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Round|Natural|GIA

1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1246015618

Certificate GIA 1246015618

Diamond specifications and retailer prices

From HK$29,025 HKD
$3,700 USD
As of October 30, 2026
Save HK$44,717 HKD (61%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$73,742 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 1246015618. Listed at 17 retailers as of October 30, 2026, with prices from HK$29,025 to HK$73,742, a HK$44,717 spread on the same certified stone. NZ Jewellers lists it at HK$73,742. 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
FluorescenceStrong
Crown angle36.5°
OriginNatural
Grading LabGIA
CertificateGIA 1246015618
Dimensions7.27 × 7.31 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.27 mm7.31 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1246015618
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilionCulet: NoneDepth 62.5%

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: Oct 30
Current: HK$73,742 HKD|Low: HK$29,025 HKD|High: HK$73,742 HKD|Avg: HK$44,258 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
Retailer 16
Retailer 17
November 1, 2026
Retailer 4HK$29,025 HKD
Retailer 5HK$34,835 HKD
Retailer 12HK$35,345 HKD
Retailer 6HK$36,004 HKD
Retailer 14HK$37,447 HKD
Retailer 15HK$38,193 HKD
Retailer 8HK$39,942 HKD
Retailer 13HK$39,942 HKD
Retailer 16HK$39,942 HKD
Retailer 3HK$42,084 HKD
Retailer 10HK$42,734 HKD
Retailer 9HK$46,093 HKD
Retailer 7HK$48,643 HKD
Retailer 2HK$49,683 HKD
Retailer 17HK$49,781 HKD
Retailer 11HK$70,605 HKD
NZ JewellersHK$73,742 HKD

19 data points across 17 retailers

17 retailersHK$29,025 HKD to HK$73,742 HKD

A
Cheapest Retailer
-
HK$29,025 HKD
$3,700 USD
B+
Retailer 2
-
HK$34,835 HKD
$4,440 USD
View
B+
Retailer 3
-
HK$35,345 HKD
$4,505 USD
View
B+
Retailer 4
-
HK$36,004 HKD
$4,589 USD
View
B+
Retailer 5
-
HK$37,447 HKD
CA$6,629 CAD
View
B+
Retailer 6
-
HK$38,193 HKD
$4,868 USD
View
B
Retailer 7
-
HK$39,942 HKD
$5,091 USD
View
B
Retailer 8
-
HK$39,942 HKD
$5,091 USD
View
B
Retailer 9
-
HK$39,942 HKD
$5,091 USD
View
B
Retailer 10
-
HK$42,084 HKD
$5,364 USD
View
B
Retailer 11
-
HK$42,734 HKD
£4,289 GBP
View
B
Retailer 12
-
HK$46,093 HKD
$5,875 USD
View
Retailer 13
-
HK$48,643 HKD
$6,200 USD
View
Price last confirmed 18 days ago
B
Retailer 14
-
HK$49,683 HKD
€6,031 EUR
View
B
Retailer 15
-
HK$49,781 HKD
$6,345 USD
View
B
Retailer 16
-
HK$70,605 HKD
£7,086 GBP
View
Most Expensive
C
NZ Jewellers
539454d3-ef7b-4ddb-ab23-0a64fd815bbf · Oct 30
HK$73,742 HKD
$9,399 USD
View
16 more retailers have this diamond
Prices start from HK$29,025 HKDSave up to HK$44,717 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$29,025 HKD