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Round|Natural|GIA

1.70ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2454934135

Certificate GIA 2454934135

Diamond specifications and retailer prices

From €5,415 EUR
$6,050 USD
As of October 31, 2026
Save €6,761 EUR (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €12,176 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.7ct natural round diamond

This 1.7ct 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 2454934135. Listed at 20 retailers as of October 30, 2026, with prices from €5,415 to €12,176, a €6,761 spread on the same certified stone. NZ Jewellers lists it at €12,176. 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

1.70
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2454934135
Dimensions7.62 × 7.58 × 4.79 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.62 mm7.58 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2454934135
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 63.1%

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 31
Current: €12,176 EUR|Low: €5,073 EUR|High: €12,176 EUR|Avg: €7,201 EUR
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 1, 2026
Retailer 13€5,415 EUR
Retailer 10€5,473 EUR
Retailer 14€6,053 EUR
Retailer 3€6,088 EUR
Retailer 11€6,088 EUR
Retailer 7€6,139 EUR
Retailer 5€6,595 EUR
Retailer 12€6,697 EUR
Retailer 8€6,821 EUR
Retailer 15€6,966 EUR
Retailer 9€7,533 EUR
Retailer 4€7,610 EUR
Retailer 6€8,019 EUR
Retailer 2€10,146 EUR
NZ Jewellers€12,176 EUR

40 data points across 15 retailers

20 retailers€5,415 EUR to €12,176 EUR

B
Cheapest Retailer
-
€5,415 EUR
$6,050 USD
Retailer 2
-
€5,473 EUR
$6,115 USD
View
Price last confirmed 7 days ago
B
Retailer 3
-
€5,499 EUR
$6,143 USD
View
B+
Retailer 4
-
€5,661 EUR
A$9,730 AUD
View
B+
Retailer 5
-
€5,753 EUR
$6,427 USD
View
B
Retailer 6
-
€6,053 EUR
CA$9,393 CAD
View
B
Retailer 7
-
€6,088 EUR
$6,802 USD
View
B
Retailer 8
-
€6,088 EUR
$6,802 USD
View
Final sale: no returns
B
Retailer 9
-
€6,595 EUR
$7,368 USD
View
B
Retailer 10
-
€6,697 EUR
$7,482 USD
View
B
Retailer 11
-
€6,821 EUR
£6,001 GBP
View
B
Retailer 12
-
€6,966 EUR
$7,782 USD
View
B
Retailer 13
-
€7,286 EUR
$8,140 USD
View
B
Retailer 14
-
€7,286 EUR
$8,140 USD
View
B
Retailer 15
-
€7,528 EUR
$8,410 USD
View
B
Retailer 16
-
€7,533 EUR
View
B
Retailer 17
-
€7,610 EUR
$8,502 USD
View
Retailer 18
-
€8,019 EUR
$8,959 USD
View
Price last confirmed 9 days ago
B
Retailer 19
-
€10,146 EUR
£8,925 GBP
View
Most Expensive
B
NZ Jewellers
1772f783-3abb-4080-beaa-237e39d46ab9 · Oct 30
€12,176 EUR
$13,603 USD
View
19 more retailers have this diamond
Prices start from €5,415 EURSave up to €6,761 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+
1.70ct Round
€5,415 EUR