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Marquise|Natural|GIA

1.50ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 5546565138

Certificate GIA 5546565138

Diamond specifications and retailer prices

From HK$77,610 HKD
$9,892 USD
As of October 30, 2026
Save HK$54,952 HKD (41%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$132,562 HKD 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 HK$77,610 to HK$132,562, a HK$54,952 spread on the same certified stone. MOH London lists it at HK$132,562. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$132,562 HKD|Low: HK$77,610 HKD|High: HK$132,562 HKD|Avg: HK$99,231 HKD|+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 31, 2026
Retailer 12HK$77,610 HKD
Retailer 10HK$78,331 HKD
Retailer 11HK$83,361 HKD
Retailer 5HK$85,134 HKD
Retailer 14HK$85,704 HKD
Retailer 8HK$91,251 HKD
Retailer 15HK$93,670 HKD
Retailer 13HK$103,934 HKD
Retailer 3HK$104,481 HKD
Retailer 7HK$105,446 HKD
Retailer 2HK$106,385 HKD
Retailer 6HK$109,580 HKD
Retailer 4HK$111,064 HKD
Retailer 9HK$123,373 HKD
MOH LondonHK$132,562 HKD

10 data points across 15 retailers

12 retailersHK$77,610 HKD to HK$132,562 HKD

B+
Cheapest Retailer
-
HK$77,610 HKD
$9,892 USD
B+
Retailer 2
-
HK$78,331 HKD
$9,984 USD
View
B+
Retailer 3
-
HK$83,361 HKD
$10,625 USD
View
B+
Retailer 4
-
HK$85,134 HKD
$10,851 USD
View
B+
Retailer 5
-
HK$85,704 HKD
CA$15,172 CAD
View
B+
Retailer 6
-
HK$91,251 HKD
£9,158 GBP
View
B+
Retailer 7
-
HK$93,670 HKD
$11,939 USD
View
B
Retailer 8
-
HK$103,934 HKD
$13,247 USD
View
B
Retailer 9
-
HK$104,481 HKD
$13,317 USD
View
B+
Retailer 10
-
HK$106,385 HKD
€12,914 EUR
View
B
Retailer 11
-
HK$123,373 HKD
ZAR 254,038 ZAR
View
Most Expensive
B
MOH London
01F495AAD · Oct 29
HK$132,562 HKD
£13,304 GBP
View
11 more retailers have this diamond
Prices start from HK$77,610 HKDSave up to HK$54,952 HKD

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
HK$77,610 HKD