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Marquise|Natural|GIA

1.50ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 6551670301

Certificate GIA 6551670301

Diamond specifications and retailer prices

From HK$89,457 HKD
CA$15,835 CAD
As of November 2, 2026
Save HK$49,229 HKD (35%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$138,687 HKD at MOH London · As of November 1, 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 6551670301. Listed at 9 retailers as of November 1, 2026, with prices from HK$89,457 to HK$138,687, a HK$49,229 spread on the same certified stone. MOH London lists it at HK$138,687. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551670301
Dimensions11.43 × 5.89 × 3.77 mm
L/W Ratio1.94
Top View
11.43 mm5.89 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551670301
Side View
Table 60.0%CrownGirdle: THN-XTKPavilionCulet: NoneDepth 64.0%

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: Nov 2
Current: HK$138,687 HKD|Low: HK$75,212 HKD|High: HK$138,687 HKD|Avg: HK$96,975 HKD|+12.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9HK$75,659 HKD
Retailer 10HK$87,434 HKD
Retailer 4HK$89,457 HKD
Retailer 3HK$96,036 HKD
Retailer 6HK$98,602 HKD
Retailer 5HK$105,451 HKD
Retailer 8HK$109,979 HKD
Retailer 2HK$111,853 HKD
Retailer 7HK$116,813 HKD
MOH LondonHK$138,687 HKD

24 data points across 10 retailers

9 retailersHK$89,457 HKD to HK$138,687 HKD

Retailer 1
-
HK$87,434 HKD
A$17,144 AUD
Price last confirmed 29 days ago
B+
Retailer 2
-
HK$89,457 HKD
CA$15,835 CAD
View
B+
Retailer 3
-
HK$96,036 HKD
£9,638 GBP
View
B+
Retailer 4
-
HK$98,602 HKD
$12,567 USD
View
B+
Retailer 5
-
HK$105,130 HKD
$13,399 USD
View
B+
Retailer 6
-
HK$105,451 HKD
$13,440 USD
View
B
Retailer 7
-
HK$109,979 HKD
$14,017 USD
View
B
Retailer 8
-
HK$111,853 HKD
€13,577 EUR
View
Most Expensive
B
MOH London
0F8B4BE1C · Nov 1
HK$138,687 HKD
£13,918 GBP
View
8 more retailers have this diamond
Prices start from HK$89,457 HKDSave up to HK$49,229 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$89,457 HKD