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Marquise|Natural|GIA

1.51ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 1549750982

Certificate GIA 1549750982

Diamond specifications and retailer prices

From $11,853 CAD
$8,485 USD
As of November 1, 2026
Save $9,877 CAD (45%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $21,730 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1549750982. Listed at 22 retailers as of October 30, 2026, with prices from $11,853 to $21,730, a $9,877 spread on the same certified stone. NZ Jewellers lists it at $21,730. 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
G
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.86°
Pavilion angle38.04°
OriginNatural
Grading LabGIA
CertificateGIA 1549750982
Dimensions10.98 × 6.00 × 3.64 mm
L/W Ratio1.83
Girdle conditionExtremely Thick
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
10.98 mm6.00 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1549750982
Side View
Table 63.0%Crown 38.86°Girdle: THK-ETKPavilion 38.04°Culet: NoneDepth 60.6%

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 1
Current: $21,730 CAD|Low: $11,853 CAD|High: $21,730 CAD|Avg: $15,672 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
November 1, 2026
Retailer 2$11,853 CAD
Retailer 6$12,208 CAD
Retailer 4$12,221 CAD
Retailer 5$13,039 CAD
Retailer 14$13,039 CAD
Retailer 7$13,148 CAD
Retailer 13$14,125 CAD
Retailer 10$14,269 CAD
Retailer 3$14,342 CAD
Retailer 9$15,105 CAD
Retailer 15$16,298 CAD
Retailer 11$16,428 CAD
Retailer 12$19,391 CAD
Retailer 8$20,363 CAD
NZ Jewellers$21,730 CAD

35 data points across 15 retailers

22 retailers$11,853 CAD to $21,730 CAD

B+
Cheapest Retailer
-
$11,853 CAD
$8,485 USD
B+
Retailer 2
-
$12,208 CAD
$8,739 USD
View
B+
Retailer 3
-
$12,221 CAD
$8,749 USD
View
B+
Retailer 4
-
$13,039 CAD
$9,334 USD
View
B+
Retailer 5
-
$13,039 CAD
$9,334 USD
View
Final sale: no returns
B+
Retailer 6
-
$13,148 CAD
$9,412 USD
View
B+
Retailer 7
-
$13,903 CAD
$9,953 USD
View
B+
Retailer 8
-
$13,948 CAD
$9,985 USD
View
B+
Retailer 9
-
$14,125 CAD
$10,112 USD
View
B+
Retailer 10
-
$14,269 CAD
£8,043 GBP
View
B+
Retailer 11
-
$14,342 CAD
$10,267 USD
View
B
Retailer 12
-
$14,765 CAD
$10,570 USD
View
B
Retailer 13
-
$14,765 CAD
$10,570 USD
View
B+
Retailer 14
-
$15,105 CAD
£8,515 GBP
View
B
Retailer 15
-
$15,254 CAD
$10,920 USD
View
B
Retailer 16
-
$16,298 CAD
$11,667 USD
View
Retailer 17
-
$16,298 CAD
$11,667 USD
View
Price last confirmed 12 days ago
B+
Retailer 18
-
$16,428 CAD
€11,200 EUR
View
Retailer 19
-
$17,160 CAD
$12,284 USD
View
Price last confirmed 18 days ago
B
Retailer 20
-
$19,391 CAD
£10,930 GBP
View
B
Retailer 21
-
$20,363 CAD
£11,478 GBP
View
Most Expensive
B
NZ Jewellers
116673ab-6131-4634-8d9b-3ee3961d970b · Oct 30
$21,730 CAD
$15,556 USD
View
21 more retailers have this diamond
Prices start from $11,853 CADSave up to $9,877 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
$11,853 CAD