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Marquise|Natural|GIA

1.51ct H SI1 Marquise Natural Diamond

VG • H/SI1 • GIA 2557673649

Certificate GIA 2557673649

Diamond specifications and retailer prices

From $12,506 CAD
As of November 6, 2026
Save $8,826 CAD (41%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $21,332 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 2557673649. Listed at 15 retailers as of November 5, 2026, with prices from $12,506 to $21,332, a $8,826 spread on the same certified stone. NZ Jewellers lists it at $21,332. 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
Crown angle34.6°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 2557673649
Dimensions11.04 × 5.91 × 3.82 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Natural
Top View
11.04 mm5.91 mm1.51 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557673649
Side View
Table 63.0%Crown 34.6°Girdle: STK-VTKPavilion 40.4°Culet: NoneDepth 64.6%

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 6
Current: $21,332 CAD|Low: $12,448 CAD|High: $21,332 CAD|Avg: $13,753 CAD
NZ Jewellers
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
Retailer 16
November 6, 2026
Retailer 8$12,448 CAD
Retailer 14$12,506 CAD
Retailer 12$12,527 CAD
Retailer 7$12,828 CAD
Retailer 16$13,353 CAD
Retailer 11$14,003 CAD
Retailer 9$14,380 CAD
Retailer 13$14,384 CAD
Retailer 6$14,893 CAD
Retailer 3$15,219 CAD
Retailer 4$15,219 CAD
Retailer 10$15,439 CAD
Retailer 2$15,705 CAD
Retailer 5$15,726 CAD
Retailer 15$19,936 CAD
NZ Jewellers$21,332 CAD

25 data points across 16 retailers

15 retailers$12,506 CAD to $21,332 CAD

B+
Cheapest Retailer
-
$12,506 CAD
B+
Retailer 2
-
$12,527 CAD
View
Retailer 3
-
$12,828 CAD
View
Price last confirmed 15 days ago
B+
Retailer 4
-
$13,353 CAD
View
B
Retailer 5
-
$14,003 CAD
View
B
Retailer 6
-
$14,380 CAD
View
B
Retailer 7
-
$14,384 CAD
View
B
Retailer 8
-
$14,893 CAD
View
B
Retailer 9
-
$15,219 CAD
View
B
Retailer 10
-
$15,219 CAD
View
B
Retailer 11
-
$15,439 CAD
View
B
Retailer 12
-
$15,705 CAD
View
B
Retailer 13
-
$15,726 CAD
View
B
Retailer 14
-
$19,936 CAD
View
Most Expensive
C
NZ Jewellers
bdc42ab6-79b9-4906-bbc7-3852fac9c939 · Nov 5
$21,332 CAD
$15,166 USD
View
14 more retailers have this diamond
Prices start from $12,506 CADSave up to $8,826 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
$12,506 CAD