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1.71ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1428220288

Certificate GIA 1428220288

Diamond specifications and retailer prices

From €5,889 EUR
$6,579 USD
As of October 30, 2026
Save €7,131 EUR (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €13,020 EUR 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 30, 2026, with prices from €5,889 to €13,020, a €7,131 spread on the same certified stone. NZ Jewellers lists it at €13,020. 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
Color
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

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €13,020 EUR|Low: €5,827 EUR|High: €13,485 EUR|Avg: €8,135 EUR|-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 12€5,827 EUR
Retailer 16€5,889 EUR
Retailer 7€6,096 EUR
Retailer 8€6,509 EUR
Retailer 14€6,510 EUR
Retailer 3€6,934 EUR
Retailer 4€7,052 EUR
Retailer 15€7,161 EUR
Retailer 11€7,204 EUR
Retailer 13€7,671 EUR
Retailer 17€7,671 EUR
Retailer 5€7,930 EUR
Retailer 2€8,034 EUR
Retailer 6€8,137 EUR
Retailer 9€8,573 EUR
Retailer 10€10,849 EUR
NZ Jewellers€13,020 EUR

41 data points across 17 retailers

18 retailers€5,889 EUR to €13,020 EUR

Retailer 1
-
€5,827 EUR
$6,510 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
€5,889 EUR
$6,579 USD
View
B
Retailer 3
-
€6,064 EUR
A$10,423 AUD
View
B
Retailer 4
-
€6,096 EUR
$6,810 USD
View
B
Retailer 5
-
€6,509 EUR
$7,272 USD
View
Final sale: no returns
B
Retailer 6
-
€6,510 EUR
$7,273 USD
View
B
Retailer 7
-
€6,934 EUR
$7,747 USD
View
B
Retailer 8
-
€7,052 EUR
$7,879 USD
View
B
Retailer 9
-
€7,161 EUR
$8,000 USD
View
B
Retailer 10
-
€7,204 EUR
£6,338 GBP
View
B
Retailer 11
-
€7,671 EUR
$8,570 USD
View
B
Retailer 12
-
€7,671 EUR
$8,570 USD
View
B
Retailer 13
-
€7,930 EUR
$8,860 USD
View
B
Retailer 14
-
€8,034 EUR
View
B
Retailer 15
-
€8,137 EUR
$9,091 USD
View
Retailer 16
-
€8,573 EUR
$9,578 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
€10,849 EUR
£9,544 GBP
View
Most Expensive
B
NZ Jewellers
1f2e109e-adba-4660-8a7f-e6967a407659 · Oct 30
€13,020 EUR
$14,546 USD
View
17 more retailers have this diamond
Prices start from €5,889 EURSave up to €7,131 EUR

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
€5,889 EUR