Round|Natural|GIA

1.50ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 1515431729

Certificate GIA 1515431729

Diamond specifications and retailer prices

From HK$45,296 HKD
As of October 29, 2026
Save HK$75,270 HKD (62%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$120,566 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 1515431729. Listed at 24 retailers as of October 29, 2026, with prices from HK$45,296 to HK$120,566, a HK$75,270 spread on the same certified stone. Diamond Quarter lists it at HK$120,566. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 1515431729
Dimensions7.16 × 7.08 × 4.56 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Girdle conditionFaceted
Top View
7.16 mm7.08 mm1.50 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1515431729
Side View
Table 55.0%Crown 38.5°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 64.4%

Caratlytics Score

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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: Oct 29
Current: HK$63,228 HKD|Low: HK$44,583 HKD|High: HK$102,223 HKD|Avg: HK$59,955 HKD|-0.9%
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
Retailer 19
Retailer 20
Retailer 21
October 29, 2026
Retailer 6HK$45,296 HKD
Retailer 7HK$46,137 HKD
Retailer 9HK$47,526 HKD
Retailer 15HK$48,287 HKD
Retailer 8HK$51,111 HKD
Retailer 10HK$51,111 HKD
Retailer 4HK$51,276 HKD
Retailer 3HK$55,372 HKD
Retailer 5HK$56,219 HKD
Retailer 17HK$56,885 HKD
Retailer 2HK$58,534 HKD
Retailer 21HK$58,534 HKD
Retailer 14HK$59,278 HKD
Retailer 16HK$60,496 HKD
Retailer 1HK$63,228 HKD
Retailer 13HK$63,323 HKD
Retailer 19HK$63,893 HKD
Retailer 18HK$67,981 HKD
Retailer 20HK$74,426 HKD
Retailer 12HK$85,639 HKD
Retailer 11HK$102,223 HKD

32 data points across 21 retailers

24 retailersHK$45,296 HKD to HK$120,566 HKD

A
Retailer 1
-
HK$44,089 HKD
$5,619 USD
Price last confirmed 7 days ago
A
Retailer 2
-
HK$45,296 HKD
View
A
Retailer 3
-
HK$46,137 HKD
$5,880 USD
View
A
Retailer 4
-
HK$47,526 HKD
$6,057 USD
View
A
Retailer 5
-
HK$48,287 HKD
$6,154 USD
View
A
Retailer 6
-
HK$51,111 HKD
$6,514 USD
View
B+
Retailer 7
-
HK$51,111 HKD
$6,514 USD
View
Final sale: no returns
A
Retailer 8
-
HK$51,276 HKD
$6,535 USD
View
A
Retailer 9
-
HK$55,372 HKD
$7,057 USD
View
A
Retailer 10
-
HK$56,219 HKD
$7,165 USD
View
A
Retailer 11
-
HK$56,885 HKD
£5,709 GBP
View
A
Retailer 12
-
HK$58,534 HKD
$7,460 USD
View
A
Retailer 13
-
HK$58,534 HKD
$7,460 USD
View
A
Retailer 14
-
HK$59,278 HKD
A$11,623 AUD
View
Price last confirmed 7 days ago
A
Retailer 15
-
HK$60,496 HKD
$7,710 USD
View
B+
Retailer 16
-
HK$63,228 HKD
£6,345 GBP
View
B+
Retailer 17
-
HK$63,323 HKD
€7,686 EUR
View
B+
Retailer 18
-
HK$63,893 HKD
$8,143 USD
View
B+
Retailer 19
-
HK$67,730 HKD
$8,632 USD
View
B+
Retailer 20
-
HK$67,981 HKD
$8,664 USD
View
B+
Retailer 21
-
HK$74,426 HKD
ZAR 153,238 ZAR
View
B+
Retailer 22
-
HK$85,639 HKD
£8,594 GBP
View
B
Retailer 23
-
HK$102,223 HKD
$13,028 USD
View
Most Expensive
B
Diamond Quarter
1.5SI1E1529E8EAN · Oct 29
HK$120,566 HKD
£12,099 GBP
View
23 more retailers have this diamond
Prices start from HK$45,296 HKDSave up to HK$75,270 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$45,296 HKD