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Marquise|Natural|GIA

1.50ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 2564054571

Certificate GIA 2564054571

Diamond specifications and retailer prices

From HK$42,220 HKD
As of November 6, 2026
Save HK$14,683 HKD (26%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$56,903 HKD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2564054571. Listed at 6 retailers as of November 6, 2026, with prices from HK$42,220 to HK$56,903, a HK$14,683 spread on the same certified stone. 77 Diamonds lists it at HK$56,903. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2564054571
Dimensions11.95 × 6.01 × 3.50 mm
L/W Ratio1.99
Culet sizeVery Small
Key to symbols
Twinning Wisp, Feather, Cavity, Indented Natural, Natural
Top View
11.95 mm6.01 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2564054571
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: Very SmallDepth 58.4%

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$56,903 HKD|Low: HK$42,220 HKD|High: HK$57,465 HKD|Avg: HK$49,658 HKD|+7.7%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2HK$42,220 HKD
Retailer 4HK$53,506 HKD
Retailer 3HK$55,810 HKD
77 DiamondsHK$56,903 HKD

46 data points across 4 retailers

6 retailersHK$42,220 HKD to HK$56,903 HKD

A
Cheapest Retailer
-
HK$42,220 HKD
B+
Retailer 2
-
HK$50,324 HKD
View
B+
Retailer 3
-
HK$53,169 HKD
View
B+
Retailer 4
-
HK$53,506 HKD
View
B+
Retailer 5
-
HK$55,810 HKD
View
Most Expensive
B+
77 Diamonds
MQCPDDXA4VGA · Nov 6
HK$56,903 HKD
£5,717 GBP
View
5 more retailers have this diamond
Prices start from HK$42,220 HKDSave up to HK$14,683 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$42,220 HKD