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Round|Natural|GIA

4.00ct I SI1 Round Natural Diamond

VG • I/SI1 • GIA 2504665069

Certificate GIA 2504665069

Diamond specifications and retailer prices

From €42,187 EUR
$47,132 USD
As of October 31, 2026
Save €22,930 EUR (35%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €65,117 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 4ct natural round diamond

This 4ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2504665069. Listed at 6 retailers as of October 31, 2026, with prices from €42,187 to €65,117, a €22,930 spread on the same certified stone. MOH London lists it at €65,117. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.00
Carat
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2504665069
Dimensions9.77 × 9.90 × 6.35 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
9.77 mm9.90 mm4.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2504665069
Side View
Table 59.0%Crown 37.5°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 64.6%

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 31
Current: €65,117 EUR|Low: €37,415 EUR|High: €65,902 EUR|Avg: €47,473 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3€42,187 EUR
Retailer 4€42,637 EUR
Retailer 5€43,432 EUR
Retailer 6€44,374 EUR
Retailer 2€49,524 EUR
MOH London€65,117 EUR

27 data points across 6 retailers

6 retailers€42,187 EUR to €65,117 EUR

B+
Cheapest Retailer
-
€42,187 EUR
$47,132 USD
Final sale: no returns
B+
Retailer 2
-
€42,637 EUR
$47,634 USD
View
B+
Retailer 3
-
€43,432 EUR
$48,522 USD
View
B+
Retailer 4
-
€44,374 EUR
$49,575 USD
View
B+
Retailer 5
-
€49,524 EUR
View
Most Expensive
B
MOH London
027D95258 · Nov 1
€65,117 EUR
£57,283 GBP
View
5 more retailers have this diamond
Prices start from €42,187 EURSave up to €22,930 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+
4.00ct Round
€42,187 EUR