Marquise|Natural|GIA

1.50ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 2557644890

Certificate GIA 2557644890

Diamond specifications and retailer prices

From HK$50,669 HKD
As of November 6, 2026
Save HK$13,051 HKD (20%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$63,720 HKD at GemTrove · As of November 6, 2026
View at GemTrove

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 2557644890. Listed at 6 retailers as of November 6, 2026, with prices from HK$50,669 to HK$63,720, a HK$13,051 spread on the same certified stone. GemTrove lists it at HK$63,720. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557644890
Dimensions11.11 × 5.86 × 3.77 mm
L/W Ratio1.90
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Indented Natural
Top View
11.11 mm5.86 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557644890
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.3%

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$50,669 HKD|Low: HK$48,451 HKD|High: HK$59,823 HKD|Avg: HK$54,554 HKD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1HK$50,669 HKD
Retailer 3HK$52,887 HKD
Retailer 4HK$55,026 HKD
Retailer 2HK$56,108 HKD
Retailer 5HK$57,260 HKD

46 data points across 5 retailers

6 retailersHK$50,669 HKD to HK$63,720 HKD

A
Cheapest Retailer
-
HK$50,669 HKD
A
Retailer 2
-
HK$52,887 HKD
View
A
Retailer 3
-
HK$55,026 HKD
View
A
Retailer 4
-
HK$56,108 HKD
View
B+
Retailer 5
-
HK$57,260 HKD
View
Final sale: no returns
Most Expensive
B+
GemTrove
GT-N-01274160-98 · Nov 6
HK$63,720 HKD
A$12,508 AUD
View
5 more retailers have this diamond
Prices start from HK$50,669 HKDSave up to HK$13,051 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$50,669 HKD