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Round|Natural|GIA

1.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 3425008603

Certificate GIA 3425008603

Diamond specifications and retailer prices

From HK$30,926 HKD
As of November 6, 2026
Save HK$39,352 HKD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$70,277 HKD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3425008603. Listed at 16 retailers as of November 5, 2026, with prices from HK$30,926 to HK$70,277, a HK$39,352 spread on the same certified stone. NZ Jewellers lists it at HK$70,277. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3425008603
Dimensions7.29 × 7.26 × 4.54 mm
L/W Ratio1.00
Top View
7.29 mm7.26 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3425008603
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°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: Nov 6
Current: HK$70,277 HKD|Low: HK$30,722 HKD|High: HK$70,277 HKD|Avg: HK$44,304 HKD
NZ Jewellers
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
November 6, 2026
Retailer 13HK$30,926 HKD
Retailer 3HK$31,640 HKD
Retailer 11HK$32,322 HKD
Retailer 5HK$35,429 HKD
Retailer 14HK$35,460 HKD
Retailer 4HK$38,065 HKD
Retailer 15HK$38,065 HKD
Retailer 6HK$40,105 HKD
Retailer 9HK$40,324 HKD
Retailer 12HK$43,266 HKD
Retailer 7HK$43,925 HKD
Retailer 2HK$45,753 HKD
Retailer 8HK$51,268 HKD
Retailer 10HK$66,739 HKD
NZ JewellersHK$70,277 HKD

38 data points across 15 retailers

16 retailersHK$30,926 HKD to HK$70,277 HKD

B+
Cheapest Retailer
-
HK$30,926 HKD
B+
Retailer 2
-
HK$31,640 HKD
View
A
Retailer 3
-
HK$32,322 HKD
View
B+
Retailer 4
-
HK$35,429 HKD
View
B+
Retailer 5
-
HK$35,460 HKD
View
B+
Retailer 6
-
HK$38,065 HKD
View
B+
Retailer 7
-
HK$38,065 HKD
View
B
Retailer 8
-
HK$40,105 HKD
View
B+
Retailer 9
-
HK$40,324 HKD
View
B+
Retailer 10
-
HK$43,266 HKD
View
B
Retailer 11
-
HK$43,925 HKD
View
B+
Retailer 12
-
HK$45,753 HKD
View
Retailer 13
-
HK$47,056 HKD
View
Price last confirmed 14 days ago
B
Retailer 14
-
HK$51,268 HKD
View
B
Retailer 15
-
HK$66,739 HKD
View
Most Expensive
B
NZ Jewellers
d005f766-8512-42a3-90e3-1ed707413889 · Nov 5
HK$70,277 HKD
$8,958 USD
View
15 more retailers have this diamond
Prices start from HK$30,926 HKDSave up to HK$39,352 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$30,926 HKD