Marquise|Natural|GIA

1.50ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 5546565138

Certificate GIA 5546565138

Diamond specifications and retailer prices

From $9,892 USD
As of October 29, 2026
Save $7,004 USD (41%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $16,896 USD at MOH London · As of October 29, 2026
View at MOH London

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 5546565138. Listed at 12 retailers as of October 29, 2026, with prices from $9,892 to $16,896, a $7,004 spread on the same certified stone. MOH London lists it at $16,896. 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
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Crown angle39.97°
Pavilion angle37.22°
OriginNatural
Grading LabGIA
CertificateGIA 5546565138
Dimensions10.72 × 5.81 × 3.80 mm
L/W Ratio1.85
Top View
10.72 mm5.81 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5546565138
Side View
Table 55.0%Crown 39.97°Girdle: ThickPavilion 37.22°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $16,896 USD|Low: $9,892 USD|High: $16,896 USD|Avg: $12,644 USD|+0.4%
MOH London
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 12$9,892 USD
Retailer 10$9,984 USD
Retailer 11$10,625 USD
Retailer 5$10,851 USD
Retailer 14$10,924 USD
Retailer 2$11,631 USD
Retailer 15$11,939 USD
Retailer 13$13,247 USD
Retailer 3$13,317 USD
Retailer 7$13,440 USD
Retailer 8$13,537 USD
Retailer 6$13,967 USD
Retailer 4$14,156 USD
Retailer 9$15,725 USD
MOH London$16,896 USD

9 data points across 15 retailers

12 retailers$9,892 USD to $16,896 USD

B+
Cheapest Retailer
-
$9,892 USD
B+
Retailer 2
-
$9,984 USD
View
B+
Retailer 3
-
$10,625 USD
View
B+
Retailer 4
-
$10,851 USD
View
B+
Retailer 5
-
$10,924 USD
CA$15,172 CAD
View
B+
Retailer 6
-
$11,631 USD
£9,158 GBP
View
B+
Retailer 7
-
$11,939 USD
View
B
Retailer 8
-
$13,247 USD
View
B
Retailer 9
-
$13,317 USD
View
B+
Retailer 10
-
$13,537 USD
€12,892 EUR
View
B
Retailer 11
-
$15,725 USD
ZAR 254,038 ZAR
View
Most Expensive
B
MOH London
01F495AAD · Oct 29
$16,896 USD
£13,304 GBP
View
11 more retailers have this diamond
Prices start from $9,892 USDSave up to $7,004 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
$9,892 USD