Round|Natural|GIA

3.42ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6147842518

Certificate GIA 6147842518

Diamond specifications and retailer prices

From €18,520 EUR
$20,772 USD
As of November 2, 2026
Save €6,409 EUR (26%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €24,929 EUR at Yorxs · As of November 1, 2026
View at Yorxs

About this 3.42ct natural round diamond

This 3.42ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6147842518. Listed at 4 retailers as of November 1, 2026, with prices from €18,520 to €24,929, a €6,409 spread on the same certified stone. Yorxs lists it at €24,929. 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

3.42
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6147842518
Dimensions9.63 × 9.71 × 5.87 mm
L/W Ratio1.01
Top View
9.63 mm9.71 mm3.42 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6147842518
Side View
Table 62.0%CrownGirdle: MED-STKPavilionCulet: Very SmallDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €19,311 EUR|Low: €18,520 EUR|High: €25,105 EUR|Avg: €20,533 EUR|-0.4%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 2, 2026
Retailer 2€18,520 EUR
Retailer 1€19,311 EUR
Retailer 3€19,627 EUR
Yorxs€24,929 EUR

21 data points across 4 retailers

4 retailers€18,520 EUR to €24,929 EUR

A
Cheapest Retailer
-
€18,520 EUR
$20,772 USD
A
Retailer 2
-
€19,311 EUR
₹2,062,747 INR
View
B+
Retailer 3
-
€19,627 EUR
$22,014 USD
View
Most Expensive
B+
Yorxs
784-518 · Nov 1
€24,929 EUR
View
3 more retailers have this diamond
Prices start from €18,520 EURSave up to €6,409 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
3.42ct Round
€18,520 EUR