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Cushion|Natural|GIA

1.51ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 5546300939

Certificate GIA 5546300939

Diamond specifications and retailer prices

From €2,730 EUR
$3,062 USD
As of November 2, 2026
Save €2,570 EUR (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €5,300 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546300939. Listed at 14 retailers as of November 1, 2026, with prices from €2,730 to €5,300, a €2,570 spread on the same certified stone. MOH London lists it at €5,300. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.42°
Pavilion angle31.98°
OriginNatural
Grading LabGIA
CertificateGIA 5546300939
Dimensions6.35 × 6.22 × 4.34 mm
L/W Ratio1.02
Top View
6.35 mm6.22 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546300939
Side View
Table 61.0%Crown 38.42°Girdle: THK-VTKPavilion 31.98°Culet: NoneDepth 69.7%

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 2
Current: €5,300 EUR|Low: €2,730 EUR|High: €6,250 EUR|Avg: €3,683 EUR|-14.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 12€2,730 EUR
Retailer 3€2,739 EUR
Retailer 7€2,964 EUR
Retailer 4€3,046 EUR
Retailer 13€3,114 EUR
Retailer 9€3,150 EUR
Retailer 8€3,290 EUR
Retailer 11€3,290 EUR
Retailer 6€3,344 EUR
Retailer 10€3,397 EUR
Retailer 2€3,524 EUR
Retailer 5€4,620 EUR
MOH London€5,300 EUR

43 data points across 13 retailers

14 retailers€2,730 EUR to €5,300 EUR

A
Cheapest Retailer
-
€2,730 EUR
$3,062 USD
A
Retailer 2
-
€2,739 EUR
$3,072 USD
View
A
Retailer 3
-
€2,964 EUR
CA$4,617 CAD
View
A
Retailer 4
-
€3,046 EUR
$3,416 USD
View
A
Retailer 5
-
€3,114 EUR
$3,493 USD
View
A
Retailer 6
-
€3,150 EUR
$3,533 USD
View
A
Retailer 7
-
€3,290 EUR
$3,690 USD
View
A
Retailer 8
-
€3,290 EUR
$3,690 USD
View
A
Retailer 9
-
€3,344 EUR
£2,953 GBP
View
A
Retailer 10
-
€3,397 EUR
$3,810 USD
View
A
Retailer 11
-
€3,524 EUR
View
A
Retailer 12
-
€3,772 EUR
CA$5,876 CAD
View
Retailer 13
-
€4,620 EUR
$5,182 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
MOH London
CC9B938F1 · Nov 1
€5,300 EUR
£4,681 GBP
View
13 more retailers have this diamond
Prices start from €2,730 EURSave up to €2,570 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
€2,730 EUR