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Round|Natural|GIA

3.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6552698078

Certificate GIA 6552698078

Diamond specifications and retailer prices

From €30,456 EUR
$34,160 USD
As of October 31, 2026
Save €20,363 EUR (40%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €50,819 EUR at MOH London · As of November 2, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552698078. Listed at 10 retailers as of October 31, 2026, with prices from €30,456 to €50,819, a €20,363 spread on the same certified stone. MOH London lists it at €50,819. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552698078
Dimensions9.60 × 9.66 × 6.05 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Needle
Top View
9.60 mm9.66 mm3.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552698078
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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: €50,819 EUR|Low: €30,456 EUR|High: €52,474 EUR|Avg: €38,061 EUR|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8€30,456 EUR
Retailer 6€32,475 EUR
Retailer 10€32,604 EUR
Retailer 9€33,895 EUR
Retailer 7€34,834 EUR
Retailer 4€37,414 EUR
Retailer 5€38,910 EUR
Retailer 2€39,502 EUR
Retailer 3€45,052 EUR
MOH London€50,819 EUR

35 data points across 10 retailers

10 retailers€30,456 EUR to €50,819 EUR

A
Cheapest Retailer
-
€30,456 EUR
$34,160 USD
B+
Retailer 2
-
€32,475 EUR
$36,424 USD
View
Retailer 3
-
€32,604 EUR
A$56,260 AUD
View
Price last confirmed 29 days ago
B+
Retailer 4
-
€33,895 EUR
$38,017 USD
View
B+
Retailer 5
-
€34,834 EUR
$39,070 USD
View
B
Retailer 6
-
€37,414 EUR
$41,964 USD
View
B
Retailer 7
-
€38,910 EUR
$43,642 USD
View
B
Retailer 8
-
€39,502 EUR
£34,887 GBP
View
B
Retailer 9
-
€45,052 EUR
$50,530 USD
View
Most Expensive
B
MOH London
9BC1B674E · Nov 2
€50,819 EUR
£44,881 GBP
View
9 more retailers have this diamond
Prices start from €30,456 EURSave up to €20,363 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
€30,456 EUR