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Marquise|Natural|GIA

1.51ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 2564234109

Certificate GIA 2564234109

Diamond specifications and retailer prices

From $13,464 CAD
HK$75,300 HKD
As of October 30, 2026
Save $12,129 CAD (47%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $25,593 CAD at NZ Jewellers · As of October 30, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2564234109. Listed at 10 retailers as of October 30, 2026, with prices from $13,464 to $25,593, a $12,129 spread on the same certified stone. NZ Jewellers lists it at $25,593. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Pavilion angle41.04°
OriginNatural
Grading LabGIA
CertificateGIA 2564234109
Dimensions12.15 × 5.72 × 3.73 mm
L/W Ratio2.12
Key to symbols
Twinning Wisp, Crystal, Feather, Natural
Top View
12.15 mm5.72 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2564234109
Side View
Table 55.0%CrownGirdle: THK-VTKPavilion 41.04°Culet: NoneDepth 65.3%

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: Oct 30
Current: $25,593 CAD|Low: $13,464 CAD|High: $25,826 CAD|Avg: $18,679 CAD|-0.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 5$13,464 CAD
Retailer 3$14,874 CAD
Retailer 4$17,232 CAD
Retailer 8$18,244 CAD
Retailer 9$18,530 CAD
Retailer 10$19,059 CAD
Retailer 7$19,191 CAD
Retailer 2$23,321 CAD
Retailer 6$24,329 CAD
NZ Jewellers$25,593 CAD

10 data points across 10 retailers

10 retailers$13,464 CAD to $25,593 CAD

A
Cheapest Retailer
-
$13,464 CAD
HK$75,300 HKD
B+
Retailer 2
-
$14,874 CAD
€10,141 EUR
View
B+
Retailer 3
-
$17,232 CAD
£9,713 GBP
View
B
Retailer 4
-
$18,244 CAD
$13,060 USD
View
B
Retailer 5
-
$18,530 CAD
$13,265 USD
View
B
Retailer 6
-
$19,059 CAD
$13,644 USD
View
B+
Retailer 7
-
$19,191 CAD
€13,084 EUR
View
B
Retailer 8
-
$23,321 CAD
$16,695 USD
View
B
Retailer 9
-
$24,329 CAD
£13,714 GBP
View
Most Expensive
B
NZ Jewellers
221050fd-396e-4ec7-8e7b-c1425e163983 · Oct 30
$25,593 CAD
$18,321 USD
View
9 more retailers have this diamond
Prices start from $13,464 CADSave up to $12,129 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 Marquise
$13,464 CAD