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Round|Natural|GIA

1.50ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6451465789

Certificate GIA 6451465789

Diamond specifications and retailer prices

From HK$62,844 HKD
$8,010 USD
As of October 25, 2026
Save HK$68,981 HKD (52%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$131,825 HKD at Diamond Quarter · As of October 29, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6451465789. Listed at 16 retailers as of October 25, 2026, with prices from HK$62,844 to HK$131,825, a HK$68,981 spread on the same certified stone. Diamond Quarter lists it at HK$131,825. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6451465789
Dimensions7.37 × 7.33 × 4.54 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Top View
7.37 mm7.33 mm1.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6451465789
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

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: Oct 25
Current: HK$74,270 HKD|Low: HK$57,015 HKD|High: HK$108,140 HKD|Avg: HK$78,071 HKD|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4HK$62,844 HKD
Retailer 8HK$63,378 HKD
Retailer 5HK$68,415 HKD
Retailer 6HK$74,118 HKD
Retailer 1HK$74,270 HKD
Retailer 2HK$85,387 HKD
Retailer 7HK$90,045 HKD
Retailer 3HK$107,422 HKD

42 data points across 8 retailers

16 retailersHK$62,844 HKD to HK$131,825 HKD

A
Cheapest Retailer
-
HK$62,844 HKD
$8,010 USD
A
Retailer 2
-
HK$64,052 HKD
$8,164 USD
View
B+
Retailer 3
-
HK$68,415 HKD
$8,720 USD
View
B+
Retailer 4
-
HK$68,415 HKD
$8,720 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$74,118 HKD
$9,447 USD
View
B+
Retailer 6
-
HK$74,270 HKD
£7,454 GBP
View
B+
Retailer 7
-
HK$75,256 HKD
$9,592 USD
View
B+
Retailer 8
-
HK$80,811 HKD
$10,300 USD
View
B+
Retailer 9
-
HK$80,811 HKD
$10,300 USD
View
B+
Retailer 10
-
HK$83,478 HKD
$10,640 USD
View
B+
Retailer 11
-
HK$85,387 HKD
€10,365 EUR
View
B+
Retailer 12
-
HK$85,518 HKD
$10,900 USD
View
Retailer 13
-
HK$90,045 HKD
$11,477 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
HK$107,422 HKD
£10,781 GBP
View
B
Retailer 15
-
HK$114,022 HKD
$14,533 USD
View
Most Expensive
B
Diamond Quarter
1.5SI2D648989CAN · Oct 29
HK$131,825 HKD
£13,230 GBP
View
15 more retailers have this diamond
Prices start from HK$62,844 HKDSave up to HK$68,981 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$62,844 HKD