Round|Natural|GIA

1.51ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 5546985835

Certificate GIA 5546985835

Diamond specifications and retailer prices

From $3,214 CAD
As of November 6, 2026
Save $8,849 CAD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $12,063 CAD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5546985835. Listed at 18 retailers as of November 4, 2026, with prices from $3,214 to $12,063, a $8,849 spread on the same certified stone. Wholesale Diamonds Direct lists it at $12,063. 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
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5546985835
Dimensions7.27 × 7.32 × 4.58 mm
L/W Ratio1.01
Top View
7.27 mm7.32 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546985835
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $3,214 CAD|Low: $3,214 CAD|High: $7,413 CAD|Avg: $4,684 CAD|-2.7%
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
Retailer 15
November 6, 2026
Retailer 1$3,214 CAD
Retailer 13$3,811 CAD
Retailer 12$3,813 CAD
Retailer 3$4,077 CAD
Retailer 2$4,255 CAD
Retailer 4$4,255 CAD
Retailer 7$4,255 CAD
Retailer 5$4,419 CAD
Retailer 8$4,451 CAD
Retailer 6$4,454 CAD
Retailer 9$4,656 CAD
Retailer 15$4,909 CAD
Retailer 10$5,193 CAD
Retailer 11$7,096 CAD
Retailer 14$7,413 CAD

32 data points across 15 retailers

18 retailers$3,214 CAD to $12,063 CAD

A
Cheapest Retailer
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$3,214 CAD
A
Retailer 2
-
$3,811 CAD
View
A
Retailer 3
-
$3,813 CAD
View
A
Retailer 4
-
$4,077 CAD
View
Retailer 5
-
$4,219 CAD
View
Price last confirmed 60 days ago
A
Retailer 6
-
$4,255 CAD
View
Retailer 7
-
$4,255 CAD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$4,255 CAD
View
A
Retailer 9
-
$4,419 CAD
View
A
Retailer 10
-
$4,451 CAD
View
A
Retailer 11
-
$4,454 CAD
View
A
Retailer 12
-
$4,656 CAD
View
Retailer 13
-
$4,867 CAD
View
Price last confirmed 60 days ago
A
Retailer 14
-
$4,909 CAD
View
A
Retailer 15
-
$5,193 CAD
View
B+
Retailer 16
-
$7,096 CAD
View
B
Retailer 17
-
$7,413 CAD
View
Most Expensive
B
Wholesale Diamonds Direct
44512617 · Nov 4
$12,063 CAD
$8,637 USD
View
17 more retailers have this diamond
Prices start from $3,214 CADSave up to $8,849 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 Round
$3,214 CAD