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Marquise|Natural|GIA

1.51ct H SI1 Marquise Natural Diamond

VG • H/SI1 • GIA 5556531806

Certificate GIA 5556531806

Diamond specifications and retailer prices

From $15,072 CAD
As of November 6, 2026
Save $9,717 CAD (39%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $24,789 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 5556531806. Listed at 11 retailers as of November 5, 2026, with prices from $15,072 to $24,789, a $9,717 spread on the same certified stone. NZ Jewellers lists it at $24,789. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
H
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556531806
Dimensions10.98 × 5.75 × 3.67 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Indented Natural, Needle, Natural
Top View
10.98 mm5.75 mm1.51 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5556531806
Side View
Table 61.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 63.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $15,408 CAD|Low: $15,408 CAD|High: $23,509 CAD|Avg: $18,906 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$15,408 CAD
Retailer 3$15,916 CAD
Retailer 7$16,158 CAD
Retailer 2$16,667 CAD
Retailer 6$18,663 CAD
Retailer 4$21,700 CAD
Retailer 5$23,165 CAD

40 data points across 7 retailers

11 retailers$15,072 CAD to $24,789 CAD

B
Cheapest Retailer
-
$15,072 CAD
B
Retailer 2
-
$15,408 CAD
View
B
Retailer 3
-
$15,916 CAD
View
Retailer 4
-
$16,158 CAD
View
Price last confirmed 14 days ago
B
Retailer 5
-
$16,592 CAD
View
B
Retailer 6
-
$16,667 CAD
View
B
Retailer 7
-
$17,718 CAD
View
B
Retailer 8
-
$18,663 CAD
View
B
Retailer 9
-
$21,700 CAD
View
B
Retailer 10
-
$23,165 CAD
View
Most Expensive
C
NZ Jewellers
01211c48-ab80-4a2d-a4fc-f3dd241d3655 · Nov 5
$24,789 CAD
$17,623 USD
View
10 more retailers have this diamond
Prices start from $15,072 CADSave up to $9,717 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 Marquise
$15,072 CAD