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Marquise|Natural|GIA

1.50ct E SI1 Marquise Natural Diamond

ID • E/SI1 • GIA 2556989894

Certificate GIA 2556989894

Diamond specifications and retailer prices

From HK$55,235 HKD
£5,543 GBP
As of October 31, 2026
Save HK$51,051 HKD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$106,286 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 2556989894. Listed at 9 retailers as of October 30, 2026, with prices from HK$55,235 to HK$106,286, a HK$51,051 spread on the same certified stone. NZ Jewellers lists it at HK$106,286. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle41.77°
Pavilion angle40.99°
OriginNatural
Grading LabGIA
CertificateGIA 2556989894
Dimensions10.49 × 5.87 × 4.02 mm
L/W Ratio1.79
Girdle conditionExtremely Thick
Key to symbols
Crystal, Needle, Indented Natural, Natural
Top View
10.49 mm5.87 mm1.50 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2556989894
Side View
Table 56.0%Crown 41.77°Girdle: MED-ETKPavilion 40.99°Culet: NoneDepth 68.5%

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: Oct 31
Current: HK$106,286 HKD|Low: HK$54,900 HKD|High: HK$112,350 HKD|Avg: HK$73,092 HKD|-5.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 3HK$55,235 HKD
Retailer 2HK$56,881 HKD
Retailer 8HK$56,881 HKD
Retailer 4HK$59,635 HKD
Retailer 9HK$62,629 HKD
Retailer 6HK$63,542 HKD
Retailer 5HK$64,523 HKD
Retailer 7HK$89,039 HKD
NZ JewellersHK$106,286 HKD

40 data points across 9 retailers

9 retailersHK$55,235 HKD to HK$106,286 HKD

A
Cheapest Retailer
-
HK$55,235 HKD
£5,543 GBP
A
Retailer 2
-
HK$56,881 HKD
$7,250 USD
View
A
Retailer 3
-
HK$56,881 HKD
$7,250 USD
View
A
Retailer 4
-
HK$59,635 HKD
£5,985 GBP
View
Retailer 5
-
HK$62,629 HKD
A$12,281 AUD
View
Price last confirmed 9 days ago
A
Retailer 6
-
HK$63,542 HKD
$8,099 USD
View
A
Retailer 7
-
HK$64,523 HKD
$8,224 USD
View
B+
Retailer 8
-
HK$89,039 HKD
£8,936 GBP
View
Most Expensive
B
NZ Jewellers
29e4c08f-86f9-410e-ae17-cd1c8a797e97 · Oct 30
HK$106,286 HKD
$13,547 USD
View
8 more retailers have this diamond
Prices start from HK$55,235 HKDSave up to HK$51,051 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$55,235 HKD