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Round|Natural|GIA

1.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 5426823638

Certificate GIA 5426823638

Diamond specifications and retailer prices

From HK$21,003 HKD
$2,677 USD
As of October 31, 2026
Save HK$63,789 HKD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$84,792 HKD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5426823638. Listed at 9 retailers as of October 26, 2026, with prices from HK$21,003 to HK$84,792, a HK$63,789 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$84,792. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5426823638
Dimensions7.31 × 7.27 × 4.55 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.31 mm7.27 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5426823638
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: Oct 31
Current: HK$43,905 HKD|Low: HK$21,003 HKD|High: HK$84,792 HKD|Avg: HK$49,828 HKD|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
October 23, 2026
Retailer 6HK$21,003 HKD
Retailer 5HK$21,811 HKD
Retailer 8HK$39,221 HKD
Retailer 3HK$40,456 HKD
Retailer 4HK$40,572 HKD
Retailer 1HK$43,905 HKD
Retailer 2HK$50,087 HKD
Retailer 7HK$53,233 HKD
Retailer 12HK$56,033 HKD
Retailer 10HK$56,960 HKD
Retailer 11HK$56,960 HKD
Retailer 9HK$58,843 HKD
Wholesale Diamonds DirectHK$84,792 HKD

9 data points across 13 retailers

9 retailersHK$21,003 HKD to HK$84,792 HKD

A
Cheapest Retailer
-
HK$21,003 HKD
$2,677 USD
A
Retailer 2
-
HK$21,811 HKD
$2,780 USD
View
Retailer 3
-
HK$39,221 HKD
$4,999 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
HK$43,905 HKD
$5,596 USD
View
B+
Retailer 5
-
HK$53,233 HKD
$6,785 USD
View
B
Retailer 6
-
HK$56,960 HKD
$7,260 USD
View
B
Retailer 7
-
HK$56,960 HKD
$7,260 USD
View
B
Retailer 8
-
HK$58,843 HKD
$7,500 USD
View
Most Expensive
B
Wholesale Diamonds Direct
581904020 · Oct 26
HK$84,792 HKD
$10,808 USD
View
8 more retailers have this diamond
Prices start from HK$21,003 HKDSave up to HK$63,789 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$21,003 HKD