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Round|Natural|GIA

1.50ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 5516507747

Certificate GIA 5516507747

Diamond specifications and retailer prices

From HK$21,237 HKD
As of November 5, 2026
Save HK$28,345 HKD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$49,582 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5516507747. Listed at 13 retailers as of November 5, 2026, with prices from HK$21,237 to HK$49,582, a HK$28,345 spread on the same certified stone. NZ Jewellers lists it at HK$49,582. 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
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5516507747
Dimensions7.26 × 7.29 × 4.48 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
7.26 mm7.29 mm1.50 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5516507747
Side View
Table 60.0%Crown 35°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.6%

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 5
Current: HK$49,582 HKD|Low: HK$14,498 HKD|High: HK$49,582 HKD|Avg: HK$25,819 HKD|+19.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7HK$18,146 HKD
Retailer 10HK$21,237 HKD
Retailer 6HK$21,888 HKD
Retailer 9HK$21,888 HKD
Retailer 3HK$23,716 HKD
Retailer 11HK$23,716 HKD
Retailer 8HK$24,626 HKD
Retailer 12HK$24,830 HKD
Retailer 4HK$27,364 HKD
Retailer 5HK$27,552 HKD
Retailer 2HK$31,302 HKD
NZ JewellersHK$49,582 HKD

41 data points across 12 retailers

13 retailersHK$21,237 HKD to HK$49,582 HKD

Retailer 1
-
HK$18,146 HKD
Price last confirmed 9 days ago
B+
Retailer 2
-
HK$21,237 HKD
View
B+
Retailer 3
-
HK$21,888 HKD
View
B+
Retailer 4
-
HK$21,888 HKD
View
Final sale: no returns
Retailer 5
-
HK$22,155 HKD
View
Price last confirmed 68 days ago
B+
Retailer 6
-
HK$23,716 HKD
View
Retailer 7
-
HK$23,716 HKD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
HK$24,626 HKD
View
B+
Retailer 9
-
HK$24,830 HKD
View
B
Retailer 10
-
HK$27,364 HKD
View
B
Retailer 11
-
HK$27,552 HKD
View
B
Retailer 12
-
HK$31,302 HKD
View
Most Expensive
C
NZ Jewellers
46d3eabe-5e72-44fe-9fa0-2accdc5cbdc9 · Nov 5
HK$49,582 HKD
$6,320 USD
View
12 more retailers have this diamond
Prices start from HK$21,237 HKDSave up to HK$28,345 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 Round
HK$21,237 HKD