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Cushion|Natural|GIA

3.11ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 2557313921

Certificate GIA 2557313921

Diamond specifications and retailer prices

From $34,614 CAD
As of November 6, 2026
Save $19,096 CAD (36%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $53,709 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 3.11ct natural cushion diamond

This 3.11ct natural cushion sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557313921. Listed at 8 retailers as of November 2, 2026, with prices from $34,614 to $53,709, a $19,096 spread on the same certified stone. MOH London lists it at $53,709. 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

3.11
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557313921
Dimensions9.76 × 7.56 × 5.09 mm
L/W Ratio1.29
Key to symbols
Crystal, Feather
Top View
9.76 mm7.56 mm3.11 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557313921
Side View
Table 64.0%CrownGirdlePavilionCulet: NoneDepth 67.3%

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 6
Current: $53,709 CAD|Low: $34,265 CAD|High: $54,356 CAD|Avg: $39,883 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$34,265 CAD
Retailer 4$34,614 CAD
Retailer 6$35,213 CAD
Retailer 5$36,377 CAD
Retailer 7$36,937 CAD
Retailer 2$41,489 CAD
Retailer 3$44,273 CAD
MOH London$53,709 CAD

45 data points across 8 retailers

8 retailers$34,614 CAD to $53,709 CAD

Retailer 1
-
$34,265 CAD
Price last confirmed 11 days ago
B+
Retailer 2
-
$34,614 CAD
View
Retailer 3
-
$35,213 CAD
View
Price last confirmed 33 days ago
B+
Retailer 4
-
$36,377 CAD
View
Final sale: no returns
B+
Retailer 5
-
$36,937 CAD
View
B
Retailer 6
-
$41,489 CAD
View
B
Retailer 7
-
$44,273 CAD
View
Most Expensive
B
MOH London
20E309C75 · Nov 2
$53,709 CAD
£30,066 GBP
View
7 more retailers have this diamond
Prices start from $34,614 CADSave up to $19,096 CAD

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+
3.11ct Cushion
$34,614 CAD