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3.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6235750387

Shape and cutting style on the report: Round brilliant

Certificate GIA 6235750387

Diamond specifications and retailer prices

From €25,275 EUR
$28,237 USD
As of October 31, 2026
Save €25,127 EUR (50%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €50,402 EUR at Carbon Sparkle · As of October 29, 2026
View at Carbon Sparkle

About this 3.5ct natural round diamond

This 3.5ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6235750387. Listed at 10 retailers as of October 29, 2026, with prices from €25,275 to €50,402, a €25,127 spread on the same certified stone. Carbon Sparkle lists it at €50,402. 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

3.50
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6235750387
Dimensions9.60 × 9.65 × 6.06 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
9.60 mm9.65 mm3.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6235750387
Side View
Table 56.0%Crown 35.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.9%

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: €50,402 EUR|Low: €25,275 EUR|High: €53,679 EUR|Avg: €42,423 EUR
Carbon Sparkle
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 2€25,275 EUR
Retailer 6€26,249 EUR
Retailer 5€27,364 EUR
Retailer 4€28,348 EUR
Retailer 3€29,469 EUR
Retailer 8€43,905 EUR
Retailer 7€44,447 EUR
Retailer 9€46,525 EUR
Retailer 10€48,464 EUR
Carbon Sparkle€50,402 EUR

25 data points across 10 retailers

10 retailers€25,275 EUR to €50,402 EUR

A
Cheapest Retailer
-
€25,275 EUR
$28,237 USD
A
Retailer 2
-
€26,249 EUR
$29,325 USD
View
A
Retailer 3
-
€27,364 EUR
$30,571 USD
View
A
Retailer 4
-
€28,348 EUR
$31,671 USD
View
A
Retailer 5
-
€29,469 EUR
$32,923 USD
View
B
Retailer 6
-
€43,905 EUR
View
B
Retailer 7
-
€44,447 EUR
CA$68,967 CAD
View
B
Retailer 8
-
€46,525 EUR
$51,978 USD
View
B
Retailer 9
-
€48,464 EUR
$54,144 USD
View
Most Expensive
B
Carbon Sparkle
903b5c36-1973-4ed3-a788-65674f4aa57c · Oct 29
€50,402 EUR
$56,309 USD
View
9 more retailers have this diamond
Prices start from €25,275 EURSave up to €25,127 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
3.50ct Round
€25,275 EUR