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Marquise|Natural|GIA

1.50ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1565093496

Certificate GIA 1565093496

Diamond specifications and retailer prices

From €9,499 EUR
A$16,328 AUD
As of October 31, 2026
Save €8,999 EUR (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €18,499 EUR 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 €9,499 to €18,499, a €8,999 spread on the same certified stone. NZ Jewellers lists it at €18,499. 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 31
Current: €18,499 EUR|Low: €10,646 EUR|High: €18,499 EUR|Avg: €13,571 EUR
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 7€10,646 EUR
Retailer 13€11,368 EUR
Retailer 6€11,668 EUR
Retailer 12€11,741 EUR
Retailer 14€12,034 EUR
Retailer 11€12,086 EUR
Retailer 8€12,418 EUR
Retailer 15€13,068 EUR
Retailer 4€13,272 EUR
Retailer 5€13,602 EUR
Retailer 3€13,783 EUR
Retailer 10€13,986 EUR
Retailer 9€16,306 EUR
Retailer 2€17,335 EUR
NZ Jewellers€18,499 EUR

38 data points across 15 retailers

14 retailers€9,499 EUR to €18,499 EUR

B+
Cheapest Retailer
-
€9,499 EUR
A$16,328 AUD
B+
Retailer 2
-
€11,368 EUR
$12,700 USD
View
B
Retailer 3
-
€11,741 EUR
$13,117 USD
View
Final sale: no returns
B+
Retailer 4
-
€12,034 EUR
$13,445 USD
View
Retailer 5
-
€12,086 EUR
A$20,772 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€12,418 EUR
£10,924 GBP
View
B
Retailer 7
-
€13,068 EUR
$14,600 USD
View
B
Retailer 8
-
€13,272 EUR
$14,828 USD
View
B
Retailer 9
-
€13,602 EUR
$15,197 USD
View
B
Retailer 10
-
€13,783 EUR
$15,398 USD
View
B
Retailer 11
-
€13,986 EUR
View
B
Retailer 12
-
€16,306 EUR
ZAR 294,303 ZAR
View
B
Retailer 13
-
€17,335 EUR
£15,249 GBP
View
Most Expensive
B
NZ Jewellers
3f3dd080-c26f-48cc-ae1d-bfa37b6cd508 · Oct 30
€18,499 EUR
$20,667 USD
View
13 more retailers have this diamond
Prices start from €9,499 EURSave up to €8,999 EUR

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
€9,499 EUR