Cushion|Natural|GIA

4.01ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6551217341

Certificate GIA 6551217341

Diamond specifications and retailer prices

From $32,464 USD
As of November 6, 2026
Save $24,512 USD (43%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $56,976 USD at MOH London · As of November 4, 2026
View at MOH London

About this 4.01ct natural cushion diamond

This 4.01ct natural cushion sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551217341. Listed at 21 retailers as of November 4, 2026, with prices from $32,464 to $56,976, a $24,512 spread on the same certified stone. MOH London lists it at $56,976. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551217341
Dimensions10.87 × 8.38 × 5.76 mm
L/W Ratio1.30
Key to symbols
Crystal, Feather, Needle
Top View
10.87 mm8.38 mm4.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551217341
Side View
Table 66.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $56,976 USD|Low: $33,816 USD|High: $57,434 USD|Avg: $40,703 USD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 3$33,816 USD
Retailer 4$35,416 USD
Retailer 8$35,500 USD
Retailer 2$36,494 USD
Retailer 9$36,580 USD
Retailer 5$40,127 USD
Retailer 6$42,810 USD
Retailer 7$45,522 USD
MOH London$56,976 USD

23 data points across 9 retailers

21 retailers$32,464 USD to $56,976 USD

A
Cheapest Retailer
-
$32,464 USD
A
Retailer 2
-
$33,304 USD
View
A
Retailer 3
-
$33,816 USD
View
A
Retailer 4
-
$34,261 USD
View
A
Retailer 5
-
$35,416 USD
View
A
Retailer 6
-
$35,500 USD
View
B+
Retailer 7
-
$36,302 USD
View
A
Retailer 8
-
$36,494 USD
View
Retailer 9
-
$36,580 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$36,808 USD
View
B+
Retailer 11
-
$37,597 USD
View
B+
Retailer 12
-
$38,394 USD
View
B+
Retailer 13
-
$39,116 USD
View
B+
Retailer 14
-
$39,561 USD
View
B+
Retailer 15
-
$40,127 USD
View
B+
Retailer 16
-
$41,083 USD
View
Retailer 17
-
$41,143 USD
View
Price last confirmed 15 days ago
B+
Retailer 18
-
$42,810 USD
View
B+
Retailer 19
-
$43,178 USD
View
B
Retailer 20
-
$45,522 USD
View
Most Expensive
B
MOH London
86EA74769 · Nov 4
$56,976 USD
£44,863 GBP
View
20 more retailers have this diamond
Prices start from $32,464 USDSave up to $24,512 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 Cushion
$32,464 USD