Cushion|Natural|GIA

3.51ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 2557628032

Certificate GIA 2557628032

Diamond specifications and retailer prices

From $52,487 USD
As of November 5, 2026
Save $33,679 USD (39%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $86,166 USD at MOH London · As of November 7, 2026
View at MOH London

About this 3.51ct natural cushion diamond

This 3.51ct natural cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557628032. Listed at 13 retailers as of November 5, 2026, with prices from $52,487 to $86,166, a $33,679 spread on the same certified stone. MOH London lists it at $86,166. 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

3.51
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557628032
Dimensions9.61 × 7.78 × 5.42 mm
L/W Ratio1.24
Culet sizeNone
Top View
9.61 mm7.78 mm3.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557628032
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 69.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $86,166 USD|Low: $53,274 USD|High: $87,673 USD|Avg: $63,046 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 10$53,274 USD
Retailer 7$54,335 USD
Retailer 9$54,335 USD
Retailer 6$55,954 USD
Retailer 2$56,008 USD
Retailer 11$58,863 USD
Retailer 3$62,258 USD
Retailer 8$65,677 USD
Retailer 4$65,925 USD
Retailer 5$66,720 USD
MOH London$86,166 USD

44 data points across 11 retailers

13 retailers$52,487 USD to $86,166 USD

B+
Cheapest Retailer
-
$52,487 USD
B+
Retailer 2
-
$53,274 USD
View
B+
Retailer 3
-
$54,335 USD
View
B+
Retailer 4
-
$54,335 USD
View
B+
Retailer 5
-
$55,954 USD
View
B+
Retailer 6
-
$56,008 USD
View
B+
Retailer 7
-
$58,863 USD
View
B+
Retailer 8
-
$62,258 USD
View
B+
Retailer 9
-
$63,391 USD
View
B+
Retailer 10
-
$65,677 USD
View
B
Retailer 11
-
$65,925 USD
View
B
Retailer 12
-
$66,720 USD
View
Most Expensive
B
MOH London
F8CAE04A5 · Nov 7
$86,166 USD
£67,847 GBP
View
12 more retailers have this diamond
Prices start from $52,487 USDSave up to $33,679 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+
3.51ct Cushion
$52,487 USD