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Oval|Natural|GIA

1.51ct D SI2 Oval Natural Diamond

EX • D/SI2 • GIA 6551118729

Certificate GIA 6551118729

Diamond specifications and retailer prices

From $6,808 CAD
As of November 6, 2026
Save $6,524 CAD (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $13,332 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two 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 6551118729. Listed at 8 retailers as of November 4, 2026, with prices from $6,808 to $13,332, a $6,524 spread on the same certified stone. MOH London lists it at $13,332. 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

1.51
Carat
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551118729
Dimensions9.31 × 6.06 × 4.10 mm
L/W Ratio1.54
Top View
9.31 mm6.06 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551118729
Side View
Table 56.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.6%

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: $13,332 CAD|Low: $6,808 CAD|High: $13,528 CAD|Avg: $9,574 CAD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2$6,808 CAD
Retailer 3$8,617 CAD
Retailer 5$9,073 CAD
Retailer 4$9,909 CAD
MOH London$13,332 CAD

42 data points across 5 retailers

8 retailers$6,808 CAD to $13,332 CAD

A
Cheapest Retailer
-
$6,808 CAD
A
Retailer 2
-
$7,892 CAD
View
A
Retailer 3
-
$7,914 CAD
View
A
Retailer 4
-
$8,617 CAD
View
Retailer 5
-
$9,073 CAD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$9,295 CAD
View
A
Retailer 7
-
$9,909 CAD
View
Most Expensive
B+
MOH London
AFA2496EC · Nov 4
$13,332 CAD
£7,463 GBP
View
7 more retailers have this diamond
Prices start from $6,808 CADSave up to $6,524 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
1.51ct Oval
$6,808 CAD