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Marquise|Natural|GIA

1.50ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 6421787418

Certificate GIA 6421787418

Diamond specifications and retailer prices

From HK$57,911 HKD
As of November 6, 2026
Save HK$52,730 HKD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$110,641 HKD at NZ Jewellers · As of November 5, 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 G 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 6421787418. Listed at 14 retailers as of November 5, 2026, with prices from HK$57,911 to HK$110,641, a HK$52,730 spread on the same certified stone. NZ Jewellers lists it at HK$110,641. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6421787418
Dimensions10.83 × 6.18 × 3.79 mm
L/W Ratio1.75
Top View
10.83 mm6.18 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6421787418
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: Very SmallDepth 61.2%

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$110,641 HKD|Low: HK$57,911 HKD|High: HK$110,641 HKD|Avg: HK$81,223 HKD
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
Retailer 15
November 6, 2026
Retailer 4HK$57,911 HKD
Retailer 14HK$62,158 HKD
Retailer 3HK$66,383 HKD
Retailer 13HK$66,383 HKD
Retailer 9HK$66,939 HKD
Retailer 6HK$70,756 HKD
Retailer 8HK$71,689 HKD
Retailer 12HK$71,916 HKD
Retailer 11HK$73,021 HKD
Retailer 15HK$82,982 HKD
Retailer 2HK$83,170 HKD
Retailer 5HK$87,395 HKD
Retailer 7HK$96,596 HKD
Retailer 10HK$103,391 HKD
NZ JewellersHK$110,641 HKD

37 data points across 15 retailers

14 retailersHK$57,911 HKD to HK$110,641 HKD

A
Cheapest Retailer
-
HK$57,911 HKD
A
Retailer 2
-
HK$62,158 HKD
View
B+
Retailer 3
-
HK$66,383 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$66,939 HKD
View
B+
Retailer 5
-
HK$70,756 HKD
View
B+
Retailer 6
-
HK$71,689 HKD
View
B+
Retailer 7
-
HK$71,916 HKD
View
B+
Retailer 8
-
HK$73,021 HKD
View
B
Retailer 9
-
HK$82,982 HKD
View
Retailer 10
-
HK$82,982 HKD
View
Price last confirmed 46 days ago
B+
Retailer 11
-
HK$83,170 HKD
View
Retailer 12
-
HK$87,395 HKD
View
Price last confirmed 32 days ago
B
Retailer 13
-
HK$103,391 HKD
View
Most Expensive
B
NZ Jewellers
2c005af1-3789-47d6-b397-86e7dec1092e · Nov 5
HK$110,641 HKD
$14,117 USD
View
13 more retailers have this diamond
Prices start from HK$57,911 HKDSave up to HK$52,730 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$57,911 HKD