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1.51ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 713545321

Shape and cutting style on the report: Round brilliant

Certificate IGI 713545321

Diamond specifications and retailer prices

From HK$20,124 HKD
$2,565 USD
As of November 1, 2026
Save HK$26,840 HKD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$46,964 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 713545321. Listed at 20 retailers as of October 30, 2026, with prices from HK$20,124 to HK$46,964, a HK$26,840 spread on the same certified stone. NZ Jewellers lists it at HK$46,964. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.6°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 713545321
Dimensions7.30 × 7.18 × 4.59 mm
L/W Ratio1.02
Girdle conditionPARTLY FACETED
Culet sizePointed
Top View
7.30 mm7.18 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 713545321
Side View
Table 57.0%Crown 36.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
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: Nov 1
Current: HK$46,964 HKD|Low: HK$19,002 HKD|High: HK$46,964 HKD|Avg: HK$26,816 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 2, 2026
Retailer 15HK$20,124 HKD
Retailer 14HK$20,728 HKD
Retailer 5HK$20,846 HKD
Retailer 3HK$22,007 HKD
Retailer 7HK$22,462 HKD
Retailer 4HK$23,325 HKD
Retailer 2HK$24,302 HKD
Retailer 13HK$24,644 HKD
Retailer 6HK$25,922 HKD
Retailer 8HK$26,180 HKD
Retailer 12HK$26,255 HKD
Retailer 9HK$26,833 HKD
Retailer 11HK$27,613 HKD
Retailer 10HK$37,564 HKD
NZ JewellersHK$46,964 HKD

39 data points across 15 retailers

20 retailersHK$20,124 HKD to HK$46,964 HKD

A
Cheapest Retailer
-
HK$20,124 HKD
$2,565 USD
A
Retailer 2
-
HK$20,728 HKD
$2,642 USD
View
Final sale: no returns
A
Retailer 3
-
HK$20,846 HKD
$2,657 USD
View
Retailer 4
-
HK$21,411 HKD
$2,729 USD
View
Price last confirmed 84 days ago
A
Retailer 5
-
HK$22,007 HKD
$2,805 USD
View
Retailer 6
-
HK$22,462 HKD
$2,863 USD
View
Price last confirmed 37 days ago
A
Retailer 7
-
HK$22,462 HKD
$2,863 USD
View
A
Retailer 8
-
HK$23,325 HKD
$2,973 USD
View
A
Retailer 9
-
HK$23,579 HKD
$3,005 USD
View
A
Retailer 10
-
HK$24,302 HKD
£2,439 GBP
View
B+
Retailer 11
-
HK$24,644 HKD
$3,141 USD
View
B+
Retailer 12
-
HK$25,922 HKD
$3,304 USD
View
Retailer 13
-
HK$25,922 HKD
$3,304 USD
View
Price last confirmed 41 days ago
A
Retailer 14
-
HK$26,180 HKD
€3,178 EUR
View
B+
Retailer 15
-
HK$26,255 HKD
£2,635 GBP
View
A
Retailer 16
-
HK$26,833 HKD
£2,693 GBP
View
A
Retailer 17
-
HK$27,613 HKD
ZAR 56,858 ZAR
View
B+
Retailer 18
-
HK$37,564 HKD
£3,770 GBP
View
Retailer 19
-
HK$46,964 HKD
$5,986 USD
View
Price last confirmed 37 days ago
Most Expensive
B
NZ Jewellers
d4139d59-90a1-44fe-8074-bf5e2509c708 · Oct 30
HK$46,964 HKD
$5,986 USD
View
19 more retailers have this diamond
Prices start from HK$20,124 HKDSave up to HK$26,840 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$20,124 HKD