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Marquise|Natural|GIA

1.51ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 2564024266

Certificate GIA 2564024266

Diamond specifications and retailer prices

From HK$73,357 HKD
$9,350 USD
As of November 1, 2026
Save HK$49,326 HKD (40%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$122,683 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct 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 2564024266. Listed at 14 retailers as of October 30, 2026, with prices from HK$73,357 to HK$122,683, a HK$49,326 spread on the same certified stone. NZ Jewellers lists it at HK$122,683. 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

1.51
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2564024266
Dimensions11.17 × 6.01 × 3.76 mm
L/W Ratio1.86
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Indented Natural, Needle
Top View
11.17 mm6.01 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564024266
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.6%

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 1
Current: HK$122,683 HKD|Low: HK$73,357 HKD|High: HK$126,386 HKD|Avg: HK$90,040 HKD|-2.9%
NZ Jewellers
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
November 2, 2026
Retailer 10HK$73,357 HKD
Retailer 7HK$74,252 HKD
Retailer 6HK$76,463 HKD
Retailer 2HK$78,672 HKD
Retailer 14HK$80,301 HKD
Retailer 8HK$81,116 HKD
Retailer 3HK$81,250 HKD
Retailer 4HK$81,250 HKD
Retailer 5HK$82,207 HKD
Retailer 9HK$86,695 HKD
Retailer 13HK$89,378 HKD
Retailer 12HK$101,563 HKD
Retailer 11HK$115,573 HKD
NZ JewellersHK$122,683 HKD

33 data points across 14 retailers

14 retailersHK$73,357 HKD to HK$122,683 HKD

A
Cheapest Retailer
-
HK$73,357 HKD
$9,350 USD
A
Retailer 2
-
HK$74,252 HKD
$9,464 USD
View
Retailer 3
-
HK$76,463 HKD
SGD 13,170 SGD
View
Price last confirmed 20 days ago
A
Retailer 4
-
HK$78,672 HKD
£7,896 GBP
View
A
Retailer 5
-
HK$80,301 HKD
$10,235 USD
View
A
Retailer 6
-
HK$81,116 HKD
£8,141 GBP
View
A
Retailer 7
-
HK$81,250 HKD
$10,356 USD
View
B+
Retailer 8
-
HK$81,250 HKD
$10,356 USD
View
Final sale: no returns
Retailer 9
-
HK$82,207 HKD
A$16,120 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
HK$86,695 HKD
$11,050 USD
View
B+
Retailer 11
-
HK$89,378 HKD
$11,392 USD
View
B+
Retailer 12
-
HK$101,563 HKD
$12,945 USD
View
B+
Retailer 13
-
HK$115,573 HKD
£11,599 GBP
View
Most Expensive
B
NZ Jewellers
8216fa2d-64ce-4c00-9af0-9c4df310cdbc · Oct 30
HK$122,683 HKD
$15,637 USD
View
13 more retailers have this diamond
Prices start from HK$73,357 HKDSave up to HK$49,326 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
1.51ct Marquise
HK$73,357 HKD