Round|Natural|GIA

4.04ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6227409748

Certificate GIA 6227409748

Diamond specifications and retailer prices

From $35,983 USD
As of November 4, 2026
Save $19,788 USD (35%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $55,771 USD at MOH London · As of November 4, 2026
View at MOH London

About this 4.04ct natural round diamond

This 4.04ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6227409748. Listed at 5 retailers as of November 4, 2026, with prices from $35,983 to $55,771, a $19,788 spread on the same certified stone. MOH London lists it at $55,771. 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

4.04
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6227409748
Dimensions10.28 × 10.33 × 6.24 mm
L/W Ratio1.00
Culet sizeVery Small
Top View
10.28 mm10.33 mm4.04 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6227409748
Side View
Table 57.0%Crown 34°Girdle: ThinPavilion 41°Culet: Very SmallDepth 60.5%

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: Nov 4
Current: $55,771 USD|Low: $35,983 USD|High: $56,219 USD|Avg: $43,041 USD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$35,983 USD
Retailer 5$37,298 USD
Retailer 3$38,335 USD
Retailer 2$44,559 USD
MOH London$55,771 USD

7 data points across 5 retailers

5 retailers$35,983 USD to $55,771 USD

B+
Cheapest Retailer
-
$35,983 USD
B+
Retailer 2
-
$37,298 USD
View
B+
Retailer 3
-
$38,335 USD
View
B+
Retailer 4
-
$44,559 USD
View
Most Expensive
B
MOH London
E073003A1 · Nov 4
$55,771 USD
£43,914 GBP
View
4 more retailers have this diamond
Prices start from $35,983 USDSave up to $19,788 USD

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+
4.04ct Round
$35,983 USD