CaratHunter
Plans
Round|Natural|GIA

1.70ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2517960321

Certificate GIA 2517960321

Diamond specifications and retailer prices

From €4,731 EUR
$5,286 USD
As of October 30, 2026
Save €5,573 EUR (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €10,304 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 2517960321. Listed at 19 retailers as of October 30, 2026, with prices from €4,731 to €10,304, a €5,573 spread on the same certified stone. NZ Jewellers lists it at €10,304. 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
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2517960321
Dimensions7.58 × 7.53 × 4.74 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.58 mm7.53 mm1.70 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2517960321
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.0%

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 30
Current: €6,338 EUR|Low: €4,466 EUR|High: €9,186 EUR|Avg: €6,375 EUR|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5€4,868 EUR
Retailer 6€5,151 EUR
Retailer 8€5,582 EUR
Retailer 3€5,870 EUR
Retailer 7€6,042 EUR
Retailer 1€6,338 EUR
Retailer 4€7,570 EUR
Retailer 2€9,077 EUR

44 data points across 8 retailers

19 retailers€4,731 EUR to €10,304 EUR

B+
Cheapest Retailer
-
€4,731 EUR
$5,286 USD
B+
Retailer 2
-
€4,868 EUR
$5,439 USD
View
B+
Retailer 3
-
€5,060 EUR
A$8,696 AUD
View
B
Retailer 4
-
€5,151 EUR
$5,755 USD
View
Final sale: no returns
B+
Retailer 5
-
€5,196 EUR
$5,805 USD
View
B+
Retailer 6
-
€5,582 EUR
$6,236 USD
View
B+
Retailer 7
-
€5,582 EUR
$6,236 USD
View
B+
Retailer 8
-
€5,582 EUR
$6,236 USD
View
B+
Retailer 9
-
€5,870 EUR
£5,163 GBP
View
Retailer 10
-
€6,042 EUR
A$10,385 AUD
View
Price last confirmed 28 days ago
B
Retailer 11
-
€6,111 EUR
$6,827 USD
View
B
Retailer 12
-
€6,113 EUR
$6,830 USD
View
B
Retailer 13
-
€6,113 EUR
$6,830 USD
View
B
Retailer 14
-
€6,310 EUR
$7,050 USD
View
B
Retailer 15
-
€6,338 EUR
View
B
Retailer 16
-
€6,440 EUR
$7,195 USD
View
B
Retailer 17
-
€7,570 EUR
ZAR 136,625 ZAR
View
B
Retailer 18
-
€9,077 EUR
£7,985 GBP
View
Most Expensive
B
NZ Jewellers
c2d63e4c-e352-4a00-a185-0b26b6856e65 · Oct 30
€10,304 EUR
$11,512 USD
View
18 more retailers have this diamond
Prices start from €4,731 EURSave up to €5,573 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
€4,731 EUR