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Oval|Natural|GIA

1.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 1548486476

Certificate GIA 1548486476

Diamond specifications and retailer prices

From $6,601 CAD
₹450,066 INR
As of October 30, 2026
Save $1,748 CAD (21%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,349 CAD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two 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 1548486476. Listed at 7 retailers as of October 29, 2026, with prices from $6,601 to $8,349, a $1,748 spread on the same certified stone. Blue Nile lists it at $8,349. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1548486476
Dimensions9.07 × 6.46 × 4.09 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
9.07 mm6.46 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1548486476
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.4%

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 30
Current: $8,349 CAD|Low: $6,429 CAD|High: $9,235 CAD|Avg: $7,385 CAD|-9.6%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2$6,601 CAD
Retailer 4$6,740 CAD
Retailer 7$7,075 CAD
Retailer 6$7,310 CAD
Retailer 3$7,493 CAD
Retailer 5$7,583 CAD
Blue Nile$8,349 CAD

38 data points across 7 retailers

7 retailers$6,601 CAD to $8,349 CAD

A
Cheapest Retailer
-
$6,601 CAD
₹450,066 INR
A
Retailer 2
-
$6,740 CAD
$4,825 USD
View
A
Retailer 3
-
$7,075 CAD
$5,065 USD
View
A
Retailer 4
-
$7,310 CAD
$5,233 USD
View
Final sale: no returns
A
Retailer 5
-
$7,493 CAD
£4,224 GBP
View
B+
Retailer 6
-
$7,583 CAD
SGD 7,336 SGD
View
Most Expensive
B+
Blue Nile
27966075 · Oct 29
$8,349 CAD
$5,977 USD
View
6 more retailers have this diamond
Prices start from $6,601 CADSave up to $1,748 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
$6,601 CAD