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Round|Natural|GIA

1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2245026927

Certificate GIA 2245026927

Diamond specifications and retailer prices

From HK$24,705 HKD
As of November 1, 2026
Save HK$31,473 HKD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$61,754 HKD at NZ Jewellers · As of September 25, 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 2245026927. Listed at 16 retailers as of November 1, 2026, with a 127% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceMedium
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2245026927
Dimensions7.27 × 7.31 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.27 mm7.31 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2245026927
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 62.8%

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: Nov 1
Current: HK$28,795 HKD|Low: HK$24,303 HKD|High: HK$57,134 HKD|Avg: HK$35,416 HKD
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
November 1, 2026
Retailer 7HK$24,705 HKD
Retailer 14HK$25,569 HKD
Retailer 3HK$26,558 HKD
Retailer 2HK$26,710 HKD
Retailer 12HK$28,088 HKD
Retailer 1HK$28,795 HKD
Retailer 9HK$29,603 HKD
Retailer 5HK$30,887 HKD
Retailer 11HK$31,147 HKD
Retailer 6HK$34,521 HKD
Retailer 13HK$37,969 HKD
Retailer 8HK$42,759 HKD
Retailer 4HK$51,293 HKD
Retailer 10HK$56,177 HKD

35 data points across 14 retailers

16 retailersHK$24,705 HKD to HK$56,177 HKD

A
Cheapest Retailer
-
HK$24,705 HKD
A
Retailer 2
-
HK$25,569 HKD
$3,259 USD
View
A
Retailer 3
-
HK$26,558 HKD
$3,385 USD
View
A
Retailer 4
-
HK$26,710 HKD
$3,404 USD
View
B+
Retailer 5
-
HK$28,088 HKD
$3,580 USD
View
Final sale: no returns
A
Retailer 6
-
HK$28,795 HKD
A$5,646 AUD
View
A
Retailer 7
-
HK$29,603 HKD
$3,773 USD
View
Retailer 8
-
HK$30,887 HKD
SGD 5,320 SGD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
HK$31,147 HKD
£3,126 GBP
View
B+
Retailer 10
-
HK$33,444 HKD
A$6,558 AUD
View
Retailer 11
-
HK$34,521 HKD
$4,400 USD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
HK$37,969 HKD
€4,609 EUR
View
B
Retailer 13
-
HK$42,759 HKD
$5,450 USD
View
B
Retailer 14
-
HK$51,293 HKD
$6,538 USD
View
B
Retailer 15
-
HK$56,177 HKD
£5,638 GBP
View
Most Expensive
NZ Jewellers
2655f6ef-5654-4938-861c-cb17c05216c5 · Sep 25
HK$61,754 HKD
$7,871 USD
View
Price last confirmed 37 days ago
15 more retailers have this diamond
Prices start from HK$24,705 HKDSave up to HK$31,473 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
1.51ct Round
HK$24,705 HKD