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Oval|Natural|GIA

0.51ct D SI2 Oval Natural Diamond

EX • D/SI2 • GIA 6515880819

Certificate GIA 6515880819

Diamond specifications and retailer prices

From $781 CAD
As of November 6, 2026
Save $2,543 CAD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,324 CAD at NZ Jewellers · As of November 5, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6515880819. Listed at 22 retailers as of November 5, 2026, with prices from $781 to $3,324, a $2,543 spread on the same certified stone. NZ Jewellers lists it at $3,324. 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
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6515880819
Dimensions6.06 × 4.38 × 2.83 mm
L/W Ratio1.38
Top View
6.06 mm4.38 mm0.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6515880819
Side View
Table 56.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 64.8%

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 6
Current: $781 CAD|Low: $675 CAD|High: $3,109 CAD|Avg: $1,248 CAD|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$781 CAD
Retailer 8$978 CAD
Retailer 7$1,055 CAD
Retailer 5$1,061 CAD
Retailer 6$1,076 CAD
Retailer 3$1,260 CAD
Retailer 2$1,494 CAD
Retailer 4$1,941 CAD

41 data points across 8 retailers

22 retailers$781 CAD to $3,324 CAD

A
Cheapest Retailer
-
$781 CAD
Retailer 2
-
$810 CAD
View
Price last confirmed 63 days ago
A
Retailer 3
-
$978 CAD
View
Final sale: no returns
Retailer 4
-
$1,055 CAD
View
Price last confirmed 19 days ago
Retailer 5
-
$1,061 CAD
View
Price last confirmed 21 days ago
Retailer 6
-
$1,061 CAD
View
Price last confirmed 45 days ago
Retailer 7
-
$1,061 CAD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
$1,061 CAD
View
A
Retailer 9
-
$1,076 CAD
View
Retailer 10
-
$1,224 CAD
View
Price last confirmed 67 days ago
B+
Retailer 11
-
$1,224 CAD
View
B+
Retailer 12
-
$1,224 CAD
View
Retailer 13
-
$1,224 CAD
View
Price last confirmed 45 days ago
B+
Retailer 14
-
$1,224 CAD
View
B+
Retailer 15
-
$1,246 CAD
View
B+
Retailer 16
-
$1,260 CAD
View
B+
Retailer 17
-
$1,494 CAD
View
B
Retailer 18
-
$1,941 CAD
View
Retailer 19
-
$3,324 CAD
View
Price last confirmed 68 days ago
B
Retailer 20
-
$3,324 CAD
View
Retailer 21
-
$3,324 CAD
View
Price last confirmed 48 days ago
Most Expensive
B
NZ Jewellers
ac2051ab-ac8c-4390-b85d-b8a5644c3624 · Nov 5
$3,324 CAD
$2,363 USD
View
21 more retailers have this diamond
Prices start from $781 CADSave up to $2,543 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
$781 CAD