Marquise|Natural|GIA

1.51ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 7553357466

Certificate GIA 7553357466

Diamond specifications and retailer prices

From $14,206 CAD
$10,170 USD
As of October 30, 2026
Save $11,330 CAD (44%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $25,537 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 D 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 7553357466. Listed at 26 retailers as of October 30, 2026, with prices from $14,206 to $25,537, a $11,330 spread on the same certified stone. NZ Jewellers lists it at $25,537. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7553357466
Dimensions11.87 × 6.01 × 3.45 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle
Top View
11.87 mm6.01 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7553357466
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 57.4%

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: $14,661 CAD|Low: $12,473 CAD|High: $24,716 CAD|Avg: $17,408 CAD|+17.5%
Retailer 1
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 3$14,206 CAD
Retailer 7$14,216 CAD
Retailer 18$14,393 CAD
Retailer 4$14,624 CAD
Retailer 1$14,661 CAD
Retailer 20$15,121 CAD
Retailer 8$15,321 CAD
Retailer 6$16,348 CAD
Retailer 12$16,564 CAD
Retailer 2$16,599 CAD
Retailer 19$16,656 CAD
Retailer 11$16,924 CAD
Retailer 13$17,261 CAD
Retailer 10$17,866 CAD
Retailer 21$17,866 CAD
Retailer 9$18,246 CAD
Retailer 16$18,444 CAD
Retailer 5$18,467 CAD
Retailer 14$18,680 CAD
Retailer 17$22,390 CAD
Retailer 15$24,058 CAD

37 data points across 21 retailers

26 retailers$14,206 CAD to $25,537 CAD

A
Cheapest Retailer
-
$14,206 CAD
$10,170 USD
A
Retailer 2
-
$14,216 CAD
$10,177 USD
View
A
Retailer 3
-
$14,393 CAD
A$15,852 AUD
View
B+
Retailer 4
-
$14,624 CAD
$10,469 USD
View
A
Retailer 5
-
$14,661 CAD
$10,495 USD
View
B+
Retailer 6
-
$15,121 CAD
$10,825 USD
View
B+
Retailer 7
-
$15,321 CAD
$10,968 USD
View
Final sale: no returns
B+
Retailer 8
-
$15,323 CAD
$10,969 USD
View
B+
Retailer 9
-
$16,348 CAD
$11,703 USD
View
B+
Retailer 10
-
$16,564 CAD
£9,337 GBP
View
B+
Retailer 11
-
$16,599 CAD
$11,883 USD
View
Retailer 12
-
$16,656 CAD
A$18,343 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$16,855 CAD
$12,066 USD
View
B+
Retailer 14
-
$16,924 CAD
$12,115 USD
View
Retailer 15
-
$17,261 CAD
$12,357 USD
View
Price last confirmed 9 days ago
B
Retailer 16
-
$17,866 CAD
$12,790 USD
View
B
Retailer 17
-
$17,866 CAD
$12,790 USD
View
B
Retailer 18
-
$18,246 CAD
$13,061 USD
View
B+
Retailer 19
-
$18,444 CAD
€12,575 EUR
View
B
Retailer 20
-
$18,467 CAD
$13,220 USD
View
B+
Retailer 21
-
$18,680 CAD
$13,373 USD
View
B+
Retailer 22
-
$19,153 CAD
$13,711 USD
View
Retailer 23
-
$19,547 CAD
$13,993 USD
View
Price last confirmed 51 days ago
B
Retailer 24
-
$22,390 CAD
ZAR 258,945 ZAR
View
B
Retailer 25
-
$24,058 CAD
£13,561 GBP
View
Most Expensive
B
NZ Jewellers
90d1e83d-884f-47a5-b97e-aee151af1695 · Oct 30
$25,537 CAD
$18,281 USD
View
25 more retailers have this diamond
Prices start from $14,206 CADSave up to $11,330 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
$14,206 CAD