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Marquise|Natural|GIA

1.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 5543246564

Certificate GIA 5543246564

Diamond specifications and retailer prices

From HK$69,289 HKD
$8,831 USD
As of November 1, 2026
Save HK$54,052 HKD (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$123,341 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5543246564. Listed at 16 retailers as of October 30, 2026, with prices from HK$69,289 to HK$123,341, a HK$54,052 spread on the same certified stone. NZ Jewellers lists it at HK$123,341. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5543246564
Dimensions12.38 × 5.80 × 3.59 mm
L/W Ratio2.13
Top View
12.38 mm5.80 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5543246564
Side View
Table 61.0%CrownGirdle: Ext. ThickPavilionCulet: NDepth 61.9%

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 1
Current: HK$123,341 HKD|Low: HK$74,004 HKD|High: HK$123,341 HKD|Avg: HK$93,360 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8HK$74,004 HKD
Retailer 10HK$80,171 HKD
Retailer 5HK$81,003 HKD
Retailer 9HK$81,403 HKD
Retailer 3HK$81,408 HKD
Retailer 4HK$83,977 HKD
Retailer 11HK$92,506 HKD
Retailer 7HK$93,242 HKD
Retailer 6HK$108,723 HKD
Retailer 2HK$115,579 HKD
NZ JewellersHK$123,341 HKD

30 data points across 11 retailers

16 retailersHK$69,289 HKD to HK$123,341 HKD

B+
Cheapest Retailer
-
HK$69,289 HKD
$8,831 USD
B+
Retailer 2
-
HK$69,344 HKD
$8,838 USD
View
B
Retailer 3
-
HK$74,004 HKD
$9,432 USD
View
B
Retailer 4
-
HK$74,624 HKD
$9,511 USD
View
B
Retailer 5
-
HK$78,919 HKD
$10,058 USD
View
B+
Retailer 6
-
HK$80,171 HKD
$10,218 USD
View
B+
Retailer 7
-
HK$81,003 HKD
£8,129 GBP
View
B
Retailer 8
-
HK$81,403 HKD
$10,375 USD
View
Retailer 9
-
HK$81,408 HKD
A$15,962 AUD
View
Price last confirmed 9 days ago
B
Retailer 10
-
HK$83,977 HKD
£8,428 GBP
View
B
Retailer 11
-
HK$92,506 HKD
$11,790 USD
View
B
Retailer 12
-
HK$93,242 HKD
€11,318 EUR
View
Retailer 13
-
HK$97,386 HKD
$12,412 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
HK$108,723 HKD
ZAR 223,860 ZAR
View
B
Retailer 15
-
HK$115,579 HKD
£11,599 GBP
View
Most Expensive
B
NZ Jewellers
d80cf3e7-7dbd-4a31-8e40-ad03c8d18939 · Oct 30
HK$123,341 HKD
$15,720 USD
View
15 more retailers have this diamond
Prices start from HK$69,289 HKDSave up to HK$54,052 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$69,289 HKD