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Marquise|Natural|GIA

1.50ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2566386329

Certificate GIA 2566386329

Diamond specifications and retailer prices

From $12,158 CAD
SGD 11,762 SGD
As of October 31, 2026
Save $9,695 CAD (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $21,853 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566386329. Listed at 16 retailers as of October 30, 2026, with prices from $12,158 to $21,853, a $9,695 spread on the same certified stone. NZ Jewellers lists it at $21,853. 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

1.50
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566386329
Dimensions11.08 × 5.84 × 3.77 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural, Natural
Top View
11.08 mm5.84 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566386329
Side View
Table 57.0%CrownGirdle: THK-VTKPavilionCulet: 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: Oct 31
Current: $15,900 CAD|Low: $10,281 CAD|High: $20,478 CAD|Avg: $14,267 CAD|+0.3%
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
November 2, 2026
Retailer 5$10,281 CAD
Retailer 3$12,158 CAD
Retailer 13$12,600 CAD
Retailer 4$12,701 CAD
Retailer 12$12,736 CAD
Retailer 10$12,808 CAD
Retailer 9$13,688 CAD
Retailer 6$14,071 CAD
Retailer 7$14,373 CAD
Retailer 11$15,267 CAD
Retailer 1$15,900 CAD
Retailer 2$16,703 CAD
Retailer 14$17,891 CAD
Retailer 8$20,478 CAD

22 data points across 14 retailers

16 retailers$12,158 CAD to $21,853 CAD

Retailer 1
-
$10,281 CAD
HK$57,500 HKD
Price last confirmed 12 days ago
Retailer 2
-
$11,075 CAD
$7,928 USD
View
Price last confirmed 25 days ago
B+
Retailer 3
-
$12,158 CAD
SGD 11,762 SGD
View
Retailer 4
-
$12,600 CAD
$9,020 USD
View
Price last confirmed 13 days ago
Retailer 5
-
$12,702 CAD
$9,093 USD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$12,736 CAD
View
B+
Retailer 7
-
$12,808 CAD
$9,169 USD
View
B+
Retailer 8
-
$13,688 CAD
$9,799 USD
View
Retailer 9
-
$14,071 CAD
$10,073 USD
View
Price last confirmed 15 days ago
B
Retailer 10
-
$14,373 CAD
£8,102 GBP
View
B
Retailer 11
-
$15,267 CAD
$10,929 USD
View
B
Retailer 12
-
$15,900 CAD
€10,840 EUR
View
Retailer 13
-
$16,703 CAD
ZAR 193,167 ZAR
View
Price last confirmed 15 days ago
Retailer 14
-
$17,891 CAD
£10,085 GBP
View
Price last confirmed 13 days ago
B
Retailer 15
-
$20,478 CAD
£11,543 GBP
View
Most Expensive
B
NZ Jewellers
11a2c466-eaa3-4932-8d53-641ef062e906 · Oct 30
$21,853 CAD
$15,644 USD
View
15 more retailers have this diamond
Prices start from $12,158 CADSave up to $9,695 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+
1.50ct Marquise
$12,158 CAD