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Oval|Natural|GIA

0.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 6561556478

Certificate GIA 6561556478

Diamond specifications and retailer prices

From $550 CAD
As of November 5, 2026
Save $621 CAD (53%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,171 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 H 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 6561556478. Listed at 9 retailers as of November 5, 2026, with prices from $550 to $1,171, a $621 spread on the same certified stone. Frank Darling lists it at $1,171. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6561556478
Dimensions6.28 × 4.51 × 2.82 mm
L/W Ratio1.39
Culet sizeNone
Top View
6.28 mm4.51 mm0.51 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6561556478
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.6%

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 5
Current: $1,171 CAD|Low: $549 CAD|High: $1,171 CAD|Avg: $806 CAD
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 2$550 CAD
Retailer 7$563 CAD
Retailer 4$660 CAD
Retailer 8$730 CAD
Retailer 6$786 CAD
Retailer 5$858 CAD
Retailer 3$969 CAD
Frank Darling$1,171 CAD

10 data points across 8 retailers

9 retailers$550 CAD to $1,171 CAD

A
Cheapest Retailer
-
$550 CAD
A
Retailer 2
-
$563 CAD
View
A
Retailer 3
-
$591 CAD
View
A
Retailer 4
-
$660 CAD
View
A
Retailer 5
-
$730 CAD
View
A
Retailer 6
-
$786 CAD
View
B+
Retailer 7
-
$858 CAD
View
B+
Retailer 8
-
$969 CAD
View
Most Expensive
B
Frank Darling
2701750HK · Nov 6
$1,171 CAD
$832 USD
View
8 more retailers have this diamond
Prices start from $550 CADSave up to $621 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
$550 CAD