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Round|Natural|GIA

1.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 1242017096

Certificate GIA 1242017096

Diamond specifications and retailer prices

From $9,862 CAD
$7,060 USD
As of November 1, 2026
Save $4,017 CAD (29%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $21,773 CAD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1242017096. Listed at 14 retailers as of November 1, 2026, with a 41% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1242017096
Dimensions7.27 × 7.31 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.27 mm7.31 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242017096
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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 1
Current: $12,711 CAD|Low: $9,862 CAD|High: $18,362 CAD|Avg: $12,657 CAD|+6.2%
Retailer 1
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
November 2, 2026
Retailer 4$9,862 CAD
Retailer 6$10,474 CAD
Retailer 5$10,689 CAD
Retailer 9$10,887 CAD
Retailer 2$11,601 CAD
Retailer 14$12,069 CAD
Retailer 1$12,711 CAD
Retailer 10$12,935 CAD
Retailer 11$12,935 CAD
Retailer 12$13,368 CAD
Retailer 7$13,457 CAD
Retailer 3$13,880 CAD
Retailer 13$14,335 CAD
Retailer 8$18,362 CAD

39 data points across 14 retailers

14 retailers$9,862 CAD to $13,880 CAD

B+
Cheapest Retailer
-
$9,862 CAD
$7,060 USD
B+
Retailer 2
-
$10,474 CAD
$7,498 USD
View
B+
Retailer 3
-
$10,689 CAD
View
Retailer 4
-
$11,794 CAD
$8,443 USD
View
Price last confirmed 31 days ago
Retailer 5
-
$11,976 CAD
$8,573 USD
View
Price last confirmed 33 days ago
B+
Retailer 6
-
$12,069 CAD
$8,640 USD
View
B
Retailer 7
-
$12,499 CAD
$8,948 USD
View
B+
Retailer 8
-
$12,711 CAD
£7,165 GBP
View
B+
Retailer 9
-
$13,457 CAD
€9,175 EUR
View
Retailer 10
-
$13,609 CAD
$9,742 USD
View
Price last confirmed 33 days ago
B
Retailer 11
-
$13,880 CAD
$9,936 USD
View
Retailer 12
-
$14,335 CAD
$10,262 USD
View
Price last confirmed 32 days ago
Retailer 13
-
$18,362 CAD
£10,350 GBP
View
Price last confirmed 32 days ago
Most Expensive
NZ Jewellers
cd07d860-0138-4b01-aa21-a8bee6ea6b1c · Sep 28
$21,773 CAD
$15,587 USD
View
Price last confirmed 35 days ago
13 more retailers have this diamond
Prices start from $9,862 CADSave up to $4,017 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 Round
$9,862 CAD