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Round|Natural|GIA

1.50ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6452477908

Certificate GIA 6452477908

Diamond specifications and retailer prices

From HK$41,225 HKD
As of November 6, 2026
Save HK$50,955 HKD (55%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$92,180 HKD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6452477908. Listed at 23 retailers as of November 5, 2026, with prices from HK$41,225 to HK$92,180, a HK$50,955 spread on the same certified stone. Diamond Quarter lists it at HK$92,180. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6452477908
Dimensions7.33 × 7.28 × 4.51 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.33 mm7.28 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6452477908
Side View
Table 62.0%Crown 33°Girdle: ThickPavilion 41.6°Culet: NoneDepth 61.7%

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$60,042 HKD|Low: HK$41,225 HKD|High: HK$92,105 HKD|Avg: HK$57,604 HKD|+1.7%
Retailer 1
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
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 15HK$41,225 HKD
Retailer 4HK$43,662 HKD
Retailer 9HK$46,045 HKD
Retailer 6HK$46,397 HKD
Retailer 16HK$49,140 HKD
Retailer 2HK$49,893 HKD
Retailer 8HK$49,893 HKD
Retailer 17HK$49,893 HKD
Retailer 12HK$51,946 HKD
Retailer 3HK$53,451 HKD
Retailer 5HK$57,566 HKD
Retailer 10HK$59,329 HKD
Retailer 1HK$60,042 HKD
Retailer 11HK$60,693 HKD
Retailer 18HK$60,693 HKD
Retailer 13HK$67,190 HKD
Retailer 14HK$80,921 HKD
Retailer 7HK$92,105 HKD

34 data points across 18 retailers

23 retailersHK$41,225 HKD to HK$92,180 HKD

A
Cheapest Retailer
-
HK$41,225 HKD
Retailer 2
-
HK$42,855 HKD
View
Price last confirmed 82 days ago
B+
Retailer 3
-
HK$43,513 HKD
View
B+
Retailer 4
-
HK$43,662 HKD
View
B+
Retailer 5
-
HK$46,045 HKD
View
Final sale: no returns
B+
Retailer 6
-
HK$46,397 HKD
View
B+
Retailer 7
-
HK$49,140 HKD
View
B+
Retailer 8
-
HK$49,893 HKD
View
Retailer 9
-
HK$49,893 HKD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
HK$49,893 HKD
View
B+
Retailer 11
-
HK$51,946 HKD
View
Retailer 12
-
HK$53,451 HKD
View
Price last confirmed 15 days ago
B+
Retailer 13
-
HK$54,752 HKD
View
B
Retailer 14
-
HK$56,343 HKD
View
B
Retailer 15
-
HK$57,566 HKD
View
B+
Retailer 16
-
HK$59,329 HKD
View
B+
Retailer 17
-
HK$60,042 HKD
View
Retailer 18
-
HK$60,693 HKD
View
Price last confirmed 14 days ago
B+
Retailer 19
-
HK$60,693 HKD
View
B
Retailer 20
-
HK$67,190 HKD
View
B
Retailer 21
-
HK$80,921 HKD
View
B
Retailer 22
-
HK$92,105 HKD
View
Most Expensive
B
Diamond Quarter
1.5SI1H6408683CN · Nov 5
HK$92,180 HKD
£9,261 GBP
View
22 more retailers have this diamond
Prices start from HK$41,225 HKDSave up to HK$50,955 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 Round
HK$41,225 HKD