Marquise|Natural|GIA

1.50ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1565093496

Certificate GIA 1565093496

Diamond specifications and retailer prices

From $10,613 USD
A$16,328 AUD
As of October 30, 2026
Save $10,054 USD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $20,667 USD 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 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 1565093496. Listed at 14 retailers as of October 30, 2026, with prices from $10,613 to $20,667, a $10,054 spread on the same certified stone. NZ Jewellers lists it at $20,667. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565093496
Dimensions11.96 × 5.87 × 3.77 mm
L/W Ratio2.04
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural, Needle
Top View
11.96 mm5.87 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565093496
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.3%

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 30
Current: $20,667 USD|Low: $11,893 USD|High: $20,667 USD|Avg: $15,170 USD
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
October 30, 2026
Retailer 7$11,893 USD
Retailer 13$12,700 USD
Retailer 6$13,035 USD
Retailer 12$13,117 USD
Retailer 14$13,445 USD
Retailer 11$13,502 USD
Retailer 2$13,915 USD
Retailer 15$14,600 USD
Retailer 4$14,828 USD
Retailer 5$15,197 USD
Retailer 3$15,398 USD
Retailer 9$15,600 USD
Retailer 10$18,121 USD
Retailer 8$19,469 USD
NZ Jewellers$20,667 USD

36 data points across 15 retailers

14 retailers$10,613 USD to $20,667 USD

B+
Cheapest Retailer
-
$10,613 USD
A$16,328 AUD
B+
Retailer 2
-
$12,700 USD
View
B
Retailer 3
-
$13,117 USD
View
Final sale: no returns
B+
Retailer 4
-
$13,445 USD
View
B+
Retailer 5
-
$13,502 USD
A$20,772 AUD
View
B+
Retailer 6
-
$13,915 USD
£10,957 GBP
View
B
Retailer 7
-
$14,600 USD
View
B
Retailer 8
-
$14,828 USD
View
B
Retailer 9
-
$15,197 USD
View
B
Retailer 10
-
$15,398 USD
View
B
Retailer 11
-
$15,600 USD
€14,857 EUR
View
B
Retailer 12
-
$18,121 USD
ZAR 292,739 ZAR
View
B
Retailer 13
-
$19,469 USD
£15,330 GBP
View
Most Expensive
B
NZ Jewellers
3f3dd080-c26f-48cc-ae1d-bfa37b6cd508 · Oct 30
$20,667 USD
View
13 more retailers have this diamond
Prices start from $10,613 USDSave up to $10,054 USD

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
$10,613 USD