CaratHunter
Plans
Round|Natural|GIA

4.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 5231250367

Certificate GIA 5231250367

Diamond specifications and retailer prices

From €53,367 EUR
$59,622 USD
As of October 30, 2026
Save €38,602 EUR (42%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €91,969 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 5231250367. Listed at 13 retailers as of October 30, 2026, with prices from €53,367 to €91,969, a €38,602 spread on the same certified stone. MOH London lists it at €91,969. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5231250367
Dimensions10.24 × 10.17 × 6.16 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
10.24 mm10.17 mm4.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231250367
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.4%

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 30
Current: €91,969 EUR|Low: €53,367 EUR|High: €93,077 EUR|Avg: €67,681 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 5€53,367 EUR
Retailer 7€55,862 EUR
Retailer 6€56,964 EUR
Retailer 4€58,056 EUR
Retailer 2€71,135 EUR
Retailer 3€73,796 EUR
MOH London€91,969 EUR

40 data points across 7 retailers

13 retailers€53,367 EUR to €91,969 EUR

B+
Cheapest Retailer
-
€53,367 EUR
$59,622 USD
Retailer 2
-
€55,862 EUR
A$96,015 AUD
View
Price last confirmed 28 days ago
B
Retailer 3
-
€56,964 EUR
$63,640 USD
View
B+
Retailer 4
-
€58,056 EUR
£51,071 GBP
View
B
Retailer 5
-
€58,888 EUR
$65,790 USD
View
B
Retailer 6
-
€59,733 EUR
$66,734 USD
View
B
Retailer 7
-
€61,341 EUR
$68,531 USD
View
B
Retailer 8
-
€61,341 EUR
$68,531 USD
View
B
Retailer 9
-
€63,795 EUR
$71,272 USD
View
B
Retailer 10
-
€66,249 EUR
$74,014 USD
View
B
Retailer 11
-
€71,135 EUR
View
B
Retailer 12
-
€73,796 EUR
ZAR 1,331,913 ZAR
View
Most Expensive
B
MOH London
A7ECBE6E4 · Nov 1
€91,969 EUR
£80,904 GBP
View
12 more retailers have this diamond
Prices start from €53,367 EURSave up to €38,602 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
€53,367 EUR