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Round|Natural|GIA

1.51ct I VS1 Round Natural Diamond

ID • I/VS1 • GIA 307

Certificate GIA 307

Diamond specifications and retailer prices

From $8,680 CAD
As of November 3, 2026
Save $5,646 CAD (39%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $14,327 CAD at Helzberg Diamonds · As of November 3, 2026
View at Helzberg Diamonds

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA. Listed at 7 retailers as of November 3, 2026, with prices from $8,680 to $14,327, a $5,646 spread on the same certified stone. Helzberg Diamonds lists it at $14,327. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 307
Dimensions7.26 × 7.32 × 4.58 mm
L/W Ratio1.01
Top View
7.26 mm7.32 mm1.51 ctI / VS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 307
Side View
Table 58.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 62.8%

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: Nov 3
Current: $14,327 CAD|Low: $8,680 CAD|High: $14,962 CAD|Avg: $11,189 CAD|-4.2%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 5$8,680 CAD
Retailer 4$9,211 CAD
Retailer 2$9,235 CAD
Retailer 3$9,363 CAD
Retailer 7$10,125 CAD
Retailer 6$10,995 CAD
Retailer 8$12,547 CAD
Retailer 9$14,090 CAD
Helzberg Diamonds$14,327 CAD

31 data points across 9 retailers

7 retailers$8,680 CAD to $14,327 CAD

A
Cheapest Retailer
-
$8,680 CAD
A
Retailer 2
-
$9,211 CAD
View
A
Retailer 3
-
$9,235 CAD
View
A
Retailer 4
-
$9,363 CAD
View
Retailer 5
-
$10,125 CAD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$10,995 CAD
View
Most Expensive
B+
Helzberg Diamonds
XZRMLMLHOHMPG · Nov 3
$14,327 CAD
$10,281 USD
View
6 more retailers have this diamond
Prices start from $8,680 CADSave up to $5,646 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
$8,680 CAD