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Cushion|Natural|IGI

1.51ct I SI2 Cushion Natural Diamond

VG • I/SI2 • IGI 729536826

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 729536826

Diamond specifications and retailer prices

From €3,571 EUR
$3,989 USD
As of November 1, 2026
Save €2,951 EUR (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €6,522 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 729536826. Listed at 11 retailers as of November 1, 2026, with prices from €3,571 to €6,522, a €2,951 spread on the same certified stone. MOH London lists it at €6,522. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
I
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 729536826
Dimensions10.88 × 6.05 × 3.91 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Top View
10.88 mm6.05 mm1.51 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 729536826
Side View
Table 63.0%Crown 37.5°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 64.6%

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 1
Current: €6,522 EUR|Low: €2,441 EUR|High: €7,621 EUR|Avg: €4,511 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 4€2,441 EUR
Retailer 9€3,571 EUR
Retailer 12€3,616 EUR
Retailer 11€3,649 EUR
Retailer 10€3,779 EUR
Retailer 2€3,994 EUR
Retailer 6€4,062 EUR
Retailer 7€4,095 EUR
Retailer 8€4,229 EUR
Retailer 5€4,634 EUR
MOH London€6,522 EUR
Retailer 3€7,621 EUR

12 data points across 12 retailers

11 retailers€3,571 EUR to €6,522 EUR

B+
Cheapest Retailer
-
€3,571 EUR
$3,989 USD
B+
Retailer 2
-
€3,616 EUR
$4,040 USD
View
B+
Retailer 3
-
€3,649 EUR
$4,077 USD
View
B+
Retailer 4
-
€3,779 EUR
$4,222 USD
View
Final sale: no returns
B+
Retailer 5
-
€3,994 EUR
£3,514 GBP
View
B+
Retailer 6
-
€4,062 EUR
$4,538 USD
View
B+
Retailer 7
-
€4,095 EUR
$4,575 USD
View
B+
Retailer 8
-
€4,095 EUR
$4,575 USD
View
B+
Retailer 9
-
€4,229 EUR
$4,724 USD
View
B+
Retailer 10
-
€4,634 EUR
View
Most Expensive
B
MOH London
B4A56073B · Nov 1
€6,522 EUR
£5,737 GBP
View
10 more retailers have this diamond
Prices start from €3,571 EURSave up to €2,951 EUR

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+
1.51ct Cushion
€3,571 EUR