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Round|Natural|GIA

1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6502356237

Certificate GIA 6502356237

Diamond specifications and retailer prices

From HK$37,300 HKD
$4,754 USD
As of November 1, 2026
Save HK$41,655 HKD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$78,955 HKD at NZ Jewellers · As of November 2, 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 6502356237. Listed at 16 retailers as of November 1, 2026, with prices from HK$37,300 to HK$78,955, a HK$41,655 spread on the same certified stone. NZ Jewellers lists it at HK$78,955. 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
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6502356237
Dimensions7.32 × 7.28 × 4.55 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.32 mm7.28 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6502356237
Side View
Table 58.0%Crown 36°Girdle: ThickPavilion 40.8°Culet: NoneDepth 62.3%

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: Nov 1
Current: HK$78,955 HKD|Low: HK$37,300 HKD|High: HK$78,955 HKD|Avg: HK$51,312 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
November 1, 2026
Retailer 11HK$37,300 HKD
Retailer 9HK$37,661 HKD
Retailer 10HK$39,811 HKD
Retailer 4HK$42,769 HKD
Retailer 13HK$42,769 HKD
Retailer 14HK$42,769 HKD
Retailer 8HK$45,746 HKD
Retailer 3HK$49,352 HKD
Retailer 2HK$51,350 HKD
Retailer 5HK$52,067 HKD
Retailer 6HK$56,282 HKD
Retailer 12HK$61,826 HKD
Retailer 7HK$69,553 HKD
NZ JewellersHK$78,955 HKD

40 data points across 14 retailers

16 retailersHK$37,300 HKD to HK$78,955 HKD

B+
Cheapest Retailer
-
HK$37,300 HKD
$4,754 USD
B+
Retailer 2
-
HK$37,661 HKD
$4,800 USD
View
B+
Retailer 3
-
HK$39,811 HKD
$5,074 USD
View
B
Retailer 4
-
HK$42,769 HKD
$5,451 USD
View
B
Retailer 5
-
HK$42,769 HKD
$5,451 USD
View
B
Retailer 6
-
HK$42,769 HKD
$5,451 USD
View
B+
Retailer 7
-
HK$45,746 HKD
£4,591 GBP
View
B
Retailer 8
-
HK$47,783 HKD
$6,090 USD
View
B
Retailer 9
-
HK$47,783 HKD
$6,090 USD
View
B
Retailer 10
-
HK$49,352 HKD
$6,290 USD
View
B
Retailer 11
-
HK$49,352 HKD
$6,290 USD
View
B
Retailer 12
-
HK$51,350 HKD
€6,233 EUR
View
Retailer 13
-
HK$52,067 HKD
$6,636 USD
View
Price last confirmed 10 days ago
Retailer 14
-
HK$61,826 HKD
£6,205 GBP
View
Price last confirmed 33 days ago
B
Retailer 15
-
HK$69,553 HKD
£6,980 GBP
View
Most Expensive
B
NZ Jewellers
8f2ff27a-77b1-4959-9a1b-fd8fa3d5c856 · Nov 2
HK$78,955 HKD
$10,063 USD
View
15 more retailers have this diamond
Prices start from HK$37,300 HKDSave up to HK$41,655 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$37,300 HKD