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Marquise|Natural|GIA

1.50ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 2556380273

Certificate GIA 2556380273

Diamond specifications and retailer prices

From HK$51,384 HKD
$6,549 USD
As of October 30, 2026
Save HK$39,732 HKD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$91,116 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556380273. Listed at 14 retailers as of October 29, 2026, with prices from HK$51,384 to HK$91,116, a HK$39,732 spread on the same certified stone. MOH London lists it at HK$91,116. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2556380273
Dimensions11.18 × 5.86 × 3.78 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Top View
11.18 mm5.86 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2556380273
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.6%

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$91,116 HKD|Low: HK$49,846 HKD|High: HK$91,724 HKD|Avg: HK$62,598 HKD|-0.7%
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
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 18HK$51,384 HKD
Retailer 8HK$51,753 HKD
Retailer 10HK$52,883 HKD
Retailer 9HK$53,537 HKD
Retailer 4HK$54,381 HKD
Retailer 17HK$54,381 HKD
Retailer 3HK$54,836 HKD
Retailer 5HK$59,819 HKD
Retailer 11HK$61,373 HKD
Retailer 2HK$63,627 HKD
Retailer 13HK$65,044 HKD
Retailer 15HK$65,044 HKD
Retailer 14HK$67,163 HKD
Retailer 6HK$67,373 HKD
Retailer 16HK$67,979 HKD
Retailer 12HK$70,949 HKD
Retailer 7HK$71,627 HKD
MOH LondonHK$91,116 HKD

23 data points across 18 retailers

14 retailersHK$51,384 HKD to HK$91,116 HKD

B+
Cheapest Retailer
-
HK$51,384 HKD
$6,549 USD
B+
Retailer 2
-
HK$54,381 HKD
$6,931 USD
View
Final sale: no returns
Retailer 3
-
HK$54,381 HKD
$6,931 USD
View
Price last confirmed 21 days ago
B+
Retailer 4
-
HK$54,836 HKD
$6,989 USD
View
B+
Retailer 5
-
HK$59,819 HKD
$7,624 USD
View
B+
Retailer 6
-
HK$61,373 HKD
£6,159 GBP
View
B+
Retailer 7
-
HK$63,627 HKD
£6,385 GBP
View
B
Retailer 8
-
HK$65,044 HKD
$8,290 USD
View
B
Retailer 9
-
HK$65,044 HKD
$8,290 USD
View
B
Retailer 10
-
HK$67,163 HKD
$8,560 USD
View
B
Retailer 11
-
HK$67,979 HKD
$8,664 USD
View
B
Retailer 12
-
HK$70,949 HKD
€8,612 EUR
View
Retailer 13
-
HK$71,627 HKD
$9,129 USD
View
Price last confirmed 19 days ago
Most Expensive
B
MOH London
1FA2D8523 · Oct 29
HK$91,116 HKD
£9,144 GBP
View
13 more retailers have this diamond
Prices start from HK$51,384 HKDSave up to HK$39,732 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$51,384 HKD