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Round|Natural|GIA

1.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2554462236

Certificate GIA 2554462236

Diamond specifications and retailer prices

From HK$37,737 HKD
As of November 1, 2026
Save HK$46,107 HKD (55%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: HK$83,845 HKD at NZ Jewellers · As of November 2, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554462236. Listed at 27 retailers as of November 1, 2026, with prices from HK$37,737 to HK$83,845, a HK$46,107 spread on the same certified stone. NZ Jewellers lists it at HK$83,845. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2554462236
Dimensions7.28 × 7.25 × 4.56 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.28 mm7.25 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554462236
Side View
Table 57.0%Crown 36°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 62.8%

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 1
Current: HK$83,845 HKD|Low: HK$37,737 HKD|High: HK$83,845 HKD|Avg: HK$49,095 HKD|+3.9%
NZ Jewellers
Retailer 2
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Retailer 27
November 5, 2026
Retailer 3HK$37,737 HKD
Retailer 6HK$38,262 HKD
Retailer 7HK$38,505 HKD
Retailer 12HK$39,602 HKD
Retailer 26HK$39,626 HKD
Retailer 8HK$40,120 HKD
Retailer 14HK$41,914 HKD
Retailer 27HK$42,400 HKD
Retailer 18HK$43,850 HKD
Retailer 15HK$44,532 HKD
Retailer 9HK$44,830 HKD
Retailer 4HK$45,418 HKD
Retailer 5HK$45,418 HKD
Retailer 10HK$45,418 HKD
Retailer 16HK$45,951 HKD
Retailer 25HK$46,233 HKD
Retailer 21HK$47,769 HKD
Retailer 19HK$47,988 HKD
Retailer 17HK$49,673 HKD
Retailer 20HK$49,924 HKD
Retailer 22HK$51,554 HKD
Retailer 11HK$52,401 HKD
Retailer 2HK$53,428 HKD
Retailer 24HK$61,594 HKD
Retailer 13HK$72,645 HKD
Retailer 23HK$73,852 HKD
NZ JewellersHK$83,845 HKD

31 data points across 27 retailers

27 retailersHK$37,737 HKD to HK$83,845 HKD

A
Cheapest Retailer
-
HK$37,737 HKD
A
Retailer 2
-
HK$38,262 HKD
View
A
Retailer 3
-
HK$38,505 HKD
View
A
Retailer 4
-
HK$39,602 HKD
View
A
Retailer 5
-
HK$39,626 HKD
View
A
Retailer 6
-
HK$40,120 HKD
View
A
Retailer 7
-
HK$41,209 HKD
View
A
Retailer 8
-
HK$42,400 HKD
View
B+
Retailer 9
-
HK$43,850 HKD
View
B+
Retailer 10
-
HK$44,532 HKD
View
B+
Retailer 11
-
HK$44,830 HKD
View
B+
Retailer 12
-
HK$45,418 HKD
View
B+
Retailer 13
-
HK$45,418 HKD
View
Retailer 14
-
HK$45,418 HKD
View
Price last confirmed 8 days ago
Retailer 15
-
HK$45,951 HKD
View
Price last confirmed 22 days ago
B+
Retailer 16
-
HK$46,233 HKD
View
B+
Retailer 17
-
HK$47,769 HKD
View
Retailer 18
-
HK$47,988 HKD
View
Price last confirmed 34 days ago
B+
Retailer 19
-
HK$49,673 HKD
View
Retailer 20
-
HK$49,924 HKD
View
Price last confirmed 31 days ago
B+
Retailer 21
-
HK$51,554 HKD
View
B+
Retailer 22
-
HK$52,401 HKD
View
B+
Retailer 23
-
HK$53,428 HKD
View
B+
Retailer 24
-
HK$61,594 HKD
View
B
Retailer 25
-
HK$72,645 HKD
View
B
Retailer 26
-
HK$73,852 HKD
View
Most Expensive
B
NZ Jewellers
567a0f31-d2f5-4f2a-9708-cf85a34a9260 · Nov 2
HK$83,845 HKD
$10,698 USD
View
26 more retailers have this diamond
Prices start from HK$37,737 HKDSave up to HK$46,107 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$37,737 HKD