Oval|Natural|GIA

1.51ct F SI1 Oval Natural Diamond

ID • F/SI1 • GIA 6531369634

Certificate GIA 6531369634

Diamond specifications and retailer prices

From $12,177 CAD
As of November 6, 2026
Save $9,814 CAD (45%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $21,991 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6531369634. Listed at 16 retailers as of November 5, 2026, with prices from $12,177 to $21,991, a $9,814 spread on the same certified stone. NZ Jewellers lists it at $21,991. 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
F
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531369634
Dimensions9.60 × 6.16 × 3.93 mm
L/W Ratio1.56
Top View
9.60 mm6.16 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6531369634
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $21,991 CAD|Low: $12,033 CAD|High: $21,991 CAD|Avg: $15,689 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 4$12,177 CAD
Retailer 14$13,074 CAD
Retailer 7$13,195 CAD
Retailer 15$13,305 CAD
Retailer 5$14,294 CAD
Retailer 9$14,299 CAD
Retailer 3$14,360 CAD
Retailer 12$14,515 CAD
Retailer 2$14,682 CAD
Retailer 13$15,129 CAD
Retailer 6$16,494 CAD
Retailer 8$16,530 CAD
Retailer 10$19,249 CAD
Retailer 11$20,552 CAD
NZ Jewellers$21,991 CAD

40 data points across 15 retailers

16 retailers$12,177 CAD to $21,991 CAD

B+
Cheapest Retailer
-
$12,177 CAD
B+
Retailer 2
-
$12,354 CAD
View
B+
Retailer 3
-
$13,074 CAD
View
B+
Retailer 4
-
$13,305 CAD
View
B
Retailer 5
-
$14,070 CAD
View
B
Retailer 6
-
$14,294 CAD
View
B+
Retailer 7
-
$14,299 CAD
View
Retailer 8
-
$14,360 CAD
View
Our latest check could not confirm this price
B
Retailer 9
-
$14,515 CAD
View
B+
Retailer 10
-
$14,682 CAD
View
B
Retailer 11
-
$15,129 CAD
View
B
Retailer 12
-
$16,494 CAD
View
B
Retailer 13
-
$16,530 CAD
View
B
Retailer 14
-
$19,249 CAD
View
B
Retailer 15
-
$20,552 CAD
View
Most Expensive
B
NZ Jewellers
ef70bf24-57fa-4a5e-9bde-f717cf668600 · Nov 5
$21,991 CAD
$15,634 USD
View
15 more retailers have this diamond
Prices start from $12,177 CADSave up to $9,814 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.

B+
1.51ct Oval
$12,177 CAD