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Round|Natural|GIA

1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1415840386

Certificate GIA 1415840386

Diamond specifications and retailer prices

From HK$43,073 HKD
$5,490 USD
As of November 1, 2026
Save HK$51,837 HKD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$94,909 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 1415840386. Listed at 19 retailers as of October 30, 2026, with prices from HK$43,073 to HK$94,909, a HK$51,837 spread on the same certified stone. NZ Jewellers lists it at HK$94,909. 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
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1415840386
Dimensions7.35 × 7.34 × 4.49 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.35 mm7.34 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1415840386
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.2%

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$94,909 HKD|Low: HK$42,751 HKD|High: HK$98,597 HKD|Avg: HK$59,398 HKD|-3.7%
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 12HK$43,073 HKD
Retailer 16HK$43,583 HKD
Retailer 4HK$44,830 HKD
Retailer 5HK$47,451 HKD
Retailer 14HK$47,459 HKD
Retailer 17HK$50,612 HKD
Retailer 8HK$51,413 HKD
Retailer 15HK$52,205 HKD
Retailer 11HK$54,056 HKD
Retailer 6HK$56,411 HKD
Retailer 13HK$56,411 HKD
Retailer 7HK$58,294 HKD
Retailer 2HK$58,391 HKD
Retailer 9HK$59,321 HKD
Retailer 3HK$62,538 HKD
Retailer 10HK$79,085 HKD
NZ JewellersHK$94,909 HKD

40 data points across 17 retailers

19 retailersHK$43,073 HKD to HK$94,909 HKD

B+
Cheapest Retailer
-
HK$43,073 HKD
$5,490 USD
B+
Retailer 2
-
HK$43,583 HKD
$5,555 USD
View
B+
Retailer 3
-
HK$44,830 HKD
$5,714 USD
View
B
Retailer 4
-
HK$46,564 HKD
A$9,131 AUD
View
Retailer 5
-
HK$47,019 HKD
$5,993 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
HK$47,451 HKD
$6,048 USD
View
Final sale: no returns
B
Retailer 7
-
HK$47,459 HKD
$6,049 USD
View
B
Retailer 8
-
HK$50,612 HKD
$6,451 USD
View
B
Retailer 9
-
HK$51,413 HKD
$6,553 USD
View
B
Retailer 10
-
HK$52,205 HKD
$6,654 USD
View
B
Retailer 11
-
HK$54,056 HKD
£5,425 GBP
View
B
Retailer 12
-
HK$56,411 HKD
$7,190 USD
View
B
Retailer 13
-
HK$56,411 HKD
$7,190 USD
View
B
Retailer 14
-
HK$58,294 HKD
$7,430 USD
View
B
Retailer 15
-
HK$58,391 HKD
€7,088 EUR
View
B
Retailer 16
-
HK$59,321 HKD
$7,561 USD
View
Retailer 17
-
HK$62,538 HKD
$7,971 USD
View
Price last confirmed 9 days ago
B
Retailer 18
-
HK$79,085 HKD
£7,937 GBP
View
Most Expensive
B
NZ Jewellers
a0390c18-3dae-4db9-8e16-bdab1875caac · Oct 30
HK$94,909 HKD
$12,097 USD
View
18 more retailers have this diamond
Prices start from HK$43,073 HKDSave up to HK$51,837 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$43,073 HKD