returns
B+
Retailer 2
-
$954 CAD
View
Retailer 3
-
$997 CAD
View
Price last confirmed 29 days ago
Retailer 4
-
$997 CAD
View
Price last confirmed 29 days ago
Retailer 5
-
$1,035 CAD
View
Price last confirmed 38 days ago
Retailer 6
-
$1,151 CAD
View
Price last confirmed 38 days ago
B
Retailer 7
-
$1,182 CAD
View
B
Retailer 8
-
$1,183 CAD
View
B
Retailer 9
-
$1,212 CAD
View
B
Retailer 10
-
$1,252 CAD
View
B
Retailer 11
-
$1,408 CAD
View
Retailer 12
-
$1,499 CAD
View
Price last confirmed 33 days ago
B
Retailer 13
-
$1,539 CAD
View
B
Retailer 14
-
$2,303 CAD
View
Most Expensive
NZ Jewellers
71cc3dde-595c-41e9-a2c4-aafdcb9acb2c · Sep 30
$3,127 CAD
$2,223 USD
View
Price under review
14 more retailers have this diamond
Prices start from $920 CADSave up to $1,383 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.

B+
0.51ct Oval
$920 CAD