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Oval|Natural|GIA

1.51ct D SI2 Oval Natural Diamond

EX • D/SI2 • GIA 7551878141

Certificate GIA 7551878141

Diamond specifications and retailer prices

From $6,253 CAD
$4,468 USD
As of October 24, 2026
Save $5,083 CAD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $11,336 CAD at Wholesale Diamonds Direct · As of October 23, 2026
View at Wholesale Diamonds Direct

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 7551878141. Listed at 11 retailers as of October 23, 2026, with prices from $6,253 to $11,336, a $5,083 spread on the same certified stone. Wholesale Diamonds Direct lists it at $11,336. 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
FluorescenceMedium
Crown angle39.34°
Pavilion angle39.99°
OriginNatural
Grading LabGIA
CertificateGIA 7551878141
Dimensions8.91 × 6.40 × 4.02 mm
L/W Ratio1.39
Culet sizeNone
Top View
8.91 mm6.40 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7551878141
Side View
Table 58.0%Crown 39.34°Girdle: STK-THKPavilion 39.99°Culet: NoneDepth 62.9%

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: Oct 24
Current: $7,953 CAD|Low: $6,253 CAD|High: $12,355 CAD|Avg: $8,179 CAD|-5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 24, 2026
Retailer 2$6,253 CAD
Retailer 4$6,293 CAD
Retailer 5$6,397 CAD
Retailer 3$6,543 CAD
Retailer 10$6,746 CAD
Retailer 7$6,946 CAD
Retailer 6$7,752 CAD
Retailer 8$7,757 CAD
Retailer 1$7,953 CAD
Retailer 9$10,661 CAD
Wholesale Diamonds Direct$11,336 CAD

38 data points across 11 retailers

11 retailers$6,253 CAD to $11,336 CAD

A
Cheapest Retailer
-
$6,253 CAD
$4,468 USD
A
Retailer 2
-
$6,293 CAD
SGD 6,076 SGD
View
A
Retailer 3
-
$6,397 CAD
$4,570 USD
View
A
Retailer 4
-
$6,543 CAD
$4,675 USD
View
A
Retailer 5
-
$6,746 CAD
SGD 6,513 SGD
View
A
Retailer 6
-
$6,946 CAD
£3,908 GBP
View
A
Retailer 7
-
$7,752 CAD
$5,539 USD
View
A
Retailer 8
-
$7,757 CAD
$5,542 USD
View
A
Retailer 9
-
$7,953 CAD
€5,412 EUR
View
B+
Retailer 10
-
$10,661 CAD
$7,617 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
Wholesale Diamonds Direct
465835342 · Oct 23
$11,336 CAD
$8,099 USD
View
10 more retailers have this diamond
Prices start from $6,253 CADSave up to $5,083 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
$6,253 CAD