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Round|Natural|GIA

4.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1182031705

Certificate GIA 1182031705

Diamond specifications and retailer prices

From €36,121 EUR
$40,355 USD
As of November 1, 2026
Save €29,382 EUR (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €65,504 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 top-tier cut grade and certified by GIA 1182031705. Listed at 11 retailers as of November 1, 2026, with prices from €36,121 to €65,504, a €29,382 spread on the same certified stone. MOH London lists it at €65,504. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1182031705
Dimensions10.18 × 10.16 × 6.29 mm
L/W Ratio1.00
Culet sizeNone
Top View
10.18 mm10.16 mm4.00 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1182031705
Side View
Table 57.0%Crown 35°Girdle: THN-THKPavilion 41°Culet: NoneDepth 61.8%

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: Nov 1
Current: €65,504 EUR|Low: €36,121 EUR|High: €68,853 EUR|Avg: €44,442 EUR|-4.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5€36,121 EUR
Retailer 10€37,886 EUR
Retailer 11€38,304 EUR
Retailer 9€38,417 EUR
Retailer 8€40,161 EUR
Retailer 4€41,961 EUR
Retailer 3€43,591 EUR
Retailer 6€43,591 EUR
Retailer 7€45,041 EUR
Retailer 2€49,108 EUR
MOH London€65,504 EUR

40 data points across 11 retailers

11 retailers€36,121 EUR to €65,504 EUR

A
Cheapest Retailer
-
€36,121 EUR
$40,355 USD
A
Retailer 2
-
€37,886 EUR
$42,327 USD
View
A
Retailer 3
-
€38,304 EUR
$42,793 USD
View
A
Retailer 4
-
€38,417 EUR
$42,920 USD
View
Retailer 5
-
€40,161 EUR
A$69,027 AUD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
€41,961 EUR
£36,913 GBP
View
B+
Retailer 7
-
€43,591 EUR
$48,700 USD
View
B+
Retailer 8
-
€43,591 EUR
$48,700 USD
View
B+
Retailer 9
-
€45,041 EUR
$50,320 USD
View
B+
Retailer 10
-
€49,108 EUR
View
Most Expensive
B
MOH London
AE8168CD0 · Nov 1
€65,504 EUR
£57,623 GBP
View
10 more retailers have this diamond
Prices start from €36,121 EURSave up to €29,382 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
€36,121 EUR