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Round|Natural|GIA

1.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1234

Certificate GIA 1234

Diamond specifications and retailer prices

From HK$43,604 HKD
As of November 5, 2026
Save HK$11,030 HKD (20%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$54,634 HKD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 5 retailers as of November 5, 2026, with prices from HK$43,604 to HK$54,634, a HK$11,030 spread on the same certified stone. Blue Nile lists it at HK$54,634. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1234
Dimensions7.28 × 7.33 × 4.57 mm
L/W Ratio1.01
Top View
7.28 mm7.33 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1234
Side View
Table 54.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$54,634 HKD|Low: HK$35,217 HKD|High: HK$60,486 HKD|Avg: HK$49,611 HKD|-7.4%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7HK$35,217 HKD
Retailer 4HK$43,604 HKD
Retailer 3HK$45,620 HKD
Retailer 5HK$47,620 HKD
Retailer 2HK$48,374 HKD
Blue NileHK$54,634 HKD
Retailer 6HK$60,486 HKD

40 data points across 7 retailers

5 retailersHK$43,604 HKD to HK$54,634 HKD

A
Cheapest Retailer
-
HK$43,604 HKD
A
Retailer 2
-
HK$45,620 HKD
View
A
Retailer 3
-
HK$47,620 HKD
View
A
Retailer 4
-
HK$48,374 HKD
View
Most Expensive
A
Blue Nile
30153722 · Nov 5
HK$54,634 HKD
$6,964 USD
View
4 more retailers have this diamond
Prices start from HK$43,604 HKDSave up to HK$11,030 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$43,604 HKD