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Round|Natural|GIA

1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6432628844

Certificate GIA 6432628844

Diamond specifications and retailer prices

From HK$31,500 HKD
$4,015 USD
As of October 30, 2026
Save HK$35,180 HKD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$66,681 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6432628844. Listed at 16 retailers as of October 30, 2026, with prices from HK$31,500 to HK$66,681, a HK$35,180 spread on the same certified stone. NZ Jewellers lists it at HK$66,681. 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

1.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6432628844
Dimensions7.34 × 7.30 × 4.58 mm
L/W Ratio1.01
Top View
7.34 mm7.30 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6432628844
Side View
Table 56.0%CrownGirdle: MED-SLIPavilionCulet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$66,681 HKD|Low: HK$31,500 HKD|High: HK$70,360 HKD|Avg: HK$44,106 HKD|-5.2%
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
Retailer 16
Retailer 17
November 1, 2026
Retailer 4HK$31,500 HKD
Retailer 3HK$32,175 HKD
Retailer 5HK$33,336 HKD
Retailer 6HK$33,619 HKD
Retailer 8HK$35,619 HKD
Retailer 17HK$35,865 HKD
Retailer 14HK$36,114 HKD
Retailer 15HK$36,114 HKD
Retailer 16HK$36,114 HKD
Retailer 11HK$39,390 HKD
Retailer 13HK$41,676 HKD
Retailer 12HK$44,922 HKD
Retailer 7HK$46,423 HKD
Retailer 9HK$51,194 HKD
Retailer 2HK$51,586 HKD
Retailer 10HK$63,501 HKD
NZ JewellersHK$66,681 HKD

24 data points across 17 retailers

16 retailersHK$31,500 HKD to HK$66,681 HKD

B+
Cheapest Retailer
-
HK$31,500 HKD
$4,015 USD
B+
Retailer 2
-
HK$32,175 HKD
$4,101 USD
View
B+
Retailer 3
-
HK$33,336 HKD
$4,249 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$33,619 HKD
$4,285 USD
View
B+
Retailer 5
-
HK$35,619 HKD
$4,540 USD
View
B+
Retailer 6
-
HK$35,865 HKD
$4,571 USD
View
B+
Retailer 7
-
HK$36,114 HKD
$4,603 USD
View
B+
Retailer 8
-
HK$36,114 HKD
$4,603 USD
View
B+
Retailer 9
-
HK$36,114 HKD
$4,603 USD
View
B+
Retailer 10
-
HK$39,390 HKD
£3,953 GBP
View
B
Retailer 11
-
HK$41,676 HKD
$5,312 USD
View
B+
Retailer 12
-
HK$44,922 HKD
€5,453 EUR
View
Retailer 13
-
HK$46,423 HKD
$5,917 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
HK$51,586 HKD
£5,177 GBP
View
B
Retailer 15
-
HK$63,501 HKD
£6,373 GBP
View
Most Expensive
B
NZ Jewellers
03625e64-819b-4461-92f3-69210ba19a8f · Oct 30
HK$66,681 HKD
$8,499 USD
View
15 more retailers have this diamond
Prices start from HK$31,500 HKDSave up to HK$35,180 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.

B+
1.51ct Round
HK$31,500 HKD