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Round|Natural|GIA

1.71ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1428220288

Certificate GIA 1428220288

Diamond specifications and retailer prices

From HK$51,076 HKD
$6,510 USD
As of October 25, 2026
Save HK$63,048 HKD (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$114,124 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.71ct natural round diamond

This 1.71ct 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 1428220288. Listed at 18 retailers as of October 25, 2026, with prices from HK$51,076 to HK$114,124, a HK$63,048 spread on the same certified stone. NZ Jewellers lists it at HK$114,124. 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

1.71
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1428220288
Dimensions7.69 × 7.64 × 4.77 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.69 mm7.64 mm1.71 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1428220288
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.4%

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: Oct 25
Current: HK$114,124 HKD|Low: HK$51,076 HKD|High: HK$118,195 HKD|Avg: HK$71,310 HKD|-3.4%
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$51,076 HKD
Retailer 16HK$51,617 HKD
Retailer 7HK$53,429 HKD
Retailer 8HK$57,054 HKD
Retailer 14HK$57,062 HKD
Retailer 3HK$60,782 HKD
Retailer 4HK$61,816 HKD
Retailer 15HK$62,766 HKD
Retailer 2HK$63,148 HKD
Retailer 13HK$67,238 HKD
Retailer 17HK$67,238 HKD
Retailer 5HK$69,513 HKD
Retailer 10HK$70,913 HKD
Retailer 6HK$71,325 HKD
Retailer 9HK$75,146 HKD
Retailer 11HK$95,605 HKD
NZ JewellersHK$114,124 HKD

41 data points across 17 retailers

18 retailersHK$51,076 HKD to HK$114,124 HKD

B+
Cheapest Retailer
-
HK$51,076 HKD
$6,510 USD
B+
Retailer 2
-
HK$51,617 HKD
$6,579 USD
View
B
Retailer 3
-
HK$53,153 HKD
A$10,423 AUD
View
B
Retailer 4
-
HK$53,429 HKD
$6,810 USD
View
B
Retailer 5
-
HK$57,054 HKD
$7,272 USD
View
Final sale: no returns
B
Retailer 6
-
HK$57,062 HKD
$7,273 USD
View
B
Retailer 7
-
HK$60,782 HKD
$7,747 USD
View
B
Retailer 8
-
HK$61,816 HKD
$7,879 USD
View
B
Retailer 9
-
HK$62,766 HKD
$8,000 USD
View
B
Retailer 10
-
HK$63,148 HKD
£6,338 GBP
View
B
Retailer 11
-
HK$67,238 HKD
$8,570 USD
View
B
Retailer 12
-
HK$67,238 HKD
$8,570 USD
View
B
Retailer 13
-
HK$69,513 HKD
$8,860 USD
View
B
Retailer 14
-
HK$70,913 HKD
€8,608 EUR
View
B
Retailer 15
-
HK$71,325 HKD
$9,091 USD
View
Retailer 16
-
HK$75,146 HKD
$9,578 USD
View
Price last confirmed 8 days ago
B
Retailer 17
-
HK$95,605 HKD
£9,595 GBP
View
Most Expensive
B
NZ Jewellers
1f2e109e-adba-4660-8a7f-e6967a407659 · Oct 30
HK$114,124 HKD
$14,546 USD
View
17 more retailers have this diamond
Prices start from HK$51,076 HKDSave up to HK$63,048 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+
1.71ct Round
HK$51,076 HKD