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Marquise|Natural|GIA

1.50ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 7556372547

Certificate GIA 7556372547

Diamond specifications and retailer prices

From HK$67,739 HKD
As of November 6, 2026
Save HK$18,167 HKD (21%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$85,906 HKD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded D 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 7556372547. Listed at 8 retailers as of November 5, 2026, with prices from HK$67,739 to HK$85,906, a HK$18,167 spread on the same certified stone. Blue Nile lists it at HK$85,906. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7556372547
Dimensions11.44 × 5.93 × 3.75 mm
L/W Ratio1.93
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Twinning Wisp, Needle
Top View
11.44 mm5.93 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 7556372547
Side View
Table 61.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$85,906 HKD|Low: HK$65,748 HKD|High: HK$88,727 HKD|Avg: HK$75,759 HKD|-3.2%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 3HK$67,739 HKD
Retailer 4HK$68,648 HKD
Retailer 2HK$73,013 HKD
Retailer 5HK$73,530 HKD
Retailer 6HK$76,665 HKD
Retailer 7HK$78,852 HKD
Blue NileHK$85,906 HKD

46 data points across 7 retailers

8 retailersHK$67,739 HKD to HK$85,906 HKD

A
Cheapest Retailer
-
HK$67,739 HKD
A
Retailer 2
-
HK$68,648 HKD
View
A
Retailer 3
-
HK$73,013 HKD
View
B+
Retailer 4
-
HK$73,530 HKD
View
B+
Retailer 5
-
HK$76,665 HKD
View
Final sale: no returns
B+
Retailer 6
-
HK$78,852 HKD
View
B+
Retailer 7
-
HK$80,749 HKD
View
Most Expensive
B+
Blue Nile
29351770 · Nov 5
HK$85,906 HKD
$10,961 USD
View
7 more retailers have this diamond
Prices start from HK$67,739 HKDSave up to HK$18,167 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.

A
1.50ct Marquise
HK$67,739 HKD