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Round|Natural|GIA

1.51ct H VS1 Round Natural Diamond

EX • H/VS1 • GIA 2125555197

Certificate GIA 2125555197

Diamond specifications and retailer prices

From $18,631 CAD
As of November 4, 2026
Save $11,735 CAD (39%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $37,750 CAD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2125555197. Listed at 24 retailers as of November 2, 2026, with a 63% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2125555197
Dimensions7.41 × 7.33 × 4.53 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.41 mm7.33 mm1.51 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2125555197
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.4%

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 4
Current: $22,196 CAD|Low: $18,631 CAD|High: $33,879 CAD|Avg: $24,133 CAD|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4$18,631 CAD
Retailer 10$18,665 CAD
Retailer 8$20,542 CAD
Retailer 1$22,196 CAD
Retailer 7$22,506 CAD
Retailer 9$22,863 CAD
Retailer 2$24,115 CAD
Retailer 5$24,895 CAD
Retailer 6$31,490 CAD
Retailer 3$33,385 CAD

43 data points across 10 retailers

24 retailers$18,631 CAD to $30,366 CAD

B+
Cheapest Retailer
-
$18,631 CAD
B
Retailer 2
-
$18,665 CAD
View
B
Retailer 3
-
$19,614 CAD
View
B
Retailer 4
-
$19,707 CAD
View
B
Retailer 5
-
$20,082 CAD
View
B
Retailer 6
-
$20,093 CAD
View
B
Retailer 7
-
$20,542 CAD
View
Final sale: no returns
B
Retailer 8
-
$21,007 CAD
View
B
Retailer 9
-
$21,435 CAD
View
B
Retailer 10
-
$22,196 CAD
View
Retailer 11
-
$22,506 CAD
View
Price last confirmed 13 days ago
B
Retailer 12
-
$22,863 CAD
View
B
Retailer 13
-
$23,221 CAD
View
B
Retailer 14
-
$24,108 CAD
View
B
Retailer 15
-
$24,108 CAD
View
B
Retailer 16
-
$24,115 CAD
View
B
Retailer 17
-
$24,895 CAD
View
B
Retailer 18
-
$24,902 CAD
View
B
Retailer 19
-
$24,903 CAD
View
B
Retailer 20
-
$25,057 CAD
View
B
Retailer 21
-
$30,366 CAD
View
Retailer 22
-
$31,490 CAD
View
Price under review
Retailer 23
-
$33,385 CAD
View
Price under review
Most Expensive
Diamond Quarter
1.51VS1H2197EFBEN · Nov 2
$37,750 CAD
£21,331 GBP
View
Price under review
23 more retailers have this diamond
Prices start from $18,631 CADSave up to $11,735 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
$18,631 CAD