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Round|Natural|GIA

4.01ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6561077969

Certificate GIA 6561077969

Diamond specifications and retailer prices

From $33,264 USD
As of November 6, 2026
Save $19,090 USD (36%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $52,354 USD at MOH London · As of November 4, 2026
View at MOH London

About this 4.01ct natural round diamond

This 4.01ct 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 6561077969. Listed at 11 retailers as of November 4, 2026, with prices from $33,264 to $52,354, a $19,090 spread on the same certified stone. MOH London lists it at $52,354. 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

4.01
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6561077969
Dimensions10.02 × 10.06 × 6.34 mm
L/W Ratio1.00
Star length55%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Indented Natural, Needle, Knot
Top View
10.02 mm10.06 mm4.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561077969
Side View
Table 57.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 63.2%

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 6
Current: $52,354 USD|Low: $33,264 USD|High: $53,128 USD|Avg: $39,695 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$33,264 USD
Retailer 2$34,750 USD
Retailer 9$35,013 USD
Retailer 6$36,000 USD
Retailer 3$37,102 USD
Retailer 8$37,581 USD
Retailer 11$38,648 USD
Retailer 10$40,194 USD
Retailer 7$41,740 USD
Retailer 4$41,830 USD
MOH London$52,354 USD

29 data points across 11 retailers

11 retailers$33,264 USD to $52,354 USD

A
Cheapest Retailer
-
$33,264 USD
A
Retailer 2
-
$34,750 USD
View
B+
Retailer 3
-
$35,013 USD
View
A
Retailer 4
-
$36,000 USD
View
Retailer 5
-
$37,102 USD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$37,581 USD
View
B+
Retailer 7
-
$38,648 USD
View
B+
Retailer 8
-
$40,194 USD
View
B+
Retailer 9
-
$41,740 USD
View
B+
Retailer 10
-
$41,830 USD
View
Most Expensive
B
MOH London
EB686C502 · Nov 4
$52,354 USD
£41,224 GBP
View
10 more retailers have this diamond
Prices start from $33,264 USDSave up to $19,090 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.

A
4.01ct Round
$33,264 USD