Round|Natural|GIA

3.40ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2554492806

Certificate GIA 2554492806

Diamond specifications and retailer prices

From €30,901 EUR
£27,184 GBP
As of November 1, 2026
Save €2,294 EUR (7%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €33,195 EUR at Adiamor · As of October 31, 2026
View at Adiamor

About this 3.4ct natural round diamond

This 3.4ct 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 2554492806. Listed at 3 retailers as of October 31, 2026, with a relatively tight 7% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

3.40
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2554492806
Dimensions9.66 × 9.61 × 5.96 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
9.66 mm9.61 mm3.40 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554492806
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: €33,195 EUR|Low: €30,013 EUR|High: €33,467 EUR|Avg: €31,764 EUR|+3.6%
Adiamor
Retailer 2
Retailer 3
November 1, 2026
Retailer 2€30,901 EUR
Retailer 3€31,239 EUR
Adiamor€33,195 EUR

23 data points across 3 retailers

3 retailers€30,901 EUR to €33,195 EUR

B+
Cheapest Retailer
-
€30,901 EUR
£27,184 GBP
B+
Retailer 2
-
€31,239 EUR
$34,900 USD
View
Most Expensive
B+
Adiamor
D-81192306 · Oct 31
€33,195 EUR
$37,086 USD
View
2 more retailers have this diamond
Prices start from €30,901 EURSave up to €2,294 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+
3.40ct Round
€30,901 EUR