Round|Natural|GIA

5.15ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 3205247575

Certificate GIA 3205247575

Diamond specifications and retailer prices

From €62,831 EUR
$70,195 USD
As of October 30, 2026
Save €19,772 EUR (24%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €82,603 EUR at Yorxs · As of October 30, 2026
View at Yorxs

About this 5.15ct natural round diamond

This 5.15ct natural round sits in the over five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3205247575. Listed at 7 retailers as of October 30, 2026, with prices from €62,831 to €82,603, a €19,772 spread on the same certified stone. Yorxs lists it at €82,603. 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

5.15
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 3205247575
Dimensions11.02 × 11.09 × 6.92 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
11.02 mm11.09 mm5.15 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3205247575
Side View
Table 56.0%Crown 32.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.6%

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: €75,262 EUR|Low: €62,244 EUR|High: €85,565 EUR|Avg: €72,218 EUR|-3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
October 30, 2026
Retailer 3€62,831 EUR
Retailer 2€68,468 EUR
Retailer 5€72,064 EUR
Retailer 6€72,064 EUR
Retailer 4€74,463 EUR
Retailer 1€75,262 EUR
Yorxs€82,603 EUR

35 data points across 7 retailers

7 retailers€62,831 EUR to €82,603 EUR

B+
Cheapest Retailer
-
€62,831 EUR
$70,195 USD
B+
Retailer 2
-
€68,468 EUR
$76,493 USD
View
Final sale: no returns
B
Retailer 3
-
€72,064 EUR
$80,510 USD
View
B
Retailer 4
-
€72,064 EUR
$80,510 USD
View
B
Retailer 5
-
€74,463 EUR
$83,190 USD
View
B+
Retailer 6
-
€75,262 EUR
£66,207 GBP
View
Most Expensive
B
Yorxs
900-10-33244 · Oct 30
€82,603 EUR
View
6 more retailers have this diamond
Prices start from €62,831 EURSave up to €19,772 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+
5.15ct Round
€62,831 EUR