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1.70ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 5523941027

Certificate GIA 5523941027

Diamond specifications and retailer prices

From €3,436 EUR
SGD 5,187 SGD
As of October 31, 2026
Save €4,300 EUR (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €7,735 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5523941027. Listed at 13 retailers as of October 30, 2026, with prices from €3,436 to €7,735, a €4,300 spread on the same certified stone. NZ Jewellers lists it at €7,735. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5523941027
Dimensions7.59 × 7.54 × 4.74 mm
L/W Ratio1.01
Top View
7.59 mm7.54 mm1.70 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5523941027
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.6%

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 31
Current: €7,735 EUR|Low: €3,436 EUR|High: €7,735 EUR|Avg: €5,307 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7€3,436 EUR
Retailer 5€4,364 EUR
Retailer 9€4,625 EUR
Retailer 10€4,625 EUR
Retailer 8€4,663 EUR
Retailer 3€4,666 EUR
Retailer 2€5,210 EUR
Retailer 11€5,337 EUR
Retailer 6€5,685 EUR
Retailer 4€7,366 EUR
NZ Jewellers€7,735 EUR

42 data points across 11 retailers

13 retailers€3,436 EUR to €7,735 EUR

A
Cheapest Retailer
-
€3,436 EUR
SGD 5,187 SGD
B+
Retailer 2
-
€4,034 EUR
$4,507 USD
View
B+
Retailer 3
-
€4,364 EUR
£3,839 GBP
View
B+
Retailer 4
-
€4,625 EUR
$5,167 USD
View
B+
Retailer 5
-
€4,625 EUR
$5,167 USD
View
Retailer 6
-
€4,663 EUR
A$8,014 AUD
View
Price last confirmed 22 days ago
B+
Retailer 7
-
€4,666 EUR
$5,213 USD
View
B+
Retailer 8
-
€5,210 EUR
View
B
Retailer 9
-
€5,337 EUR
$5,962 USD
View
B+
Retailer 10
-
€5,685 EUR
ZAR 102,610 ZAR
View
B
Retailer 11
-
€6,578 EUR
$7,349 USD
View
B
Retailer 12
-
€7,366 EUR
£6,480 GBP
View
Most Expensive
B
NZ Jewellers
8b3b7e21-679f-4bc6-86a6-94e4990a08ba · Oct 30
€7,735 EUR
$8,642 USD
View
12 more retailers have this diamond
Prices start from €3,436 EURSave up to €4,300 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.

A
1.70ct Round
€3,436 EUR