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Round|Natural|GIA

4.00ct E SI2 Round Natural Diamond

ID • E/SI2 • GIA 10

Certificate GIA 10

Diamond specifications and retailer prices

From €50,602 EUR
$56,533 USD
As of October 31, 2026
Save €5,509 EUR (10%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €56,111 EUR at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 4ct natural round diamond

This 4ct natural round sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 3 retailers as of October 31, 2026, with a relatively tight 11% 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

4.00
Carat
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishGood
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 10
Dimensions10.11 × 10.16 × 6.30 mm
L/W Ratio1.00
Top View
10.11 mm10.16 mm4.00 ctE / SI2
OriginNatural
CutIdeal
PolishGood
SymmetryGood
FluorescenceMedium
CertificateGIA 10
Side View
Table 59.0%CrownGirdle: Med. - Sli. ThickPavilionCulet: NoneDepth 62.1%

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: €56,111 EUR|Low: €50,602 EUR|High: €56,392 EUR|Avg: €52,368 EUR|-0.5%
Blue Nile
Retailer 2
Retailer 3
October 18, 2026
Retailer 3€50,602 EUR
Retailer 2€50,702 EUR
Blue Nile€56,111 EUR

5 data points across 3 retailers

3 retailers€50,602 EUR to €56,111 EUR

A
Cheapest Retailer
-
€50,602 EUR
$56,533 USD
A
Retailer 2
-
€50,702 EUR
$56,645 USD
View
Most Expensive
B+
Blue Nile
30169006 · Oct 31
€56,111 EUR
$62,687 USD
View
2 more retailers have this diamond
Prices start from €50,602 EURSave up to €5,509 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
4.00ct Round
€50,602 EUR