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Cushion|Natural|GIA

1.51ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 2235954416

Certificate GIA 2235954416

Diamond specifications and retailer prices

From €3,026 EUR
As of November 5, 2026
Save €3,524 EUR (54%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €6,551 EUR at MOH London · As of November 4, 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 H 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 2235954416. Listed at 10 retailers as of November 4, 2026, with prices from €3,026 to €6,551, a €3,524 spread on the same certified stone. MOH London lists it at €6,551. 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

1.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.88°
OriginNatural
Grading LabGIA
CertificateGIA 2235954416
Dimensions7.56 × 5.91 × 4.06 mm
L/W Ratio1.28
Key to symbols
Cloud, Needle
Top View
7.56 mm5.91 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235954416
Side View
Table 65.0%CrownGirdle: STK-VTKPavilion 35.88°Culet: NoneDepth 68.7%

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 5
Current: €6,551 EUR|Low: €3,026 EUR|High: €7,163 EUR|Avg: €4,438 EUR|-8.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5€3,026 EUR
Retailer 7€3,534 EUR
Retailer 8€3,692 EUR
Retailer 4€3,846 EUR
Retailer 2€3,864 EUR
Retailer 6€4,389 EUR
Retailer 9€4,516 EUR
Retailer 3€4,748 EUR
MOH London€6,551 EUR

34 data points across 9 retailers

10 retailers€3,026 EUR to €6,551 EUR

A
Cheapest Retailer
-
€3,026 EUR
A
Retailer 2
-
€3,534 EUR
View
Price last confirmed 3 days ago
A
Retailer 3
-
€3,692 EUR
View
A
Retailer 4
-
€3,846 EUR
View
A
Retailer 5
-
€3,864 EUR
View
B+
Retailer 6
-
€4,389 EUR
View
B+
Retailer 7
-
€4,516 EUR
View
Final sale: no returns
B+
Retailer 8
-
€4,562 EUR
View
B+
Retailer 9
-
€4,748 EUR
View
Most Expensive
B
MOH London
0C16BD85B · Nov 4
€6,551 EUR
£5,759 GBP
View
9 more retailers have this diamond
Prices start from €3,026 EURSave up to €3,524 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.

A
1.51ct Cushion
€3,026 EUR