Oval|Natural|GIA

1.51ct F SI1 Oval Natural Diamond

ID • F/SI1 • GIA 5231846819

Certificate GIA 5231846819

Diamond specifications and retailer prices

From $8,926 CAD
$6,390 USD
As of October 28, 2026
Save $7,037 CAD (44%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $15,963 CAD at MOH London · As of October 29, 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 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 5231846819. Listed at 22 retailers as of October 28, 2026, with prices from $8,926 to $15,963, a $7,037 spread on the same certified stone. MOH London lists it at $15,963. 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
SymmetryExcellent
FluorescenceFaint
Pavilion angle38.6°
OriginNatural
Grading LabGIA
CertificateGIA 5231846819
Dimensions8.93 × 6.37 × 4.02 mm
L/W Ratio1.40
Top View
8.93 mm6.37 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5231846819
Side View
Table 56.0%CrownGirdle: MED-THKPavilion 38.6°Culet: NoneDepth 63.1%

Caratlytics Score

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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 28
Current: $15,963 CAD|Low: $8,207 CAD|High: $17,901 CAD|Avg: $10,627 CAD|+6.3%
MOH London
Retailer 2
Retailer 3
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Retailer 11
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Retailer 21
Retailer 22
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Retailer 25
October 30, 2026
Retailer 11$8,207 CAD
Retailer 7$8,742 CAD
Retailer 12$8,854 CAD
Retailer 10$8,891 CAD
Retailer 22$8,926 CAD
Retailer 17$9,108 CAD
Retailer 6$9,175 CAD
Retailer 8$9,226 CAD
Retailer 3$9,354 CAD
Retailer 2$9,568 CAD
Retailer 14$9,653 CAD
Retailer 24$9,872 CAD
Retailer 9$9,926 CAD
Retailer 5$10,209 CAD
Retailer 19$10,630 CAD
Retailer 13$10,831 CAD
Retailer 20$11,010 CAD
Retailer 23$11,510 CAD
Retailer 25$11,510 CAD
Retailer 4$11,888 CAD
Retailer 21$11,888 CAD
Retailer 18$11,901 CAD
Retailer 16$12,924 CAD
MOH London$15,963 CAD
Retailer 15$17,710 CAD

21 data points across 25 retailers

22 retailers$8,926 CAD to $15,963 CAD

Retailer 1
-
$8,742 CAD
$6,258 USD
Price last confirmed 12 days ago
Retailer 2
-
$8,891 CAD
$6,365 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$8,926 CAD
$6,390 USD
View
Retailer 4
-
$9,108 CAD
$6,520 USD
View
Price last confirmed 18 days ago
Retailer 5
-
$9,175 CAD
€6,255 EUR
View
Price last confirmed 11 days ago
Retailer 6
-
$9,226 CAD
$6,605 USD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$9,354 CAD
$6,696 USD
View
B+
Retailer 8
-
$9,568 CAD
View
Retailer 9
-
$9,653 CAD
$6,910 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
$9,872 CAD
$7,067 USD
View
Retailer 11
-
$10,153 CAD
$7,268 USD
View
Price last confirmed 12 days ago
Retailer 12
-
$10,209 CAD
A$11,243 AUD
View
Price last confirmed 11 days ago
Retailer 13
-
$10,263 CAD
$7,347 USD
View
Price last confirmed 26 days ago
B+
Retailer 14
-
$10,630 CAD
$7,610 USD
View
B+
Retailer 15
-
$10,831 CAD
£6,105 GBP
View
B+
Retailer 16
-
$11,010 CAD
$7,882 USD
View
B+
Retailer 17
-
$11,510 CAD
$8,240 USD
View
B+
Retailer 18
-
$11,510 CAD
$8,240 USD
View
B+
Retailer 19
-
$11,888 CAD
$8,510 USD
View
B+
Retailer 20
-
$11,888 CAD
€8,105 EUR
View
Retailer 21
-
$11,901 CAD
$8,519 USD
View
Price last confirmed 16 days ago
Most Expensive
B
MOH London
456809E73 · Oct 29
$15,963 CAD
£8,998 GBP
View
21 more retailers have this diamond
Prices start from $8,926 CADSave up to $7,037 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
$8,926 CAD