CaratHunter
Plans
Oval|Natural|GIA

1.51ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 7558784147

Certificate GIA 7558784147

Diamond specifications and retailer prices

From $4,433 CAD
$3,173 USD
As of October 28, 2026
Save $3,697 CAD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,130 CAD at Wholesale Diamonds Direct · As of October 26, 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 J 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 7558784147. Listed at 14 retailers as of October 26, 2026, with prices from $4,433 to $8,130, a $3,697 spread on the same certified stone. Wholesale Diamonds Direct lists it at $8,130. 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
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle38.87°
OriginNatural
Grading LabGIA
CertificateGIA 7558784147
Dimensions8.95 × 6.41 × 3.98 mm
L/W Ratio1.40
Culet sizeNone
Top View
8.95 mm6.41 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558784147
Side View
Table 59.0%Crown 40.3°Girdle: MED-THKPavilion 38.87°Culet: NoneDepth 62.0%

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: Oct 28
Current: $5,170 CAD|Low: $4,433 CAD|High: $8,738 CAD|Avg: $5,778 CAD|-4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
October 29, 2026
Retailer 9$4,433 CAD
Retailer 7$4,508 CAD
Retailer 8$4,515 CAD
Retailer 3$4,663 CAD
Retailer 6$4,737 CAD
Retailer 1$5,170 CAD
Retailer 2$5,339 CAD
Retailer 11$5,602 CAD
Retailer 10$5,657 CAD
Retailer 12$5,743 CAD
Retailer 5$5,920 CAD
Retailer 4$7,475 CAD
Wholesale Diamonds Direct$8,130 CAD

36 data points across 13 retailers

14 retailers$4,433 CAD to $8,130 CAD

A
Cheapest Retailer
-
$4,433 CAD
$3,173 USD
A
Retailer 2
-
$4,508 CAD
$3,227 USD
View
A
Retailer 3
-
$4,515 CAD
SGD 4,368 SGD
View
A
Retailer 4
-
$4,663 CAD
$3,338 USD
View
A
Retailer 5
-
$4,737 CAD
$3,391 USD
View
A
Retailer 6
-
$5,170 CAD
£2,914 GBP
View
B+
Retailer 7
-
$5,339 CAD
SGD 5,165 SGD
View
A
Retailer 8
-
$5,602 CAD
$4,010 USD
View
A
Retailer 9
-
$5,657 CAD
$4,050 USD
View
A
Retailer 10
-
$5,743 CAD
$4,111 USD
View
B+
Retailer 11
-
$5,920 CAD
€4,036 EUR
View
B+
Retailer 12
-
$6,166 CAD
$4,414 USD
View
B+
Retailer 13
-
$7,475 CAD
$5,351 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
593994293 · Oct 26
$8,130 CAD
$5,820 USD
View
13 more retailers have this diamond
Prices start from $4,433 CADSave up to $3,697 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
$4,433 CAD